blobs-poc

feat(revit): add roomId and spaceId parameters (#1181 )
* add roomId and spaceId parameters * clean up
2025-11-13 10:08:21 +03:00 · 2025-11-11 10:30:27 +03:00 · 2025-11-10 13:52:43 +00:00 · 2025-11-10 13:48:30 +00:00 · 2025-11-10 12:53:55 +00:00 · 2025-11-10 12:49:39 +00:00
268 changed files with 5128 additions and 8893 deletions
@@ -1,29 +1,11 @@
-name: .NET Build
+name: .NET Test

-on: pull_request
+on:
+  pull_request: {}
+  push:
+    branches: ["main"]

 jobs:
-  build:
-    runs-on: windows-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v5
-        with:
-          fetch-depth: 0
-
-      - name: Setup .NET
-        uses: actions/setup-dotnet@v5
-        with:
-          dotnet-version: 8.0.4xx # Align with global.json (including roll forward rules)
-
-      - name: Cache Nuget
-        uses: actions/cache@v4
-        with:
-          path: ~/.nuget/packages
-          key: ${{ runner.os }}-nuget-${{ hashFiles('**/packages.lock.json') }}
-
-      - name: ⚒️ Run build
-        run: ./build.ps1 test
  test:
    runs-on: ubuntu-latest
    steps:
@@ -43,14 +25,18 @@ jobs:
          path: ~/.nuget/packages
          key: ${{ runner.os }}-nuget-${{ hashFiles('**/packages.lock.json') }}

-      - name: ⚒️ Run Build on Linux
-        run: ./build.sh build-linux
-
-      - name: ⚒️ Run tests
-        run: ./build.sh test-only
+      - name: ⚒️ Run Test
+        run: ./build.sh test-and-pack

      - name: Upload coverage reports to Codecov with GitHub Action
        uses: codecov/codecov-action@v5
        with:
          files: Converters/**/coverage.xml
          token: ${{ secrets.CODECOV_TOKEN }}
+
+      # Disabling this code for now, since we no longer need to publish nugets from this repo
+      # But keeping it around incase we ever need in the future.
+      # Ideally, I'd also like to move the nuget token to be an environment secret, and to have tight package scopes
+#      - name: Push to nuget.org
+#        if: ${{ inputs.deployNugets }}
+#        run: dotnet nuget push output/*.nupkg --source "https://api.nuget.org/v3/index.json" --api-key ${{ secrets.CONNECTORS_NUGET_TOKEN }}
@@ -6,8 +6,8 @@ on:
    tags: ["v3.*.*"] # Manual delivery on every 3.x tag

 jobs:
-  build-windows:
-    runs-on: windows-latest
+  build-connectors:
+    runs-on: windows-latest # Keeping on windows for now, for cross platform building of exe projects, we need to use dotnet publish
    env:
      SEMVER: "unset"
      FILE_VERSION: "unset"
@@ -31,11 +31,11 @@ jobs:
          path: ~/.nuget/packages
          key: ${{ runner.os }}-nuget-${{ hashFiles('**/packages.lock.json') }}

-      - name: ⚒️ Run build on Windows
+      - name: ⚒️ Run build and zip connectors
        run: ./build.ps1 zip

      - name: ⬆️ Upload artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
        with:
          name: output-${{ env.SEMVER }}
          path: output/*.*
@@ -48,10 +48,10 @@ jobs:
        run: |
          echo "semver=${{ env.SEMVER }}" >> "$Env:GITHUB_OUTPUT"
          echo "file_version=${{ env.FILE_VERSION }}" >> "$Env:GITHUB_OUTPUT"
-
+          
  deploy-installers:
    runs-on: ubuntu-latest
-    needs: build-windows
+    needs: build-connectors
    env:
      IS_PUBLIC_RELEASE: ${{ github.ref_type == 'tag' }}
    steps:
@@ -63,8 +63,8 @@ jobs:
          token: ${{ secrets.CONNECTORS_GH_TOKEN }}
          inputs: '{
            "run_id": "${{ github.run_id }}",
-            "semver": "${{ needs.build-windows.outputs.semver }}",
-            "file_version": "${{ needs.build-windows.outputs.file_version }}",
+            "semver": "${{ needs.build-connectors.outputs.semver }}",
+            "file_version": "${{ needs.build-connectors.outputs.file_version }}",
            "repo": "${{ github.repository }}",
            "is_public_release": ${{ env.IS_PUBLIC_RELEASE }}
            }'
@@ -74,42 +74,8 @@ jobs:
          wait-for-completion-timeout: 10m
          display-workflow-run-url: true
          display-workflow-run-url-interval: 10s
-
+      
+      # Allows us to inspect the artifacts of failed builds, since this below step will be skipped if the above step fails
      - uses: geekyeggo/delete-artifact@v5
        with:
          name: output-*
-
-  build-linux:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v5
-        with:
-          fetch-depth: 0
-
-      - name: Setup .NET
-        uses: actions/setup-dotnet@v5
-        with:
-          dotnet-version: 8.0.4xx # Align with global.json (including roll forward rules)
-
-      - name: Cache Nuget
-        uses: actions/cache@v4
-        with:
-          path: ~/.nuget/packages
-          key: ${{ runner.os }}-nuget-${{ hashFiles('**/packages.lock.json') }}
-
-      - name: ⚒️ Run tests on Linux
-        run: ./build.sh test-only
-
-      - name: ⚒️ Run Build and Pack on Linux
-        run: ./build.sh build-linux
-
-      - name: Upload coverage reports to Codecov with GitHub Action
-        uses: codecov/codecov-action@v5
-        with:
-          files: Converters/**/coverage.xml
-          token: ${{ secrets.CODECOV_TOKEN }}
-
-      - name: Push to nuget.org
-        if: (github.ref_type == 'tag')
-        run: dotnet nuget push output/*.nupkg --source "https://api.nuget.org/v3/index.json" --api-key ${{secrets.CONNECTORS_NUGET_TOKEN }} --skip-duplicate
@@ -7,9 +7,9 @@ using static SimpleExec.Command;
 const string CLEAN = "clean";
 const string RESTORE = "restore";
 const string BUILD = "build";
-const string BUILD_LINUX = "build-linux";
+const string PACK = "pack";
+const string TEST_AFFECTED = "test-affected";
 const string TEST = "test";
-const string TEST_ONLY = "test-only";
 const string FORMAT = "format";
 const string ZIP = "zip";
 const string RESTORE_TOOLS = "restore-tools";
@@ -19,6 +19,7 @@ const string GEN_SOLUTIONS = "generate-solutions";
 const string DEEP_CLEAN = "deep-clean";
 const string DEEP_CLEAN_LOCAL = "deep-clean-local";
 const string DETECT_AFFECTED = "detect-affected";
+const string TEST_AND_PACK = "test-and-pack";

 //need to pass arguments
 /*var arguments = new List<string>();
@@ -150,7 +151,7 @@ Target(

 Target(
  RESTORE,
-  DependsOn(FORMAT, DETECT_AFFECTED),
+  DependsOn(FORMAT),
  Consts.Solutions,
  async s =>
  {
@@ -181,8 +182,8 @@ Target(CHECK_SOLUTIONS, Solutions.CompareConnectorsToLocal);
 Target(GEN_SOLUTIONS, Solutions.GenerateSolutions);

 Target(
-  TEST,
-  DependsOn(BUILD, CHECK_SOLUTIONS),
+  TEST_AFFECTED,
+  DependsOn(DETECT_AFFECTED, BUILD, CHECK_SOLUTIONS),
  async () =>
  {
    foreach (var s in await Affected.GetTestProjects())
@@ -192,14 +193,12 @@ Target(
  }
 );

-//all tests on purpose
 Target(
-  TEST_ONLY,
-  DependsOn(FORMAT),
+  TEST,
+  DependsOn(BUILD, CHECK_SOLUTIONS),
  Glob.Files(".", "**/*.Tests.csproj"),
  file =>
  {
-    Run("dotnet", $"build \"{file}\" -c Release --no-incremental");
    Run(
      "dotnet",
      $"test \"{file}\" -c Release --no-build --verbosity=minimal /p:AltCover=true /p:AltCoverAttributeFilter=ExcludeFromCodeCoverage /p:AltCoverVerbosity=Warning"
@@ -207,31 +206,28 @@ Target(
  }
 );

+Target(TEST_AND_PACK, DependsOn(TEST, PACK));
+
 Target(
-  BUILD_LINUX,
-  DependsOn(FORMAT),
-  Glob.Files(".", "**/Speckle.Importers.Ifc.csproj"),
-  async file =>
+  PACK,
+  DependsOn(BUILD),
+  Consts.Solutions,
+  async solution =>
  {
-    await RunAsync("dotnet", $"restore \"{file}\" --locked-mode");
    var version = await Versions.ComputeVersion();
    var fileVersion = await Versions.ComputeFileVersion();
    Console.WriteLine($"Version: {version} & {fileVersion}");
-    await RunAsync(
-      "dotnet",
-      $"build \"{file}\" -c Release --no-restore -warnaserror -p:Version={version} -p:FileVersion={fileVersion} -v:m"
-    );

    await RunAsync(
      "dotnet",
-      $"pack \"{file}\" -c Release -o output --no-build -p:Version={version} -p:FileVersion={fileVersion} -v:m"
+      $"pack \"{solution}\" -c Release -o output --no-build -p:Version={version} -p:FileVersion={fileVersion} -v:m"
    );
  }
 );

 Target(
  ZIP,
-  DependsOn(TEST),
+  DependsOn(TEST_AFFECTED),
  async () =>
  {
    var version = await Versions.ComputeVersion();
@@ -282,6 +278,6 @@ Target(
  }
 );

-Target("default", DependsOn(TEST), () => Console.WriteLine("Done!"));
+Target("default", DependsOn(TEST_AFFECTED), () => Console.WriteLine("Done!"));

 await RunTargetsAndExitAsync(args).ConfigureAwait(true);
@@ -16,12 +16,12 @@
      },
      "Microsoft.Build": {
        "type": "Direct",
-        "requested": "[17.11.4, )",
-        "resolved": "17.11.4",
-        "contentHash": "UMC7DfeFEHY2GGHHaghybUuUlLaByFHEFudR2PehMgDBuRuLAUePp1iaa4eFtVzepRzMtIbeSCVJCzzX3NV2Gg==",
+        "requested": "[17.11.48, )",
+        "resolved": "17.11.48",
+        "contentHash": "g8Kn575mNAKcuFotV3C7xvF+IbxuHennl67LH2shL2au1U6UqwReTDygCHyU04+koc2Yn7fHIbVQaC08HqEWow==",
        "dependencies": {
-          "Microsoft.Build.Framework": "17.11.4",
-          "Microsoft.NET.StringTools": "17.11.4",
+          "Microsoft.Build.Framework": "17.11.48",
+          "Microsoft.NET.StringTools": "17.11.48",
          "System.Collections.Immutable": "8.0.0",
          "System.Configuration.ConfigurationManager": "8.0.0",
          "System.Reflection.Metadata": "8.0.0",
@@ -82,8 +82,8 @@
      },
      "Microsoft.Build.Framework": {
        "type": "Transitive",
-        "resolved": "17.11.4",
-        "contentHash": "u28uDihlqxtt8h2dL1ZJOZ7TRkxBK+HGr+3FgQpILVo7Q7gErkw8mYW9R+RM5PtxvZTdYb/4MWDL66vdIsANBQ=="
+        "resolved": "17.11.48",
+        "contentHash": "C3WIMt2wBl4++NX3jSEpTq5KXBhvAV154R4JrYHkfy9JSBcXWiL0mkgpspk5xSdOj+fS/uz7zluIy6bMM1fkkQ=="
      },
      "Microsoft.Build.Tasks.Git": {
        "type": "Transitive",
@@ -97,8 +97,8 @@
      },
      "Microsoft.NET.StringTools": {
        "type": "Transitive",
-        "resolved": "17.11.4",
-        "contentHash": "mudqUHhNpeqIdJoUx2YDWZO/I9uEDYVowan89R6wsomfnUJQk6HteoQTlNjZDixhT2B4IXMkMtgZtoceIjLRmA=="
+        "resolved": "17.11.48",
+        "contentHash": "0IQo089IGBEC4jgtishauZMVr9ZxOWNiGKeDvyzZlvw7p2r253lJh6IJCLLFWXvZnVrVO5mnsYIPamxFPzM08w=="
      },
      "Microsoft.NETFramework.ReferenceAssemblies.net461": {
        "type": "Transitive",
@@ -259,9 +259,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -292,9 +292,32 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -333,38 +356,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -259,9 +259,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -292,9 +292,32 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -333,38 +356,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -259,9 +259,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -293,9 +293,32 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -334,38 +357,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -210,9 +210,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -244,9 +244,30 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -285,36 +306,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    },
    "net8.0-windows7.0/win-x64": {
@@ -210,9 +210,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -244,9 +244,30 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -285,36 +306,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    },
    "net8.0-windows7.0/win-x64": {
@@ -0,0 +1,296 @@
+using Autodesk.AutoCAD.DatabaseServices;
+using Speckle.Connectors.Autocad.HostApp;
+using Speckle.Connectors.Autocad.HostApp.Extensions;
+using Speckle.Connectors.Common.Builders;
+using Speckle.Connectors.Common.Conversion;
+using Speckle.Connectors.Common.Extensions;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.Common.Operations.Receive;
+using Speckle.Converters.Common;
+using Speckle.Sdk.Common;
+using Speckle.Sdk.Dependencies;
+using Speckle.Sdk.Models;
+using Speckle.Sdk.Models.Collections;
+using Speckle.Sdk.Models.Instances;
+using AutocadColor = Autodesk.AutoCAD.Colors.Color;
+
+namespace Speckle.Connectors.Autocad.Operations.Receive;
+
+/// <summary>
+/// <para>Base class for AutoCAD host object builders. Expects to be a scoped dependency per receive operation.</para>
+/// </summary>
+public abstract class AutocadHostObjectBaseBuilder : IHostObjectBuilder
+{
+  private readonly IRootToHostConverter _converter;
+  private readonly AutocadLayerBaker _layerBaker;
+  private readonly AutocadGroupBaker _groupBaker;
+  private readonly AutocadInstanceBaker _instanceBaker;
+  private readonly IAutocadMaterialBaker _materialBaker;
+  private readonly IAutocadColorBaker _colorBaker;
+  private readonly AutocadContext _autocadContext;
+  private readonly RootObjectUnpacker _rootObjectUnpacker;
+  private readonly IReceiveConversionHandler _conversionHandler;
+
+  protected AutocadHostObjectBaseBuilder(
+    IRootToHostConverter converter,
+    AutocadLayerBaker layerBaker,
+    AutocadGroupBaker groupBaker,
+    AutocadInstanceBaker instanceBaker,
+    IAutocadMaterialBaker materialBaker,
+    IAutocadColorBaker colorBaker,
+    AutocadContext autocadContext,
+    RootObjectUnpacker rootObjectUnpacker,
+    IReceiveConversionHandler conversionHandler
+  )
+  {
+    _converter = converter;
+    _layerBaker = layerBaker;
+    _groupBaker = groupBaker;
+    _instanceBaker = instanceBaker;
+    _materialBaker = materialBaker;
+    _colorBaker = colorBaker;
+    _autocadContext = autocadContext;
+    _rootObjectUnpacker = rootObjectUnpacker;
+    _conversionHandler = conversionHandler;
+  }
+
+  public Task<HostObjectBuilderResult> Build(
+    Base rootObject,
+    string projectName,
+    string modelName,
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken
+  )
+  {
+    // Prompt the UI conversion started. Progress bar will swoosh.
+    onOperationProgressed.Report(new("Converting", null));
+
+    // Layer filter for received commit with project and model name
+    _layerBaker.CreateLayerFilter(projectName, modelName);
+
+    // 0 - Clean then Rock n Roll!
+    string baseLayerPrefix = _autocadContext.RemoveInvalidChars($"SPK-{projectName}-{modelName}-");
+    PreReceiveDeepClean(baseLayerPrefix);
+
+    // 1 - Unpack objects and proxies from root commit object
+    var unpackedRoot = _rootObjectUnpacker.Unpack(rootObject);
+
+    // 2 - Split atomic objects and instance components with their path
+    var (atomicObjects, instanceComponents) = _rootObjectUnpacker.SplitAtomicObjectsAndInstances(
+      unpackedRoot.ObjectsToConvert
+    );
+    var atomicObjectsWithPath = _layerBaker.GetAtomicObjectsWithPath(atomicObjects);
+    var instanceComponentsWithPath = _layerBaker.GetInstanceComponentsWithPath(instanceComponents);
+
+    // POC: these are not captured by traversal, so we need to re-add them here
+    if (unpackedRoot.DefinitionProxies != null && unpackedRoot.DefinitionProxies.Count > 0)
+    {
+      var transformed = unpackedRoot.DefinitionProxies.Select(proxy =>
+        (Array.Empty<Collection>(), proxy as IInstanceComponent)
+      );
+      instanceComponentsWithPath.AddRange(transformed);
+    }
+
+    // 3 - Parse and bake proxies (materials and colors), as they are used later down the line by layers and objects
+    if (unpackedRoot.RenderMaterialProxies != null)
+    {
+      _materialBaker.ParseAndBakeRenderMaterials(
+        unpackedRoot.RenderMaterialProxies,
+        baseLayerPrefix,
+        onOperationProgressed
+      );
+    }
+
+    if (unpackedRoot.ColorProxies != null)
+    {
+      _colorBaker.ParseColors(unpackedRoot.ColorProxies, onOperationProgressed);
+    }
+
+    // 3.5 - Parse and bake additional proxies that are needed for conversion
+    ParseAndBakeAdditionalProxies(rootObject, baseLayerPrefix);
+
+    // 4 - Convert atomic objects
+    HashSet<ReceiveConversionResult> results = new();
+    HashSet<string> bakedObjectIds = new();
+    Dictionary<string, IReadOnlyCollection<Entity>> applicationIdMap = new();
+    var count = 0;
+    foreach (var (layerPath, atomicObject) in atomicObjectsWithPath)
+    {
+      onOperationProgressed.Report(new("Converting objects", (double)++count / atomicObjects.Count));
+      var ex = _conversionHandler.TryConvert(() =>
+      {
+        cancellationToken.ThrowIfCancellationRequested();
+        string objectId = atomicObject.applicationId ?? atomicObject.id.NotNull();
+        IReadOnlyCollection<Entity> convertedObjects = ConvertObject(atomicObject, layerPath, baseLayerPrefix);
+
+        applicationIdMap[objectId] = convertedObjects;
+
+        results.UnionWith(
+          convertedObjects.Select(e => new ReceiveConversionResult(
+            Status.SUCCESS,
+            atomicObject,
+            e.GetSpeckleApplicationId(),
+            e.GetType().ToString()
+          ))
+        );
+
+        bakedObjectIds.UnionWith(convertedObjects.Select(e => e.GetSpeckleApplicationId()));
+      });
+      if (ex != null)
+      {
+        results.Add(new(Status.ERROR, atomicObject, null, null, ex));
+      }
+    }
+
+    // 5 - Convert instances
+    var (createdInstanceIds, consumedObjectIds, instanceConversionResults) = _instanceBaker.BakeInstances(
+      instanceComponentsWithPath,
+      applicationIdMap,
+      baseLayerPrefix,
+      onOperationProgressed
+    );
+
+    bakedObjectIds.RemoveWhere(id => consumedObjectIds.Contains(id));
+    bakedObjectIds.UnionWith(createdInstanceIds);
+    results.RemoveWhere(result => result.ResultId != null && consumedObjectIds.Contains(result.ResultId));
+    results.UnionWith(instanceConversionResults);
+
+    // 6 - Create groups
+    if (unpackedRoot.GroupProxies != null)
+    {
+      IReadOnlyCollection<ReceiveConversionResult> groupResults = _groupBaker.CreateGroups(
+        unpackedRoot.GroupProxies,
+        applicationIdMap
+      );
+      results.UnionWith(groupResults);
+    }
+
+    return Task.FromResult(new HostObjectBuilderResult(bakedObjectIds, results));
+  }
+
+  protected void PreReceiveDeepClean(string baseLayerPrefix)
+  {
+    _layerBaker.DeleteAllLayersByPrefix(baseLayerPrefix);
+    _instanceBaker.PurgeInstances(baseLayerPrefix);
+    _materialBaker.PurgeMaterials(baseLayerPrefix);
+    PreReceiveAdditionalDeepClean(baseLayerPrefix);
+  }
+
+  /// <summary>
+  /// Method for adding app-specific additional deep clean of the document prior to receiving.
+  /// </summary>
+  protected virtual void PreReceiveAdditionalDeepClean(string baseLayerPrefix) { }
+
+  /// <summary>
+  /// Method for parsing and baking additional app-specific proxies on the root prior to converting and baking objects
+  /// </summary>
+  protected virtual void ParseAndBakeAdditionalProxies(Base rootObject, string baseLayerPrefix) { }
+
+  private IReadOnlyCollection<Entity> ConvertObject(Base obj, Collection[] layerPath, string baseLayerNamePrefix)
+  {
+    string layerName = _layerBaker.CreateLayerForReceive(layerPath, baseLayerNamePrefix);
+    var convertedEntities = new HashSet<Entity>();
+
+    using var tr = Application.DocumentManager.CurrentDocument.Database.TransactionManager.StartTransaction();
+
+    // 1: convert
+    var converted = _converter.Convert(obj);
+
+    // 2: handle result
+    switch (converted)
+    {
+      case Entity entity:
+        var bakedEntity = BakeObject(entity, obj, layerName, tr);
+        convertedEntities.Add(bakedEntity);
+        break;
+
+      case List<(Entity, Base)> listConversionResult: // this is from fallback conversion for brep/brepx/subdx/extrusionx/polycurve
+        var bakedFallbackEntities = BakeObjectsAsGroup(listConversionResult, obj, layerName, baseLayerNamePrefix, tr);
+        convertedEntities.UnionWith(bakedFallbackEntities);
+        break;
+
+      default:
+        // TODO: capture defualt case with report object here? Same as in Rhino
+        break;
+    }
+
+    tr.Commit();
+    return convertedEntities.Freeze();
+  }
+
+  private Entity BakeObject(
+    Entity entity,
+    Base originalObject,
+    string layerName,
+    Transaction tr,
+    Base? parentObject = null
+  )
+  {
+    var objId = originalObject.applicationId ?? originalObject.id.NotNull();
+    if (_colorBaker.ObjectColorsIdMap.TryGetValue(objId, out AutocadColor? color))
+    {
+      entity.Color = color;
+    }
+
+    if (_materialBaker.TryGetMaterialId(originalObject, parentObject, out ObjectId matId))
+    {
+      entity.MaterialId = matId;
+    }
+
+    entity.AppendToDb(layerName);
+
+    // Hook for derived classes to perform additional operations after entity is added to database
+    PostBakeEntity(entity, originalObject, tr);
+
+    return entity;
+  }
+
+  /// <summary>
+  /// Method for additional app-specific operations on entities after the entity has been added to the document database.
+  /// Called after the entity is added to the database in an open transaction
+  /// </summary>
+  /// <param name="entity"></param>
+  /// <param name="originalObject"></param>
+  /// <param name="tr"></param>
+  protected virtual void PostBakeEntity(Entity entity, Base originalObject, Transaction tr)
+  {
+    // Default implementation does nothing - override in derived classes
+  }
+
+  private List<Entity> BakeObjectsAsGroup(
+    List<(Entity, Base)> fallbackConversionResult,
+    Base parentObject,
+    string layerName,
+    string baseLayerName,
+    Transaction tr
+  )
+  {
+    var ids = new ObjectIdCollection();
+    var entities = new List<Entity>();
+    foreach (var (conversionResult, originalObject) in fallbackConversionResult)
+    {
+      BakeObject(conversionResult, originalObject, layerName, tr, parentObject);
+      ids.Add(conversionResult.ObjectId);
+      entities.Add(conversionResult);
+    }
+
+    if (entities.Count <= 1) // return if empty list or only one, because we don't want to create empty or single item groups.
+    {
+      return entities;
+    }
+    var groupDictionary = (DBDictionary)
+      tr.GetObject(Application.DocumentManager.CurrentDocument.Database.GroupDictionaryId, OpenMode.ForWrite);
+
+    var groupName = _autocadContext.RemoveInvalidChars(
+      $@"{parentObject.speckle_type.Split('.').Last()} - {parentObject.applicationId ?? parentObject.id}  ({baseLayerName})"
+    );
+
+    var newGroup = new Group(groupName, true);
+    newGroup.Append(ids);
+    groupDictionary.UpgradeOpen();
+    groupDictionary.SetAt(groupName, newGroup);
+    tr.AddNewlyCreatedDBObject(newGroup, true);
+
+    return entities;
+  }
+}
@@ -1,238 +1,35 @@
-using Autodesk.AutoCAD.DatabaseServices;
 using Speckle.Connectors.Autocad.HostApp;
-using Speckle.Connectors.Autocad.HostApp.Extensions;
-using Speckle.Connectors.Common.Builders;
-using Speckle.Connectors.Common.Conversion;
-using Speckle.Connectors.Common.Extensions;
 using Speckle.Connectors.Common.Operations;
 using Speckle.Connectors.Common.Operations.Receive;
 using Speckle.Converters.Common;
-using Speckle.Sdk.Common;
-using Speckle.Sdk.Dependencies;
-using Speckle.Sdk.Models;
-using Speckle.Sdk.Models.Collections;
-using Speckle.Sdk.Models.Instances;
-using AutocadColor = Autodesk.AutoCAD.Colors.Color;

 namespace Speckle.Connectors.Autocad.Operations.Receive;

 /// <summary>
-/// <para>Expects to be a scoped dependency per receive operation.</para>
+/// <para>AutoCAD-specific host object builder. Expects to be a scoped dependency per receive operation.</para>
 /// </summary>
-public class AutocadHostObjectBuilder(
-  IRootToHostConverter converter,
-  AutocadLayerBaker layerBaker,
-  AutocadGroupBaker groupBaker,
-  AutocadInstanceBaker instanceBaker,
-  IAutocadMaterialBaker materialBaker,
-  IAutocadColorBaker colorBaker,
-  AutocadContext autocadContext,
-  RootObjectUnpacker rootObjectUnpacker,
-  IReceiveConversionHandler conversionHandler
-) : IHostObjectBuilder
+public sealed class AutocadHostObjectBuilder : AutocadHostObjectBaseBuilder
 {
-  public Task<HostObjectBuilderResult> Build(
-    Base rootObject,
-    string projectName,
-    string modelName,
-    IProgress<CardProgress> onOperationProgressed,
-    CancellationToken cancellationToken
+  public AutocadHostObjectBuilder(
+    IRootToHostConverter converter,
+    AutocadLayerBaker layerBaker,
+    AutocadGroupBaker groupBaker,
+    AutocadInstanceBaker instanceBaker,
+    IAutocadMaterialBaker materialBaker,
+    IAutocadColorBaker colorBaker,
+    AutocadContext autocadContext,
+    RootObjectUnpacker rootObjectUnpacker,
+    IReceiveConversionHandler conversionHandler
  )
-  {
-    // Prompt the UI conversion started. Progress bar will swoosh.
-    onOperationProgressed.Report(new("Converting", null));
-
-    // Layer filter for received commit with project and model name
-    layerBaker.CreateLayerFilter(projectName, modelName);
-
-    // 0 - Clean then Rock n Roll!
-    string baseLayerPrefix = autocadContext.RemoveInvalidChars($"SPK-{projectName}-{modelName}-");
-    PreReceiveDeepClean(baseLayerPrefix);
-
-    // 1 - Unpack objects and proxies from root commit object
-    var unpackedRoot = rootObjectUnpacker.Unpack(rootObject);
-
-    // 2 - Split atomic objects and instance components with their path
-    var (atomicObjects, instanceComponents) = rootObjectUnpacker.SplitAtomicObjectsAndInstances(
-      unpackedRoot.ObjectsToConvert
-    );
-    var atomicObjectsWithPath = layerBaker.GetAtomicObjectsWithPath(atomicObjects);
-    var instanceComponentsWithPath = layerBaker.GetInstanceComponentsWithPath(instanceComponents);
-
-    // POC: these are not captured by traversal, so we need to re-add them here
-    if (unpackedRoot.DefinitionProxies != null && unpackedRoot.DefinitionProxies.Count > 0)
-    {
-      var transformed = unpackedRoot.DefinitionProxies.Select(proxy =>
-        (Array.Empty<Collection>(), proxy as IInstanceComponent)
-      );
-      instanceComponentsWithPath.AddRange(transformed);
-    }
-
-    // 3 - Bake materials and colors, as they are used later down the line by layers and objects
-    if (unpackedRoot.RenderMaterialProxies != null)
-    {
-      materialBaker.ParseAndBakeRenderMaterials(
-        unpackedRoot.RenderMaterialProxies,
-        baseLayerPrefix,
-        onOperationProgressed
-      );
-    }
-
-    if (unpackedRoot.ColorProxies != null)
-    {
-      colorBaker.ParseColors(unpackedRoot.ColorProxies, onOperationProgressed);
-    }
-
-    // 4 - Convert atomic objects
-    HashSet<ReceiveConversionResult> results = new();
-    HashSet<string> bakedObjectIds = new();
-    Dictionary<string, IReadOnlyCollection<Entity>> applicationIdMap = new();
-    var count = 0;
-    foreach (var (layerPath, atomicObject) in atomicObjectsWithPath)
-    {
-      onOperationProgressed.Report(new("Converting objects", (double)++count / atomicObjects.Count));
-      var ex = conversionHandler.TryConvert(() =>
-      {
-        cancellationToken.ThrowIfCancellationRequested();
-        string objectId = atomicObject.applicationId ?? atomicObject.id.NotNull();
-        IReadOnlyCollection<Entity> convertedObjects = ConvertObject(atomicObject, layerPath, baseLayerPrefix);
-
-        applicationIdMap[objectId] = convertedObjects;
-
-        results.UnionWith(
-          convertedObjects.Select(e => new ReceiveConversionResult(
-            Status.SUCCESS,
-            atomicObject,
-            e.GetSpeckleApplicationId(),
-            e.GetType().ToString()
-          ))
-        );
-
-        bakedObjectIds.UnionWith(convertedObjects.Select(e => e.GetSpeckleApplicationId()));
-      });
-      if (ex != null)
-      {
-        results.Add(new(Status.ERROR, atomicObject, null, null, ex));
-      }
-    }
-
-    // 5 - Convert instances
-    var (createdInstanceIds, consumedObjectIds, instanceConversionResults) = instanceBaker.BakeInstances(
-      instanceComponentsWithPath,
-      applicationIdMap,
-      baseLayerPrefix,
-      onOperationProgressed
-    );
-
-    bakedObjectIds.RemoveWhere(id => consumedObjectIds.Contains(id));
-    bakedObjectIds.UnionWith(createdInstanceIds);
-    results.RemoveWhere(result => result.ResultId != null && consumedObjectIds.Contains(result.ResultId));
-    results.UnionWith(instanceConversionResults);
-
-    // 6 - Create groups
-    if (unpackedRoot.GroupProxies != null)
-    {
-      IReadOnlyCollection<ReceiveConversionResult> groupResults = groupBaker.CreateGroups(
-        unpackedRoot.GroupProxies,
-        applicationIdMap
-      );
-      results.UnionWith(groupResults);
-    }
-
-    return Task.FromResult(new HostObjectBuilderResult(bakedObjectIds, results));
-  }
-
-  private void PreReceiveDeepClean(string baseLayerPrefix)
-  {
-    layerBaker.DeleteAllLayersByPrefix(baseLayerPrefix);
-    instanceBaker.PurgeInstances(baseLayerPrefix);
-    materialBaker.PurgeMaterials(baseLayerPrefix);
-  }
-
-  private IReadOnlyCollection<Entity> ConvertObject(Base obj, Collection[] layerPath, string baseLayerNamePrefix)
-  {
-    string layerName = layerBaker.CreateLayerForReceive(layerPath, baseLayerNamePrefix);
-    var convertedEntities = new HashSet<Entity>();
-
-    using var tr = Application.DocumentManager.CurrentDocument.Database.TransactionManager.StartTransaction();
-
-    // 1: convert
-    var converted = converter.Convert(obj);
-
-    // 2: handle result
-    switch (converted)
-    {
-      case Entity entity:
-        var bakedEntity = BakeObject(entity, obj, layerName);
-        convertedEntities.Add(bakedEntity);
-        break;
-
-      case List<(Entity, Base)> listConversionResult: // this is from fallback conversion for brep/brepx/subdx/extrusionx/polycurve
-        var bakedFallbackEntities = BakeObjectsAsGroup(listConversionResult, obj, layerName, baseLayerNamePrefix);
-        convertedEntities.UnionWith(bakedFallbackEntities);
-        break;
-
-      default:
-        // TODO: capture defualt case with report object here? Same as in Rhino
-        break;
-    }
-
-    tr.Commit();
-    return convertedEntities.Freeze();
-  }
-
-  private Entity BakeObject(Entity entity, Base originalObject, string layerName, Base? parentObject = null)
-  {
-    var objId = originalObject.applicationId ?? originalObject.id.NotNull();
-    if (colorBaker.ObjectColorsIdMap.TryGetValue(objId, out AutocadColor? color))
-    {
-      entity.Color = color;
-    }
-
-    if (materialBaker.TryGetMaterialId(originalObject, parentObject, out ObjectId matId))
-    {
-      entity.MaterialId = matId;
-    }
-
-    entity.AppendToDb(layerName);
-    return entity;
-  }
-
-  private List<Entity> BakeObjectsAsGroup(
-    List<(Entity, Base)> fallbackConversionResult,
-    Base parentObject,
-    string layerName,
-    string baseLayerName
-  )
-  {
-    var ids = new ObjectIdCollection();
-    var entities = new List<Entity>();
-    foreach (var (conversionResult, originalObject) in fallbackConversionResult)
-    {
-      BakeObject(conversionResult, originalObject, layerName, parentObject);
-      ids.Add(conversionResult.ObjectId);
-      entities.Add(conversionResult);
-    }
-
-    if (entities.Count <= 1) // return if empty list or only one, because we don't want to create empty or single item groups.
-    {
-      return entities;
-    }
-
-    var tr = Application.DocumentManager.CurrentDocument.Database.TransactionManager.TopTransaction;
-    var groupDictionary = (DBDictionary)
-      tr.GetObject(Application.DocumentManager.CurrentDocument.Database.GroupDictionaryId, OpenMode.ForWrite);
-
-    var groupName = autocadContext.RemoveInvalidChars(
-      $@"{parentObject.speckle_type.Split('.').Last()} - {parentObject.applicationId ?? parentObject.id}  ({baseLayerName})"
-    );
-
-    var newGroup = new Group(groupName, true);
-    newGroup.Append(ids);
-    groupDictionary.UpgradeOpen();
-    groupDictionary.SetAt(groupName, newGroup);
-    tr.AddNewlyCreatedDBObject(newGroup, true);
-
-    return entities;
-  }
+    : base(
+      converter,
+      layerBaker,
+      groupBaker,
+      instanceBaker,
+      materialBaker,
+      colorBaker,
+      autocadContext,
+      rootObjectUnpacker,
+      conversionHandler
+    ) { }
 }
@@ -38,6 +38,7 @@
    <Compile Include="$(MSBuildThisFileDirectory)HostApp\Extensions\EntityExtensions.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)HostApp\Extensions\SpeckleApplicationIdExtensions.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)HostApp\TransactionContext.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Operations\Receive\AutocadHostObjectBaseBuilder.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Operations\Receive\AutocadHostObjectBuilder.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\AutocadRootObject.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\AutocadRootObjectBaseBuilder.cs" />
@@ -268,9 +268,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -302,9 +302,32 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -343,38 +366,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -268,9 +268,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -302,9 +302,32 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -343,38 +366,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -268,9 +268,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -302,9 +302,32 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -343,38 +366,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -219,9 +219,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -254,9 +254,30 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -295,36 +316,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    },
    "net8.0-windows7.0/win-x64": {
@@ -219,9 +219,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -254,9 +254,30 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -295,36 +316,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    },
    "net8.0-windows7.0/win-x64": {
@@ -3,6 +3,8 @@ using Microsoft.Extensions.DependencyInjection;
 using Speckle.Connectors.Autocad.DependencyInjection;
 using Speckle.Connectors.Autocad.Operations.Send;
 using Speckle.Connectors.Civil3dShared.Bindings;
+using Speckle.Connectors.Civil3dShared.HostApp;
+using Speckle.Connectors.Civil3dShared.Operations.Receive;
 using Speckle.Connectors.Civil3dShared.Operations.Send;
 using Speckle.Connectors.Common.Builders;
 using Speckle.Connectors.DUI.Bindings;
@@ -24,10 +26,12 @@ public static class Civil3dConnectorModule

    // add receive
    serviceCollection.LoadReceive();
+    serviceCollection.AddScoped<IHostObjectBuilder, Civil3dHostObjectBuilder>();
    serviceCollection.AddSingleton<IBinding, Civil3dReceiveBinding>();

    // additional classes
    serviceCollection.AddScoped<PropertySetDefinitionHandler>();
+    serviceCollection.AddScoped<PropertySetBaker>();

    // automatically detects the Class:IClass interface pattern to register all generated interfaces
    serviceCollection.AddMatchingInterfacesAsTransient(Assembly.GetExecutingAssembly());
@@ -0,0 +1,404 @@
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Converters.Civil3dShared;
+using Speckle.Converters.Civil3dShared.Helpers;
+using Speckle.Converters.Civil3dShared.ToSpeckle;
+using Speckle.Converters.Common;
+using Speckle.Sdk;
+using Speckle.Sdk.Models;
+using AAEC = Autodesk.Aec;
+using AAECPDB = Autodesk.Aec.PropertyData.DatabaseServices;
+using ADB = Autodesk.AutoCAD.DatabaseServices;
+
+namespace Speckle.Connectors.Civil3dShared.HostApp;
+
+/// <summary>
+/// Helper class to bake property sets to entities on receive.
+/// </summary>
+public class PropertySetBaker
+{
+  private const string PROP_SET_DEF_DICT_NAME = "AecPropertySetDefs";
+  private readonly IConverterSettingsStore<Civil3dConversionSettings> _settingsStore;
+  private readonly ILogger<PropertySetBaker> _logger;
+  private readonly PropertyHandler _propertyHandler;
+
+  /// <summary>
+  /// Map of property set definition name to its ObjectId. Populated during ParsePropertySetDefinitions.
+  /// </summary>
+  private readonly Dictionary<string, ADB.ObjectId> _propertySetDefinitionMap = new();
+
+  public PropertySetBaker(
+    IConverterSettingsStore<Civil3dConversionSettings> settingsStore,
+    ILogger<PropertySetBaker> logger
+  )
+  {
+    _settingsStore = settingsStore;
+    _logger = logger;
+    _propertyHandler = new PropertyHandler();
+  }
+
+  /// <summary>
+  /// Removes all property set definitions with a prefix before receive operation.
+  /// </summary>
+  public void PurgePropertySets(string namePrefix)
+  {
+    ADB.Database db = _settingsStore.Current.Document.Database;
+    using var tr = db.TransactionManager.StartTransaction();
+
+    List<ADB.ObjectId> definitionsToDelete = new();
+
+    // Access the property set definition dictionary from the named object dictionary
+    var nod = (ADB.DBDictionary)tr.GetObject(db.NamedObjectsDictionaryId, ADB.OpenMode.ForRead);
+
+    if (nod.Contains(PROP_SET_DEF_DICT_NAME))
+    {
+      ADB.ObjectId propSetDefsDictId = nod.GetAt(PROP_SET_DEF_DICT_NAME);
+      var propSetDefsDict = (ADB.DBDictionary)tr.GetObject(propSetDefsDictId, ADB.OpenMode.ForRead);
+
+      // Iterate through all property set definitions in the dictionary
+      foreach (ADB.DBDictionaryEntry entry in propSetDefsDict)
+      {
+        if (entry.Key.Contains(namePrefix))
+        {
+          definitionsToDelete.Add(entry.Value);
+        }
+      }
+    }
+
+    // Delete the matching definitions
+    foreach (ADB.ObjectId defId in definitionsToDelete)
+    {
+      try
+      {
+        var propSetDef = (AAECPDB.PropertySetDefinition)tr.GetObject(defId, ADB.OpenMode.ForWrite);
+        propSetDef.Erase();
+      }
+      catch (Exception ex) when (!ex.IsFatal())
+      {
+        _logger.LogWarning(ex, "Failed to purge property set definition");
+      }
+    }
+
+    tr.Commit();
+  }
+
+  /// <summary>
+  /// Parse and bake all property set definitions from the root object.
+  /// Should be called after purging and after materials/colors are parsed.
+  /// </summary>
+  public void ParseAndBakePropertySetDefinitions(Base rootObject, string namePrefix)
+  {
+    _propertySetDefinitionMap.Clear();
+
+    if (rootObject[ProxyKeys.PROPERTYSET_DEFINITIONS] is not Dictionary<string, object?> definitions)
+    {
+      return;
+    }
+
+    if (definitions.Count == 0)
+    {
+      return;
+    }
+
+    using var tr = _settingsStore.Current.Document.Database.TransactionManager.StartTransaction();
+
+    foreach (var definition in definitions)
+    {
+      string setName = definition.Key;
+      object? setDefObj = definition.Value;
+
+      if (setDefObj is not Dictionary<string, object?> setDefData)
+      {
+        _logger.LogWarning("Property set definition {SetName} has invalid data format", setName);
+        continue;
+      }
+
+      if (!setDefData.TryGetValue(PropertySetDefinitionHandler.PROP_SET_PROP_DEFS_KEY, out var propDefsObj))
+      {
+        _logger.LogWarning("Property set definition {SetName} missing propertyDefinitions", setName);
+        continue;
+      }
+
+      if (propDefsObj is not Dictionary<string, object?> propertyDefinitions)
+      {
+        _logger.LogWarning("Property set definition {SetName} propertyDefinitions has invalid format", setName);
+        continue;
+      }
+
+      ADB.ObjectId defId = CreatePropertySetDefinition(setName, propertyDefinitions, namePrefix, tr);
+      if (!defId.IsNull)
+      {
+        _propertySetDefinitionMap[setName] = defId;
+      }
+    }
+
+    tr.Commit();
+  }
+
+  /// <summary>
+  /// Try to bake property sets from a Speckle object to a Civil3D entity.
+  /// </summary>
+  public bool TryBakePropertySets(ADB.Entity entity, Base sourceObject, ADB.Transaction tr)
+  {
+    if (
+      sourceObject["properties"] is not Dictionary<string, object?> properties
+      || !properties.TryGetValue("Property Sets", out var propertySetsObj)
+      || propertySetsObj is not Dictionary<string, object?> propertySets
+      || propertySets.Count == 0
+    )
+    {
+      return false;
+    }
+
+    try
+    {
+      foreach (var propertySet in propertySets)
+      {
+        string setName = propertySet.Key;
+        object? setDataObj = propertySet.Value;
+
+        if (setDataObj is not Dictionary<string, object?> setData)
+        {
+          _logger.LogWarning("Property set {SetName} has invalid data format", setName);
+          continue;
+        }
+
+        if (!TryBakePropertySet(entity, setName, setData, tr))
+        {
+          _logger.LogWarning("Failed to bake property set {SetName} onto entity", setName);
+        }
+      }
+
+      return true;
+    }
+    catch (Exception ex) when (!ex.IsFatal())
+    {
+      _logger.LogError(ex, "Failed to bake property sets onto entity {Handle}", entity.Handle);
+      return false;
+    }
+  }
+
+  private bool TryBakePropertySet(
+    ADB.Entity entity,
+    string setName,
+    Dictionary<string, object?> setData,
+    ADB.Transaction tr
+  )
+  {
+    try
+    {
+      if (!_propertySetDefinitionMap.TryGetValue(setName, out ADB.ObjectId propertySetDefId))
+      {
+        _logger.LogWarning("Property set definition {SetName} not found in definition map", setName);
+        return false;
+      }
+
+      if (propertySetDefId.IsNull)
+      {
+        return false;
+      }
+
+      if (ObjectHasPropertySet(entity, propertySetDefId))
+      {
+        throw new SpeckleException($"Property set '{setName}' already exists on entity.");
+      }
+
+      return AddPropertySetToEntity(entity, propertySetDefId, setData, tr);
+    }
+    catch (Exception ex) when (!ex.IsFatal())
+    {
+      _logger.LogWarning(ex, "Failed to process property set {SetName}", setName);
+      return false;
+    }
+  }
+
+  private ADB.ObjectId CreatePropertySetDefinition(
+    string setName,
+    Dictionary<string, object?> propertyDefinitions,
+    string namePrefix,
+    ADB.Transaction tr
+  )
+  {
+    var db = _settingsStore.Current.Document.Database;
+    using AAECPDB.DictionaryPropertySetDefinitions propSetDefs = new(db);
+
+    string prefixedName = $"{setName}-{namePrefix}";
+
+    AAECPDB.PropertySetDefinition propSetDef = new();
+    propSetDef.SetToStandard(db);
+    propSetDef.SubSetDatabaseDefaults(db);
+    //propSetDef.Description = "Property Set Definition added by Speckle"; // POC: should use the description that was published. can this back in if needed
+    propSetDef.AppliesToAll = true;
+
+    foreach (var propertyDefinition in propertyDefinitions)
+    {
+      string propertyName = propertyDefinition.Key;
+      object? propertyDefObj = propertyDefinition.Value;
+
+      if (propertyDefObj is not Dictionary<string, object?> propertyDefDict)
+      {
+        continue;
+      }
+
+      if (
+        !propertyDefDict.TryGetValue(PropertySetDefinitionHandler.PROP_DEF_TYPE_KEY, out var dataTypeStr)
+        || dataTypeStr is not string dataTypeString
+      )
+      {
+        _logger.LogError(
+          "Property set definition {SetName} is invalid: property {PropertyName} missing or invalid dataType",
+          setName,
+          propertyName
+        );
+        return ADB.ObjectId.Null;
+      }
+
+      if (!Enum.TryParse(dataTypeString, out AAEC.PropertyData.DataType dataType))
+      {
+        _logger.LogError(
+          "Property set definition {SetName} is invalid: unsupported data type {DataType} for property {PropertyName}",
+          setName,
+          dataTypeString,
+          propertyName
+        );
+        return ADB.ObjectId.Null;
+      }
+
+      AAECPDB.PropertyDefinition propDef = new() { DataType = dataType, Name = propertyName };
+
+      propDef.SetToStandard(db);
+      propDef.SubSetDatabaseDefaults(db);
+
+      if (
+        propertyDefDict.TryGetValue(PropertySetDefinitionHandler.PROP_DEF_DEFAULT_VALUE_KEY, out object? defaultValue)
+        && defaultValue != null
+      )
+      {
+        try
+        {
+          // Cast numeric types to avoid bad numeric value errors
+          var convertedValue = dataType switch
+          {
+            AAEC.PropertyData.DataType.Integer => (int)(long)defaultValue,
+            AAEC.PropertyData.DataType.AutoIncrement => (int)(long)defaultValue,
+            _ => defaultValue
+          };
+
+          propDef.DefaultData = convertedValue;
+        }
+        catch (Exception ex) when (!ex.IsFatal())
+        {
+          _logger.LogWarning(
+            ex,
+            "Failed to set default value for property {PropertyName}, continuing without default",
+            propertyName
+          );
+        }
+      }
+
+      propSetDef.Definitions.Add(propDef);
+    }
+
+    propSetDefs.AddNewRecord(prefixedName, propSetDef);
+    tr.AddNewlyCreatedDBObject(propSetDef, true);
+
+    return propSetDef.ObjectId;
+  }
+
+  private bool ObjectHasPropertySet(ADB.DBObject obj, ADB.ObjectId propertySetId)
+  {
+    try
+    {
+      ADB.ObjectId tempId = AAECPDB.PropertyDataServices.GetPropertySet(obj, propertySetId);
+      return !tempId.IsNull;
+    }
+    catch (Autodesk.AutoCAD.Runtime.Exception ex) when (!ex.IsFatal())
+    {
+      return false;
+    }
+  }
+
+  private bool AddPropertySetToEntity(
+    ADB.Entity entity,
+    ADB.ObjectId propertySetDefId,
+    Dictionary<string, object?> setData,
+    ADB.Transaction tr
+  )
+  {
+    try
+    {
+      if (!entity.IsWriteEnabled)
+      {
+        entity.UpgradeOpen();
+      }
+
+      AAECPDB.PropertyDataServices.AddPropertySet(entity, propertySetDefId);
+
+      return TrySetPropertyValues(entity, propertySetDefId, setData, tr);
+    }
+    catch (Exception ex) when (!ex.IsFatal())
+    {
+      _logger.LogWarning(ex, "Failed to add property set to entity");
+      return false;
+    }
+  }
+
+  private bool TrySetPropertyValues(
+    ADB.Entity entity,
+    ADB.ObjectId propertySetDefId,
+    Dictionary<string, object?> setData,
+    ADB.Transaction tr
+  )
+  {
+    try
+    {
+      ADB.ObjectId propertySetId = AAECPDB.PropertyDataServices.GetPropertySet(entity, propertySetDefId);
+      var propertySet = (AAECPDB.PropertySet)tr.GetObject(propertySetId, ADB.OpenMode.ForWrite);
+      var setDefinition = (AAECPDB.PropertySetDefinition)tr.GetObject(propertySetDefId, ADB.OpenMode.ForRead);
+
+      // Build a map of property names to definition IDs
+      Dictionary<string, int> propertyNameToId = new();
+      foreach (AAECPDB.PropertyDefinition propDef in setDefinition.Definitions)
+      {
+        propertyNameToId[propDef.Name] = propDef.Id;
+      }
+
+      foreach (var propertyEntry in setData)
+      {
+        string propertyName = propertyEntry.Key;
+        object? propertyDataObj = propertyEntry.Value;
+
+        if (propertyDataObj is not Dictionary<string, object?> propertyDataDict)
+        {
+          continue;
+        }
+
+        if (!propertyDataDict.TryGetValue("value", out var value) || value == null)
+        {
+          continue;
+        }
+
+        if (!propertyNameToId.TryGetValue(propertyName, out int propertyId))
+        {
+          continue;
+        }
+
+        _propertyHandler.TryGetValue(
+          () =>
+          {
+            propertySet.SetAt(propertyId, value);
+            return true;
+          },
+          out _
+        );
+      }
+
+      return true;
+    }
+    catch (Exception ex) when (!ex.IsFatal())
+    {
+      _logger.LogWarning(ex, "Failed to update property set values");
+      return false;
+    }
+  }
+}
@@ -0,0 +1,60 @@
+using Autodesk.AutoCAD.DatabaseServices;
+using Speckle.Connectors.Autocad.HostApp;
+using Speckle.Connectors.Autocad.Operations.Receive;
+using Speckle.Connectors.Civil3dShared.HostApp;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.Common.Operations.Receive;
+using Speckle.Converters.Common;
+using Speckle.Sdk.Models;
+
+namespace Speckle.Connectors.Civil3dShared.Operations.Receive;
+
+/// <summary>
+/// <para>Civil3D specific host object builder with property set support. Expects to be a scoped dependency per receive operation.</para>
+/// </summary>
+public sealed class Civil3dHostObjectBuilder : AutocadHostObjectBaseBuilder
+{
+  private readonly PropertySetBaker _propertySetBaker;
+
+  public Civil3dHostObjectBuilder(
+    IRootToHostConverter converter,
+    AutocadLayerBaker layerBaker,
+    AutocadGroupBaker groupBaker,
+    AutocadInstanceBaker instanceBaker,
+    IAutocadMaterialBaker materialBaker,
+    IAutocadColorBaker colorBaker,
+    AutocadContext autocadContext,
+    RootObjectUnpacker rootObjectUnpacker,
+    IReceiveConversionHandler conversionHandler,
+    PropertySetBaker propertySetBaker
+  )
+    : base(
+      converter,
+      layerBaker,
+      groupBaker,
+      instanceBaker,
+      materialBaker,
+      colorBaker,
+      autocadContext,
+      rootObjectUnpacker,
+      conversionHandler
+    )
+  {
+    _propertySetBaker = propertySetBaker;
+  }
+
+  protected override void PreReceiveAdditionalDeepClean(string baseLayerPrefix)
+  {
+    _propertySetBaker.PurgePropertySets(baseLayerPrefix);
+  }
+
+  protected override void ParseAndBakeAdditionalProxies(Base rootObject, string baseLayerPrefix)
+  {
+    _propertySetBaker.ParseAndBakePropertySetDefinitions(rootObject, baseLayerPrefix);
+  }
+
+  protected override void PostBakeEntity(Entity entity, Base originalObject, Transaction tr)
+  {
+    _propertySetBaker.TryBakePropertySets(entity, originalObject, tr);
+  }
+}
@@ -11,11 +11,15 @@
  <ItemGroup>
    <Compile Include="$(MSBuildThisFileDirectory)Bindings\Civil3dReceiveBinding.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)DependencyInjection\Civil3dConnectorModule.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)HostApp\PropertySetBaker.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Operations\Receive\Civil3dHostObjectBuilder.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\Civil3dRootObjectBuilder.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Bindings\Civil3dSendBinding.cs" />
  </ItemGroup>
  <ItemGroup>
    <Folder Include="$(MSBuildThisFileDirectory)DependencyInjection\" />
+    <Folder Include="$(MSBuildThisFileDirectory)HostApp\" />
+    <Folder Include="$(MSBuildThisFileDirectory)Operations\Receive\" />
    <Folder Include="$(MSBuildThisFileDirectory)Operations\Send\" />
  </ItemGroup>
 </Project>
@@ -11,7 +11,7 @@ namespace Speckle.Connectors.CSiShared.HostApp.Helpers;
 /// Currently, all material property extraction can happen on a CsiShared level which simplifies things a lot.
 /// Properties depend on the directional symmetry of the material, hence the switch statements.
 /// </remarks>
-public class CsiMaterialPropertyExtractor
+public class CsiMaterialPropertyExtractor : IMaterialPropertyExtractor
 {
  /// <summary>
  /// Property strings for all mechanical properties, used by numerous methods.
@@ -35,11 +35,11 @@ public class CsiMaterialPropertyExtractor
    _settingsStore = settingsStore;
  }

-  public void ExtractProperties(string materialName, Dictionary<string, object?> properties)
+  public void ExtractProperties(string name, Dictionary<string, object?> properties)
  {
-    GetGeneralProperties(materialName, properties);
-    GetWeightAndMassProperties(materialName, properties); // TODO: Add units
-    GetMechanicalProperties(materialName, properties); // TODO: Add units
+    GetGeneralProperties(name, properties);
+    GetWeightAndMassProperties(name, properties);
+    GetMechanicalProperties(name, properties);
  }

  private void GetGeneralProperties(string materialName, Dictionary<string, object?> properties)
@@ -76,7 +76,7 @@ public class CsiMaterialPropertyExtractor
      ref massPerUnitVolume
    );

-    var weightAndMass = properties.EnsureNested("Weight and Mass");
+    var weightAndMass = properties.EnsureNested(SectionPropertyCategory.WEIGHT_AND_MASS);
    weightAndMass["Weight per Unit Volume"] = weightPerUnitVolume;
    weightAndMass["Mass per Unit Volume"] = massPerUnitVolume;
  }
@@ -101,7 +101,7 @@ public class CsiMaterialPropertyExtractor
      _ => throw new ArgumentException($"Unknown symmetry type: {materialDirectionalSymmetryKey}")
    };

-    var mechanicalProperties = properties.EnsureNested("Mechanical Properties");
+    var mechanicalProperties = properties.EnsureNested(SectionPropertyCategory.MECHANICAL_DATA);
    mechanicalProperties["Directional Symmetry Type"] = materialDirectionalSymmetryValue.ToString();

    GetMechanicalPropertiesByType(materialName, materialDirectionalSymmetryValue, mechanicalProperties);
@@ -0,0 +1,13 @@
+namespace Speckle.Connectors.CSiShared.HostApp.Helpers;
+
+/// <summary>
+/// Contract for host application specific material property extraction.
+/// </summary>
+/// <remarks>
+/// Mirrors property extraction system pattern by composing with base extractor.
+/// Enables both shared and application-specific property extraction in one call.
+/// </remarks>
+public interface IApplicationMaterialPropertyExtractor
+{
+  void ExtractProperties(string name, Dictionary<string, object?> properties);
+}
@@ -0,0 +1,9 @@
+namespace Speckle.Connectors.CSiShared.HostApp.Helpers;
+
+/// <summary>
+/// Core contract for material property extraction common across CSi products.
+/// </summary>
+public interface IMaterialPropertyExtractor
+{
+  void ExtractProperties(string name, Dictionary<string, object?> properties);
+}
@@ -0,0 +1,10 @@
+using Speckle.Sdk.Models.Proxies;
+
+namespace Speckle.Connectors.CSiShared.HostApp.Helpers;
+
+// NOTE: Interface because Etabs and Sap2000 material unpacking and extraction is different.
+// At ServiceRegistration, we inject the correct implementation of the IMaterialUnpacker
+public interface IMaterialUnpacker
+{
+  IEnumerable<IProxyCollection> UnpackMaterials();
+}
@@ -1,51 +0,0 @@
-using Speckle.Connectors.CSiShared.HostApp.Helpers;
-using Speckle.Converters.CSiShared.ToSpeckle.Helpers;
-using Speckle.Sdk.Models.Proxies;
-
-namespace Speckle.Connectors.CSiShared.HostApp;
-
-/// <summary>
-/// Creates material proxies based on stored entries from the materials cache
-/// </summary>
-public class MaterialUnpacker
-{
-  private readonly CsiMaterialPropertyExtractor _propertyExtractor;
-  private readonly CsiToSpeckleCacheSingleton _csiToSpeckleCacheSingleton;
-
-  public MaterialUnpacker(
-    CsiMaterialPropertyExtractor propertyExtractor,
-    CsiToSpeckleCacheSingleton csiToSpeckleCacheSingleton
-  )
-  {
-    _propertyExtractor = propertyExtractor;
-    _csiToSpeckleCacheSingleton = csiToSpeckleCacheSingleton;
-  }
-
-  // Creates a list of material proxies from the csi materials cache
-  public IEnumerable<IProxyCollection> UnpackMaterials()
-  {
-    foreach (var kvp in _csiToSpeckleCacheSingleton.MaterialCache)
-    {
-      // get the cached entry
-      string materialName = kvp.Key;
-      List<string> sectionIds = kvp.Value;
-
-      // get the properties of the material
-      Dictionary<string, object?> properties = new(); // create empty dictionary
-      _propertyExtractor.ExtractProperties(materialName, properties); // dictionary mutated with respective properties
-
-      // create the material proxy
-      GroupProxy materialProxy =
-        new()
-        {
-          id = materialName,
-          name = materialName,
-          applicationId = materialName,
-          objects = sectionIds,
-          ["properties"] = properties
-        };
-
-      yield return materialProxy;
-    }
-  }
-}
@@ -34,7 +34,7 @@ public class CsiRootObjectBuilder : IRootObjectBuilder<ICsiWrapper>
  private readonly IRootToSpeckleConverter _rootToSpeckleConverter;
  private readonly IConverterSettingsStore<CsiConversionSettings> _converterSettings;
  private readonly CsiSendCollectionManager _sendCollectionManager;
-  private readonly MaterialUnpacker _materialUnpacker;
+  private readonly IMaterialUnpacker _materialUnpacker;
  private readonly ISectionUnpacker _sectionUnpacker;
  private readonly ILogger<CsiRootObjectBuilder> _logger;
  private readonly ISdkActivityFactory _activityFactory;
@@ -45,7 +45,7 @@ public class CsiRootObjectBuilder : IRootObjectBuilder<ICsiWrapper>
    IRootToSpeckleConverter rootToSpeckleConverter,
    IConverterSettingsStore<CsiConversionSettings> converterSettings,
    CsiSendCollectionManager sendCollectionManager,
-    MaterialUnpacker materialUnpacker,
+    IMaterialUnpacker materialUnpacker,
    ISectionUnpacker sectionUnpacker,
    ILogger<CsiRootObjectBuilder> logger,
    ISdkActivityFactory activityFactory,
@@ -83,8 +83,16 @@ public class CsiRootObjectBuilder : IRootObjectBuilder<ICsiWrapper>
    using var activity = _activityFactory.Start("Build");

    string modelFileName = _csiApplicationService.SapModel.GetModelFilename(false) ?? "Unnamed model";
+    (string forceUnit, string tempUnit) = GetForceAndTemperatureUnits();
+
    Collection rootObjectCollection =
-      new() { name = modelFileName, ["units"] = _converterSettings.Current.SpeckleUnits };
+      new()
+      {
+        name = modelFileName,
+        ["units"] = _converterSettings.Current.SpeckleUnits,
+        ["forceUnits"] = forceUnit,
+        ["temperatureUnits"] = tempUnit
+      };

    List<SendConversionResult> results = new(csiObjects.Count);
    int count = 0;
@@ -217,4 +225,20 @@ public class CsiRootObjectBuilder : IRootObjectBuilder<ICsiWrapper>
        group => group.Key, // ModelObjectType (FRAME, JOINT, etc.)
        group => group.Select(obj => obj.Name).ToList() // Extract Name from each ICsiWrapper and convert to List<string>
      );
+
+  /// <summary>
+  /// Instantiates a Base object and pre-populates it with the models defined force units.
+  /// </summary>
+  /// <returns></returns>
+  /// <exception cref="SpeckleException"></exception>
+  private (string, string) GetForceAndTemperatureUnits()
+  {
+    var forceUnit = eForce.NotApplicable;
+    var lengthUnit = eLength.NotApplicable;
+    var temperatureUnit = eTemperature.NotApplicable;
+
+    _converterSettings.Current.SapModel.GetDatabaseUnits_2(ref forceUnit, ref lengthUnit, ref temperatureUnit);
+
+    return (forceUnit.ToString(), temperatureUnit.ToString());
+  }
 }
@@ -47,7 +47,7 @@ public static class ServiceRegistration

    services.AddScoped<CsiMaterialPropertyExtractor>();
    services.AddScoped<CsiResultsExtractorFactory>();
-    services.AddScoped<MaterialUnpacker>();
+    services.AddScoped<IMaterialPropertyExtractor, CsiMaterialPropertyExtractor>();
    services.AddScoped<IFrameSectionPropertyExtractor, CsiFrameSectionPropertyExtractor>();
    services.AddScoped<IShellSectionPropertyExtractor, CsiShellSectionPropertyExtractor>();
    services.AddScoped<AnalysisResultsExtractor>();
@@ -19,7 +19,9 @@
    <Compile Include="$(MSBuildThisFileDirectory)Bindings\CsiSharedSendBinding.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Filters\CsiSharedSelectionFilter.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)HostApp\Helpers\CsiResultsExtractorFactory.cs" />
-    <Compile Include="$(MSBuildThisFileDirectory)HostApp\MaterialUnpacker.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)HostApp\Helpers\IApplicationMaterialPropertyExtractor.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)HostApp\Helpers\IMaterialPropertyExtractor.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)HostApp\Helpers\IMaterialUnpacker.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)HostApp\CsiSendCollectionManager.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)HostApp\Helpers\CsiFrameSectionPropertyExtractor.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)HostApp\Helpers\CsiMaterialPropertyExtractor.cs" />
@@ -31,8 +31,8 @@ public class AnalysisResultsExtractor
    Dictionary<ModelObjectType, List<string>> objectSelectionSummary
  )
  {
-    // Step 1: get analysis units
-    var analysisResults = CreateAnalysisResultsWithUnits();
+    // Step 1: create base object that will hold analysis results
+    var analysisResults = new Base();

    // Step 2: configure and validate load cases
    ConfigureAndValidateSelectedLoadCases(selectedCasesAndCombinations);
@@ -43,36 +43,6 @@ public class AnalysisResultsExtractor
    return analysisResults;
  }

-  /// <summary>
-  /// Instantiates a Base object and pre-populates it with the models defined force units.
-  /// </summary>
-  /// <returns></returns>
-  /// <exception cref="SpeckleException"></exception>
-  private Base CreateAnalysisResultsWithUnits()
-  {
-    var forceUnit = eForce.NotApplicable;
-    var lengthUnit = eLength.NotApplicable;
-    var temperatureUnit = eTemperature.NotApplicable;
-
-    int success = _converterSettingsStore.Current.SapModel.GetDatabaseUnits_2(
-      ref forceUnit,
-      ref lengthUnit,
-      ref temperatureUnit
-    );
-
-    if (success != 0)
-    {
-      throw new SpeckleException("Failed to retrieve units for analysis results");
-    }
-
-    return new Base
-    {
-      ["forceUnit"] = forceUnit.ToString(),
-      ["lengthUnit"] = lengthUnit.ToString(),
-      ["temperatureUnit"] = temperatureUnit.ToString()
-    };
-  }
-
  private void ExtractResults(
    List<string> requestedResultTypes,
    Dictionary<ModelObjectType, List<string>> objectSelectionSummary,
@@ -259,9 +259,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -285,7 +285,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.etabs21": {
@@ -294,6 +294,29 @@
          "Speckle.Converters.Common": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -332,38 +355,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -210,9 +210,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -236,7 +236,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.etabs22": {
@@ -245,6 +245,27 @@
          "Speckle.Converters.Common": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -283,36 +304,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -0,0 +1,50 @@
+using Speckle.Connectors.CSiShared.HostApp.Helpers;
+using Speckle.Converters.CSiShared.ToSpeckle.Helpers;
+using Speckle.Sdk.Models.Proxies;
+
+namespace Speckle.Connectors.ETABSShared.HostApp;
+
+public class EtabsMaterialUnpacker : IMaterialUnpacker
+{
+  private readonly CsiToSpeckleCacheSingleton _csiToSpeckleCacheSingleton;
+  private readonly IMaterialPropertyExtractor _csiMaterialPropertyExtractor;
+  private readonly IApplicationMaterialPropertyExtractor _etabsMaterialPropertyExtractor;
+
+  public EtabsMaterialUnpacker(
+    CsiToSpeckleCacheSingleton csiToSpeckleCacheSingleton,
+    IMaterialPropertyExtractor csiMaterialPropertyExtractor,
+    IApplicationMaterialPropertyExtractor etabsMaterialPropertyExtractor
+  )
+  {
+    _csiToSpeckleCacheSingleton = csiToSpeckleCacheSingleton;
+    _csiMaterialPropertyExtractor = csiMaterialPropertyExtractor;
+    _etabsMaterialPropertyExtractor = etabsMaterialPropertyExtractor;
+  }
+
+  public IEnumerable<IProxyCollection> UnpackMaterials()
+  {
+    foreach (var kvp in _csiToSpeckleCacheSingleton.MaterialCache)
+    {
+      string name = kvp.Key;
+      var sectionIds = kvp.Value;
+
+      // get the properties of the material
+      Dictionary<string, object?> properties = [];
+      _csiMaterialPropertyExtractor.ExtractProperties(name, properties);
+      _etabsMaterialPropertyExtractor.ExtractProperties(name, properties);
+
+      // create the material proxy
+      GroupProxy materialProxy =
+        new()
+        {
+          id = name,
+          name = name,
+          applicationId = name,
+          objects = sectionIds,
+          ["properties"] = properties
+        };
+
+      yield return materialProxy;
+    }
+  }
+}
@@ -0,0 +1,219 @@
+using Speckle.Connectors.CSiShared.HostApp.Helpers;
+using Speckle.Converters.Common;
+using Speckle.Converters.CSiShared;
+using Speckle.Converters.CSiShared.Utils;
+
+namespace Speckle.Connectors.ETABS22.HostApp.Helpers;
+
+public class EtabsMaterialPropertyExtractor : IApplicationMaterialPropertyExtractor
+{
+  private readonly IConverterSettingsStore<CsiConversionSettings> _settingsStore;
+
+  private readonly Dictionary<int, string?> _ssTypeDict =
+    new()
+    {
+      { 0, "User defined" },
+      { 1, "Parametric - Simple" },
+      { 2, "Parametric - Mander" }
+    };
+
+  private readonly Dictionary<int, string?> _ssHysTypeDict =
+    new()
+    {
+      { 0, "Elastic" },
+      { 1, "Kinematic" },
+      { 2, "Takeda" },
+      { 3, "Pivot" },
+      { 4, "Concrete" },
+      { 5, "BRB Hardening" },
+      { 6, "Degrading" },
+      { 7, "Isotropic" }
+    };
+
+  private const int TEMP = 0;
+
+  public EtabsMaterialPropertyExtractor(IConverterSettingsStore<CsiConversionSettings> settingsStore)
+  {
+    _settingsStore = settingsStore;
+  }
+
+  public void ExtractProperties(string name, Dictionary<string, object?> properties)
+  {
+    // we want to get some of the "other" material property data that is type specific
+    // csi extractor populates "type" string, but api query arguably simpler and more reliable than dict string access
+    int symType = 0;
+    eMatType matType = 0;
+    _settingsStore.Current.SapModel.PropMaterial.GetTypeOAPI(name, ref matType, ref symType);
+
+    // we don't have design data api queries for these, so early return to avoid creating that specific dictionary
+    if (matType is eMatType.NoDesign or eMatType.Aluminum or eMatType.ColdFormed or eMatType.Masonry)
+    {
+      return;
+    }
+
+    // ensure design data specific properties dictionary that will be mutated in switch expression
+    var designData = properties.EnsureNested(SectionPropertyCategory.DESIGN_DATA);
+
+    // can't do a switch expression here because not all enums have an api query (e.g. masonry, aluminium)
+    switch (matType)
+    {
+      case eMatType.Steel:
+        ExtractSteelProperties(name, designData);
+        break;
+      case eMatType.Concrete:
+        ExtractConcreteProperties(name, designData);
+        break;
+      case eMatType.Rebar:
+        ExtractRebarProperties(name, designData);
+        break;
+      case eMatType.Tendon:
+        ExtractTendonProperties(name, designData);
+        break;
+    }
+  }
+
+  private void ExtractSteelProperties(string name, Dictionary<string, object?> designData)
+  {
+    // step 1: stubs for api query
+    int ssType = 0,
+      ssHysType = 0;
+    double fy = 0,
+      fu = 0,
+      eFy = 0,
+      eFu = 0,
+      strainAtHardening = 0,
+      strainAtMaxStress = 0,
+      strainAtRupture = 0;
+
+    // step 2: api query
+    // NOTE: using the "older" method. Not sure if _1 is unsupported in etabs 21
+    // also, _1 doesn't give a lot more MEANINGFUL data
+    _settingsStore.Current.SapModel.PropMaterial.GetOSteel(
+      name,
+      ref fy,
+      ref fu,
+      ref eFy,
+      ref eFu,
+      ref ssType,
+      ref ssHysType,
+      ref strainAtHardening,
+      ref strainAtMaxStress,
+      ref strainAtRupture
+    );
+
+    // step 3: mutate properties dictionary
+    designData["Fy"] = fy;
+    designData["Fu"] = fu;
+    designData["EFy"] = eFy;
+    designData["EFu"] = eFu;
+    designData["SSType"] = _ssTypeDict.TryGetValue(ssType, out string? ssTypeValue) ? ssTypeValue : "";
+    designData["SSHysType"] = _ssHysTypeDict.TryGetValue(ssHysType, out string? ssHysTypeValue) ? ssHysTypeValue : "";
+    designData["StrainAtHardening"] = strainAtHardening;
+    designData["StrainAtMaxStress"] = strainAtMaxStress;
+    designData["StrainAtRupture"] = strainAtRupture;
+    designData["Temp"] = TEMP;
+  }
+
+  private void ExtractConcreteProperties(string name, Dictionary<string, object?> designData)
+  {
+    // step 1: stubs for api query
+    int ssType = 0,
+      ssHysType = 0;
+    bool isLightweight = false;
+    double fc = 0,
+      fcsFactor = 0,
+      strainAtFc = 0,
+      strainUltimate = 0,
+      frictionAngle = 0,
+      dilatationalAngle = 0;
+
+    // step 2: api query
+    // NOTE: using the "older" method. Not sure if _1 or _2 are unsupported in etabs 21
+    // also, _1 or _2 doesn't give a lot more MEANINGFUL data
+    _settingsStore.Current.SapModel.PropMaterial.GetOConcrete(
+      name,
+      ref fc,
+      ref isLightweight,
+      ref fcsFactor,
+      ref ssType,
+      ref ssHysType,
+      ref strainAtFc,
+      ref strainUltimate,
+      ref frictionAngle,
+      ref dilatationalAngle
+    );
+
+    // step 3: mutate properties dictionary
+    designData["Fc"] = fc;
+    designData["FcsFactor"] = fcsFactor;
+    designData["StrainAtFc"] = strainAtFc;
+    designData["StrainUltimate"] = strainUltimate;
+    designData["FrictionAngle"] = frictionAngle;
+    designData["DilatationalAngle"] = dilatationalAngle;
+    designData["IsLightweight"] = isLightweight.ToString();
+    designData["SSType"] = _ssTypeDict.TryGetValue(ssType, out string? ssTypeValue) ? ssTypeValue : "";
+    designData["SSHysType"] = _ssHysTypeDict.TryGetValue(ssHysType, out string? ssHysTypeValue) ? ssHysTypeValue : "";
+    designData["Temp"] = TEMP;
+  }
+
+  private void ExtractRebarProperties(string name, Dictionary<string, object?> designData)
+  {
+    // step 1: stubs for api query
+    bool useCaltransSsDefaults = false;
+    int ssType = 0,
+      ssHysType = 0;
+    double fy = 0,
+      fu = 0,
+      eFy = 0,
+      eFu = 0,
+      strainAtHardening = 0,
+      strainUltimate = 0;
+
+    // step 2: api query
+    // NOTE: using the "older" method. Not sure if _1 is unsupported in etabs 21
+    // also, _1 doesn't give a lot more MEANINGFUL data
+    _settingsStore.Current.SapModel.PropMaterial.GetORebar(
+      name,
+      ref fy,
+      ref fu,
+      ref eFy,
+      ref eFu,
+      ref ssType,
+      ref ssHysType,
+      ref strainAtHardening,
+      ref strainUltimate,
+      ref useCaltransSsDefaults
+    );
+
+    // step 3: mutate properties dictionary
+    designData["Fy"] = fy;
+    designData["Fu"] = fu;
+    designData["EFy"] = eFy;
+    designData["EFu"] = eFu;
+    designData["StrainAtHardening"] = strainAtHardening;
+    designData["StrainUltimate"] = strainUltimate;
+    designData["SSType"] = _ssTypeDict.TryGetValue(ssType, out string? ssTypeValue) ? ssTypeValue : "";
+    designData["SSHysType"] = _ssHysTypeDict.TryGetValue(ssHysType, out string? ssHysTypeValue) ? ssHysTypeValue : "";
+    designData["UseCaltransSsDefaults"] = useCaltransSsDefaults.ToString();
+    designData["Temp"] = TEMP;
+  }
+
+  private void ExtractTendonProperties(string name, Dictionary<string, object?> designData)
+  {
+    // step 1: stubs for api query
+    int ssType = 0,
+      ssHysType = 0;
+    double fy = 0,
+      fu = 0;
+
+    // step 2: api query
+    _settingsStore.Current.SapModel.PropMaterial.GetOTendon(name, ref fy, ref fu, ref ssType, ref ssHysType);
+
+    // step 3: mutate properties dictionary
+    designData["Fy"] = fy;
+    designData["Fu"] = fu;
+    designData["SSType"] = _ssTypeDict.TryGetValue(ssType, out string? ssTypeValue) ? ssTypeValue : "";
+    designData["SSHysType"] = _ssHysTypeDict.TryGetValue(ssHysType, out string? ssHysTypeValue) ? ssHysTypeValue : "";
+    designData["Temp"] = TEMP;
+  }
+}
@@ -1,8 +1,7 @@
 using Microsoft.Extensions.Logging;
 using Speckle.Connectors.CSiShared.HostApp.Helpers;
-using Speckle.Converters.Common;
-using Speckle.Converters.CSiShared;
-using Speckle.Converters.CSiShared.Utils;
+using Speckle.Converters.CSiShared.ToSpeckle.Helpers;
+using Speckle.Converters.ETABSShared.ToSpeckle.Helpers;

 namespace Speckle.Connectors.ETABSShared.HostApp.Helpers;

@@ -11,54 +10,55 @@ namespace Speckle.Connectors.ETABSShared.HostApp.Helpers;
 /// </summary>
 public class EtabsShellSectionPropertyExtractor : IApplicationShellSectionPropertyExtractor
 {
-  private readonly IConverterSettingsStore<CsiConversionSettings> _settingsStore;
  private readonly ILogger<EtabsShellSectionPropertyExtractor> _logger;
+  private readonly CsiToSpeckleCacheSingleton _csiToSpeckleCacheSingleton;
  private readonly EtabsShellSectionResolver _etabsShellSectionResolver;

  public EtabsShellSectionPropertyExtractor(
-    IConverterSettingsStore<CsiConversionSettings> settingsStore,
    ILogger<EtabsShellSectionPropertyExtractor> logger,
-    EtabsShellSectionResolver etabsShellSectionResolver
+    EtabsShellSectionResolver etabsShellSectionResolver,
+    CsiToSpeckleCacheSingleton csiToSpeckleCacheSingleton
  )
  {
-    _settingsStore = settingsStore;
    _logger = logger;
    _etabsShellSectionResolver = etabsShellSectionResolver;
+    _csiToSpeckleCacheSingleton = csiToSpeckleCacheSingleton;
  }

  /// <summary>
-  /// Extract shell section properties
+  /// Extract shell section properties from cache.
  /// </summary>
  /// <remarks>
-  /// sectionName is unique across all types (Wall, Slab and Deck)
-  /// There is no general query such as PropArea.GetShell() - rather we have to be specific on the type, for example
-  /// PropArea.GetWall() or PropArea.GetDeck() BUT we can't get the building type given a SectionName.
-  /// Hence the introduction of ResolveSection.
+  /// By the time this method is called during section unpacking, all sections should already be
+  /// resolved and cached by <see cref="EtabsShellPropertiesExtractor"/> during object conversion.
  /// </remarks>
  public void ExtractProperties(string sectionName, Dictionary<string, object?> properties)
  {
-    // Step 01: Finding the appropriate api query for the unknown section type (wall, deck or slab)
-    Dictionary<string, object?> resolvedProperties = _etabsShellSectionResolver.ResolveSection(sectionName);
+    var sectionProps = GetSectionProperties(sectionName);

-    // Step 02: Mutate properties dictionary with resolved properties
-    foreach (var nestedDictionary in resolvedProperties)
+    // shallow copy nested dictionaries into provided properties dict to mutate it (required by interface contract)
+    foreach (var kvp in sectionProps)
    {
-      if (nestedDictionary.Value is not Dictionary<string, object?> nestedValues)
-      {
-        _logger.LogWarning(
-          "Unexpected value type for key {Key} in section {SectionName}. Expected Dictionary<string, object?>, got {ActualType}",
-          nestedDictionary.Key,
-          sectionName,
-          nestedDictionary.Value?.GetType().Name ?? "null"
-        );
-        continue;
-      }
-
-      var nestedProperties = properties.EnsureNested(nestedDictionary.Key);
-      foreach (var kvp in nestedValues)
-      {
-        nestedProperties[kvp.Key] = kvp.Value;
-      }
+      properties[kvp.Key] = kvp.Value;
    }
  }
+
+  private Dictionary<string, object?> GetSectionProperties(string sectionName)
+  {
+    // return cached properties directly
+    if (_csiToSpeckleCacheSingleton.ShellSectionPropertiesCache.TryGetValue(sectionName, out var cachedProperties))
+    {
+      return cachedProperties;
+    }
+
+    // fallback - shouldn't happen because cached populated on the fly as sections appear in the extractor
+    _logger.LogWarning(
+      "Section {SectionName} not in cache during unpacking - resolving via API (expensive)",
+      sectionName
+    );
+
+    var resolved = _etabsShellSectionResolver.ResolveSection(sectionName);
+    _csiToSpeckleCacheSingleton.ShellSectionPropertiesCache[sectionName] = resolved;
+    return resolved;
+  }
 }
@@ -1,6 +1,7 @@
 using Microsoft.Extensions.DependencyInjection;
 using Speckle.Connectors.CSiShared.HostApp;
 using Speckle.Connectors.CSiShared.HostApp.Helpers;
+using Speckle.Connectors.ETABS22.HostApp.Helpers;
 using Speckle.Connectors.ETABSShared.HostApp;
 using Speckle.Connectors.ETABSShared.HostApp.Helpers;
 using Speckle.Connectors.ETABSShared.HostApp.Services;
@@ -14,12 +15,17 @@ public static class ServiceRegistration
  {
    services.AddEtabsConverters();
    services.AddScoped<CsiSendCollectionManager, EtabsSendCollectionManager>();
-    services.AddScoped<EtabsSectionPropertyDefinitionService>();
-    services.AddScoped<EtabsSectionPropertyExtractor>();
-    services.AddScoped<EtabsShellSectionResolver>();
+
+    // material services
+    services.AddScoped<IMaterialUnpacker, EtabsMaterialUnpacker>();
+    services.AddScoped<IApplicationMaterialPropertyExtractor, EtabsMaterialPropertyExtractor>();
+
+    // section services
+    services.AddScoped<ISectionUnpacker, EtabsSectionUnpacker>();
    services.AddScoped<IApplicationFrameSectionPropertyExtractor, EtabsFrameSectionPropertyExtractor>();
    services.AddScoped<IApplicationShellSectionPropertyExtractor, EtabsShellSectionPropertyExtractor>();
-    services.AddScoped<ISectionUnpacker, EtabsSectionUnpacker>();
+    services.AddScoped<EtabsSectionPropertyDefinitionService>();
+    services.AddScoped<EtabsSectionPropertyExtractor>();

    return services;
  }
@@ -9,13 +9,14 @@
    <Import_RootNamespace>Speckle.Connectors.ETABSShared</Import_RootNamespace>
  </PropertyGroup>
  <ItemGroup>
+    <Compile Include="$(MSBuildThisFileDirectory)HostApp\EtabsMaterialUnpacker.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)HostApp\EtabsSectionUnpacker.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)HostApp\EtabsSendCollectionManager.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)HostApp\Helpers\EtabsFrameSectionPropertyExtractor.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)HostApp\Helpers\EtabsMaterialPropertyExtractor.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)HostApp\Helpers\EtabsSectionPropertyDefinitionService.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)HostApp\Helpers\EtabsSectionPropertyExtractor.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)HostApp\Helpers\EtabsShellSectionPropertyExtractor.cs" />
-    <Compile Include="$(MSBuildThisFileDirectory)HostApp\Helpers\EtabsShellSectionResolver.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Plugin\EtabsPluginBase.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Plugin\EtabsSpeckleFormBase.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)ServiceRegistration.cs" />
@@ -259,9 +259,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -285,7 +285,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.navisworks2020": {
@@ -296,6 +296,29 @@
          "Speckle.Navisworks.API": "[2020.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -334,38 +357,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    },
    ".NETFramework,Version=v4.8/win-x64": {
@@ -259,9 +259,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -285,7 +285,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.navisworks2021": {
@@ -296,6 +296,29 @@
          "Speckle.Navisworks.API": "[2021.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -334,38 +357,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    },
    ".NETFramework,Version=v4.8/win-x64": {
@@ -259,9 +259,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -285,7 +285,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.navisworks2022": {
@@ -296,6 +296,29 @@
          "Speckle.Navisworks.API": "[2022.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -334,38 +357,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    },
    ".NETFramework,Version=v4.8/win-x64": {
@@ -259,9 +259,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -285,7 +285,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.navisworks2023": {
@@ -296,6 +296,29 @@
          "Speckle.Navisworks.API": "[2023.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -334,38 +357,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    },
    ".NETFramework,Version=v4.8/win-x64": {
@@ -259,9 +259,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -285,7 +285,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.navisworks2024": {
@@ -296,6 +296,29 @@
          "Speckle.Navisworks.API": "[2024.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -334,38 +357,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    },
    ".NETFramework,Version=v4.8/win-x64": {
@@ -265,9 +265,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -291,7 +291,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.navisworks2025": {
@@ -302,6 +302,29 @@
          "Speckle.Navisworks.API": "[2025.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -334,38 +357,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    },
    ".NETFramework,Version=v4.8/win-x64": {
@@ -266,9 +266,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -292,7 +292,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.navisworks2026": {
@@ -304,6 +304,29 @@
          "System.Reactive": "[6.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -336,38 +359,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    },
    ".NETFramework,Version=v4.8/win-x64": {
@@ -6,6 +6,7 @@ using Speckle.Connector.Navisworks.DependencyInjection;
 using Speckle.Connector.Navisworks.HostApp;
 using Speckle.Connector.Navisworks.Plugin.Tools;
 using Speckle.Connectors.Common;
+using Speckle.Connectors.Common.Operations;
 using Speckle.Connectors.DUI;
 using Speckle.Connectors.DUI.WebView;
 using Speckle.Converter.Navisworks.DependencyInjection;
@@ -46,6 +47,8 @@ internal sealed class Connector : NAV.Plugins.DockPanePlugin
    Container = services.BuildServiceProvider();
    Container.UseDUI();
    Container.GetRequiredService<NavisworksDocumentEvents>();
+    Container.GetRequiredService<ISerializationOptions>().SkipCacheRead = true;
+    Container.GetRequiredService<ISerializationOptions>().SkipCacheWrite = true;

    var u = Container.GetRequiredService<DUI3ControlWebView>();

@@ -281,9 +281,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -306,7 +306,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.revit2022": {
@@ -316,6 +316,29 @@
          "Speckle.Revit.API": "[2022.0.2.1, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -349,43 +372,11 @@
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
      "Speckle.Revit.API": {
        "type": "CentralTransitive",
        "requested": "[2023.0.0, )",
        "resolved": "2022.0.2.1",
        "contentHash": "IrLN4WyI2ix+g3zCpo7sX8zNB3FrtrdQ3E2RpceGVPNG00v8OfD+Kei7o1bn1u/ML46iBYRAr/JcsLbwfUQsBw=="
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -281,9 +281,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -306,7 +306,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.revit2023": {
@@ -316,6 +316,29 @@
          "Speckle.Revit.API": "[2023.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -349,43 +372,11 @@
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
      "Speckle.Revit.API": {
        "type": "CentralTransitive",
        "requested": "[2023.0.0, )",
        "resolved": "2023.0.0",
        "contentHash": "tq40eD7psgTbV+epNouYyqfo6+hEi7FmXZqcxEOsAV7zfYyWhL6Rt3vmojkWGNuerGbH6oRI6KIIxrnlCNb8Hw=="
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -281,9 +281,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -306,7 +306,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.revit2024": {
@@ -316,6 +316,29 @@
          "Speckle.Revit.API": "[2024.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -349,43 +372,11 @@
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
      "Speckle.Revit.API": {
        "type": "CentralTransitive",
        "requested": "[2023.0.0, )",
        "resolved": "2024.0.0",
        "contentHash": "a4dsvZ00ocvzTgCD6dUdydf0jIZDVcDhs6dUX9cv+y3aTDbU8rmzhYXWt8sThedIG+IPSVa0vHmAH9pKiJL3SQ=="
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -226,9 +226,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -251,7 +251,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.revit2025": {
@@ -261,6 +261,27 @@
          "Speckle.Revit.API": "[2025.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -294,41 +315,11 @@
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
      "Speckle.Revit.API": {
        "type": "CentralTransitive",
        "requested": "[2023.0.0, )",
        "resolved": "2025.0.0",
        "contentHash": "Hwf/3Ydc7KxvjgD9pSZKLSJRsFTsxYg95YyTm6f43hcsGjmk49GsLFQt921Z9OcvUVewOggQHcmBgti+P2EPHw=="
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    },
    "net8.0-windows7.0/win-x64": {
@@ -219,9 +219,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -244,7 +244,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.revit2026": {
@@ -254,6 +254,27 @@
          "Speckle.Revit.API": "[2026.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.Logging": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -278,41 +299,11 @@
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
      "Speckle.Revit.API": {
        "type": "CentralTransitive",
        "requested": "[2023.0.0, )",
        "resolved": "2026.0.0",
        "contentHash": "SiqqKbF1pXyZWXZhAl2JhjYhTt7RiYO5JaQrAjq+OlleAjT4zatwAp/DnTwQspFbP7UZr3b2Ed2kuWNN0ZFelw=="
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    },
    "net8.0-windows7.0/win-x64": {
@@ -1,3 +1,4 @@
+using System.Runtime.InteropServices;
 using System.Windows.Controls;
 using System.Windows.Threading;
 using Autodesk.Revit.UI;
@@ -31,6 +32,10 @@ public partial class CefSharpPanel : Page, Autodesk.Revit.UI.IDockablePaneProvid
        DispatcherPriority.Background
      );
    }
+    catch (SEHException)
+    {
+      //do nothing as we can't control external components
+    }
    catch (OperationCanceledException)
    {
      //do nothing, happens when closing Revit while a script is being executed
@@ -106,7 +106,7 @@ internal sealed class BasicConnectorBindingRevit : IBasicConnectorBinding

      if (senderModelCard.SendFilter is RevitViewsFilter revitViewsFilter)
      {
-        var view = revitViewsFilter.GetView();
+        var view = revitViewsFilter.GetView(activeUIDoc.Document);
        if (view is not null)
        {
          await _revitTask
@@ -29,9 +29,11 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
  private readonly DocumentModelStore _store;
  private readonly ICancellationManager _cancellationManager;
  private readonly ISendConversionCache _sendConversionCache;
+
  private readonly ToSpeckleSettingsManager _toSpeckleSettingsManager;
  private readonly ElementUnpacker _elementUnpacker;
  private readonly IRevitConversionSettingsFactory _revitConversionSettingsFactory;
+  private readonly RevitToSpeckleCacheSingleton _revitToSpeckleCacheSingleton;
  private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
  private readonly LinkedModelHandler _linkedModelHandler;
  private readonly IThreadContext _threadContext;
@@ -55,6 +57,7 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
    ToSpeckleSettingsManager toSpeckleSettingsManager,
    ElementUnpacker elementUnpacker,
    IRevitConversionSettingsFactory revitConversionSettingsFactory,
+    RevitToSpeckleCacheSingleton revitToSpeckleCacheSingleton,
    ITopLevelExceptionHandler topLevelExceptionHandler,
    LinkedModelHandler linkedModelHandler,
    IThreadContext threadContext,
@@ -71,6 +74,7 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
    _toSpeckleSettingsManager = toSpeckleSettingsManager;
    _elementUnpacker = elementUnpacker;
    _revitConversionSettingsFactory = revitConversionSettingsFactory;
+    _revitToSpeckleCacheSingleton = revitToSpeckleCacheSingleton;
    _topLevelExceptionHandler = topLevelExceptionHandler;
    _linkedModelHandler = linkedModelHandler;
    _threadContext = threadContext;
@@ -110,6 +114,11 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding

  public async Task Send(string modelCardId)
  {
+    var document = _revitContext.UIApplication?.ActiveUIDocument?.Document;
+    if (document == null)
+    {
+      throw new SpeckleException("No document is active for sending.");
+    }
    using var manager = _sendOperationManagerFactory.Create();

    await manager.Process<DocumentToConvert>(
@@ -120,24 +129,20 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
        sp.GetRequiredService<IConverterSettingsStore<RevitConversionSettings>>()
          .Initialize(
            _revitConversionSettingsFactory.Create(
-              _toSpeckleSettingsManager.GetDetailLevelSetting(card),
-              _toSpeckleSettingsManager.GetReferencePointSetting(card),
-              _toSpeckleSettingsManager.GetSendParameterNullOrEmptyStringsSetting(card),
-              _toSpeckleSettingsManager.GetLinkedModelsSetting(card),
-              _toSpeckleSettingsManager.GetSendRebarsAsVolumetric(card)
+              _toSpeckleSettingsManager.GetDetailLevelSetting(document, card),
+              _toSpeckleSettingsManager.GetReferencePointSetting(document, card),
+              _toSpeckleSettingsManager.GetSendParameterNullOrEmptyStringsSetting(document, card),
+              _toSpeckleSettingsManager.GetLinkedModelsSetting(document, card),
+              _toSpeckleSettingsManager.GetSendRebarsAsVolumetric(document, card)
            )
          );
      },
-      async x => await RefreshElementsIdsOnSender(x.NotNull())
+      async x => await RefreshElementsIdsOnSender(document, x.NotNull())
    );
  }

-  private async Task<List<DocumentToConvert>> RefreshElementsIdsOnSender(SenderModelCard modelCard)
+  private async Task<List<DocumentToConvert>> RefreshElementsIdsOnSender(Document document, SenderModelCard modelCard)
  {
-    var activeUIDoc =
-      _revitContext.UIApplication?.ActiveUIDocument
-      ?? throw new SpeckleException("Unable to retrieve active UI document");
-
    if (modelCard.SendFilter.NotNull() is IRevitSendFilter viewFilter)
    {
      viewFilter.SetContext(_revitContext);
@@ -147,10 +152,7 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
      () => Task.FromResult(modelCard.SendFilter.NotNull().RefreshObjectIds())
    );

-    var allElements = selectedObjects
-      .Select(uid => activeUIDoc.Document.GetElement(uid))
-      .Where(el => el is not null)
-      .ToList();
+    var allElements = selectedObjects.Select(uid => document.GetElement(uid)).Where(el => el is not null).ToList();

    // split elements between main model and linked models
    var elementsOnMainModel = allElements.Where(el => el is not RevitLinkInstance).ToList();
@@ -158,14 +160,11 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding

    // should ideally reuse the initialized value from the scoped IConverterSettingsStore<RevitConversionSettings>.
    // but, it's scoped and to avoid bigger scarier changes I'm re-fetching the setting here (inexpensive operation?)
-    Transform? mainModelTransform = _toSpeckleSettingsManager.GetReferencePointSetting(modelCard);
-    List<DocumentToConvert> documentElementContexts =
-    [
-      new(mainModelTransform, activeUIDoc.Document, elementsOnMainModel)
-    ];
+    Transform? mainModelTransform = _toSpeckleSettingsManager.GetReferencePointSetting(document, modelCard);
+    List<DocumentToConvert> documentElementContexts = [new(mainModelTransform, document, elementsOnMainModel)];

    // get the linked models setting - this decision belongs at this level
-    bool includeLinkedModels = _toSpeckleSettingsManager.GetLinkedModelsSetting(modelCard);
+    bool includeLinkedModels = _toSpeckleSettingsManager.GetLinkedModelsSetting(document, modelCard);

    // ⚠️ process linked models - RevitSendBinding controls the flow based on settings!
    // If setting not enabled, we won't unpack (see if-else block)
@@ -192,7 +191,12 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
        if (includeLinkedModels)
        {
          // handler is only responsible for element collection mechanics
-          var linkedElements = _linkedModelHandler.GetLinkedModelElements(modelCard.SendFilter, linkedDoc, transform);
+          var linkedElements = _linkedModelHandler.GetLinkedModelElements(
+            document,
+            modelCard.SendFilter,
+            linkedDoc,
+            transform
+          );
          linkedDocumentContexts.Add(new(transform, linkedDoc, linkedElements));
        }
        // ⚠️ when disabled, still adds empty contexts to maintain warning generation in RevitRootObjectBuilder
@@ -332,9 +336,14 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding

  private async Task PostSetObjectIds()
  {
+    var document = _revitContext.UIApplication?.ActiveUIDocument?.Document;
+    if (document == null)
+    {
+      return;
+    }
    foreach (var sender in _store.GetSenders().ToList())
    {
-      await RefreshElementsIdsOnSender(sender);
+      await RefreshElementsIdsOnSender(document, sender);
    }
  }

@@ -444,6 +453,7 @@ internal sealed class RevitSendBinding : RevitBaseBinding, ISendBinding
  private async Task OnDocumentChanged()
  {
    _sendConversionCache.ClearCache();
+    _revitToSpeckleCacheSingleton.ClearCache();

    if (_cancellationManager.NumberOfOperations > 0)
    {
@@ -34,18 +34,22 @@ public class LevelUnpacker
    Dictionary<string, LevelProxy> levelProxies = new();
    foreach (var element in elements)
    {
-      if (levelProxies.TryGetValue(element.LevelId.ToString(), out LevelProxy? levelProxy))
+      // NOTE: Use level.UniqueId (not element.LevelId) as key
+      // face-based instances don't have a valid element.LevelId, hence all the changes in the LevelExtractor
+      var level = _levelExtractor.GetLevel(element);
+      if (level is null)
+      {
+        continue;
+      }
+
+      string levelKey = level.UniqueId;
+
+      if (levelProxies.TryGetValue(levelKey, out LevelProxy? levelProxy))
      {
        levelProxy.objects.Add(element.UniqueId);
      }
      else
      {
-        var level = _levelExtractor.GetLevel(element);
-        if (level is null)
-        {
-          continue;
-        }
-
        var levelDataObject = new DataObject()
        {
          name = level.Name,
@@ -53,11 +57,11 @@ public class LevelUnpacker
          properties = _propertiesExtractor.GetProperties(level)
        };
        var unitSettings = _converterSettings.Current.Document.GetUnits();
-        var lengthUnitType = unitSettings.GetFormatOptions(Autodesk.Revit.DB.SpecTypeId.Length).GetUnitTypeId();
+        var lengthUnitType = unitSettings.GetFormatOptions(SpecTypeId.Length).GetUnitTypeId();
        levelDataObject["elevation"] = UnitUtils.ConvertFromInternalUnits(level.Elevation, lengthUnitType);
        levelDataObject["units"] = _converterSettings.Current.SpeckleUnits;

-        levelProxies[element.LevelId.ToString()] = new LevelProxy()
+        levelProxies[levelKey] = new LevelProxy()
        {
          applicationId = level.UniqueId,
          objects = [element.UniqueId],
@@ -3,7 +3,6 @@ using Autodesk.Revit.DB;
 using Speckle.Connectors.DUI.Models.Card.SendFilter;
 using Speckle.Connectors.RevitShared;
 using Speckle.Connectors.RevitShared.Operations.Send.Filters;
-using Speckle.Converters.RevitShared.Helpers;
 using Speckle.Sdk;
 using Speckle.Sdk.Common;

@@ -17,20 +16,19 @@ namespace Speckle.Connectors.Revit.HostApp;
 /// </summary>
 public class LinkedModelHandler
 {
-  private readonly RevitContext _revitContext;
  public Dictionary<string, string> LinkedModelDisplayNames { get; } = new();

-  public LinkedModelHandler(RevitContext revitContext)
-  {
-    _revitContext = revitContext;
-  }
-
  /// <summary>
  /// Gets elements from a linked document based on the provided send filter.
  /// This method handles the specifics of element collection but doesn't make decisions
  /// about whether the linked model should be processed - that's the caller's responsibility.
  /// </summary>
-  public List<Element> GetLinkedModelElements(ISendFilter sendFilter, Document linkedDocument, Transform? transform)
+  public List<Element> GetLinkedModelElements(
+    Document currentDocument,
+    ISendFilter sendFilter,
+    Document linkedDocument,
+    Transform? transform
+  )
  {
    // send mode → Categories
    if (sendFilter is RevitCategoriesFilter categoryFilter && categoryFilter.SelectedCategories is not null)
@@ -48,19 +46,15 @@ public class LinkedModelHandler
    }

    // send mode → Views (taken from the legacy code)
-    if (sendFilter is RevitViewsFilter viewFilter && viewFilter.GetView() != null)
+    if (sendFilter is RevitViewsFilter viewFilter && viewFilter.GetView(currentDocument) != null)
    {
-      RevitLinkInstance linkInstance = FindLinkInstanceForDocument(
-        linkedDocument.PathName,
-        _revitContext.UIApplication.NotNull().ActiveUIDocument.Document,
-        transform
-      );
+      RevitLinkInstance linkInstance = FindLinkInstanceForDocument(linkedDocument.PathName, currentDocument, transform);

 #if REVIT2024_OR_GREATER
      // revit 2024 and 2025 we can use the three-parameter constructor to get only visible elements
      using var viewCollector = new FilteredElementCollector(
-        _revitContext.UIApplication.ActiveUIDocument.Document,
-        viewFilter.GetView().NotNull().Id,
+        currentDocument,
+        viewFilter.GetView(currentDocument).NotNull().Id,
        linkInstance.Id
      );

@@ -70,7 +64,7 @@ public class LinkedModelHandler
      // 🚨 LIMITATION: in Revit 2023 and below, we can only check if the entire linked model is visible,
      // not individual elements within it. If the linked model is visible, all its elements will be included.
      // constructor overload pertaining to searching and filtering visible elements from a revit link only added 2024.
-      if (linkInstance.IsHidden(viewFilter.GetView().NotNull()))
+      if (linkInstance.IsHidden(viewFilter.GetView(currentDocument).NotNull()))
      {
        return new List<Element>(); // if the linked model is hidden, return no elements
      }
@@ -97,10 +97,12 @@ internal sealed class RevitDocumentStore : DocumentModelStore
    try
    {
      var key = GetKeyForDocument(document);
-      if (key != null)
+      if (key is null)
      {
-        _jsonCacheManager.UpdateObject(key, modelCardState);
+        LoadFromString(null);
+        return;
      }
+      _jsonCacheManager.UpdateObject(key, modelCardState);
    }
    catch (Exception ex) when (!ex.IsFatal())
    {
@@ -111,11 +113,17 @@ internal sealed class RevitDocumentStore : DocumentModelStore

  private string? GetKeyForDocument(Document doc)
  {
-    string? id = doc?.ProjectInformation?.UniqueId; //ProjectInformation Should only be null for family docs
-#if REVIT_2024_OR_GREATER
-    id ??= doc.CreationGUID.ToString(); //fallback for family docs
+#if REVIT2024_OR_GREATER
+    return doc.CreationGUID.ToString();
+#else
+    //basically, no document state will ever be saved when it's a new document.  It must be saved first for path name to be a valid value.
+    var x = doc.PathName;
+    if (string.IsNullOrEmpty(x))
+    {
+      return doc.Title;
+    }
+    return x;
 #endif
-    return id;
  }

  protected override void LoadState()
@@ -128,14 +136,12 @@ internal sealed class RevitDocumentStore : DocumentModelStore
    }

    var key = GetKeyForDocument(document);
-    if (key != null)
+    if (key is null)
    {
-      var state = _jsonCacheManager.GetObject(key);
-      if (state == null)
-      {
-        return;
-      }
-      LoadFromString(state);
+      LoadFromString(null);
+      return;
    }
+    var state = _jsonCacheManager.GetObject(key);
+    LoadFromString(state);
  }
 }
@@ -120,9 +120,14 @@ public class RevitMaterialBaker

      try
      {
+        // all values assumed to be on the 0 - 1 scale need to pass through this validation and logging (if assumption wrong)
+        double roughness = ClampToUnitRange(speckleRenderMaterial.roughness, "roughness", speckleRenderMaterial.name);
+        double opacity = ClampToUnitRange(speckleRenderMaterial.opacity, "opacity", speckleRenderMaterial.name);
+        double metalness = ClampToUnitRange(speckleRenderMaterial.metalness, "metalness", speckleRenderMaterial.name);
+
        var diffuse = System.Drawing.Color.FromArgb(speckleRenderMaterial.diffuse);
-        double transparency = 1 - speckleRenderMaterial.opacity;
-        double smoothness = 1 - speckleRenderMaterial.roughness;
+        double transparency = 1 - opacity;
+        double smoothness = 1 - roughness;
        string materialId = speckleRenderMaterial.applicationId ?? speckleRenderMaterial.id.NotNull();
        string matName = _revitUtils.RemoveInvalidChars($"{speckleRenderMaterial.name}-({materialId})-{baseLayerName}");

@@ -130,7 +135,7 @@ public class RevitMaterialBaker
        var revitMaterial = (Material)_converterSettings.Current.Document.GetElement(newMaterialId);
        revitMaterial.Color = new Color(diffuse.R, diffuse.G, diffuse.B);
        revitMaterial.Transparency = (int)(transparency * 100);
-        revitMaterial.Shininess = (int)(speckleRenderMaterial.metalness * 128);
+        revitMaterial.Shininess = (int)(metalness * 128);
        revitMaterial.Smoothness = (int)(smoothness * 128);

        foreach (var objectId in proxy.objects)
@@ -163,4 +168,30 @@ public class RevitMaterialBaker
      document.Delete(materialIds);
    }
  }
+
+  /// <summary>
+  /// After CNX-2661, we've seen some edge cases contradicting the expected 0 - 1 range for PRB properties.
+  /// Defensively, we'd rather clamp these values than throw.
+  /// </summary>
+  /// <remarks>
+  /// Created a method so that we can extend the checks to any numerical value potentially leading to a negative value,
+  /// which would throw an exception. Generalised method since Math.Clamp() only available since C# 8.0 and this method
+  /// handles logging (in the hope that we can get a better feel for these "weird" models, e.g. 0 - 100 scale??)
+  /// </remarks>
+  private double ClampToUnitRange(double value, string propertyName, string materialName)
+  {
+    if (value is < 0 or > 1)
+    {
+      _logger.LogWarning(
+        "Material '{MaterialName}' has an invalid {PropertyName} value of {Value} and was clamped to 0 - 1 range",
+        materialName,
+        propertyName,
+        value
+      );
+
+      value = Math.Min(Math.Max(0, value), 1);
+    }
+
+    return value;
+  }
 }
@@ -110,7 +110,8 @@ public sealed class RevitHostObjectBuilder(
    // TODO: TransformTo and material baking needs to be fixed in Revit!!

    // create a mapping from original to modified IDs <- so that we can actually map ids in the proxies to the objects
-    Dictionary<string, string> originalToModifiedIds = new();
+    // as part of CNX-2677, we have a one-to-many problem. many instances share the same reference, so we use a list
+    Dictionary<string, List<string>> originalToModifiedIds = new();

    // modify application IDs BEFORE material baking
    foreach (LocalToGlobalMap localToGlobalMap in localToGlobalMaps)
@@ -139,7 +140,13 @@ public sealed class RevitHostObjectBuilder(
        string modifiedAppId = $"{originalAppId}_{Guid.NewGuid().ToString("N")[..8]}";
        if (originalAppId != null)
        {
-          originalToModifiedIds[originalAppId] = modifiedAppId;
+          if (!originalToModifiedIds.TryGetValue(originalAppId, out List<string>? modifiedIds))
+          {
+            modifiedIds = new List<string>();
+            originalToModifiedIds[originalAppId] = modifiedIds;
+          }
+
+          modifiedIds.Add(modifiedAppId);
        }

        localToGlobalMap.AtomicObject.applicationId = modifiedAppId;
@@ -152,14 +159,20 @@ public sealed class RevitHostObjectBuilder(
    {
      foreach (var proxy in unpackedRoot.RenderMaterialProxies)
      {
-        var updatedObjects = new List<string>();
+        var objectIdsToUse = new List<string>();
        foreach (var objectId in proxy.objects)
        {
          // Use the modified ID if it exists, otherwise keep the original <- this SUCKS and we need to change
-          string idToUse = originalToModifiedIds.TryGetValue(objectId, out var modifiedId) ? modifiedId : objectId;
-          updatedObjects.Add(idToUse);
+          if (originalToModifiedIds.TryGetValue(objectId, out var modifiedIds))
+          {
+            objectIdsToUse.AddRange(modifiedIds);
+          }
+          else
+          {
+            objectIdsToUse.Add(objectId);
+          }
        }
-        proxy.objects = updatedObjects;
+        proxy.objects = objectIdsToUse;
      }
    }

@@ -11,14 +11,13 @@ namespace Speckle.Connectors.RevitShared.Operations.Send.Filters;
 public class RevitViewsFilter : DiscriminatedObject, ISendFilter, IRevitSendFilter
 {
  private RevitContext _revitContext;
-  private Document? _doc;
  public string Id { get; set; } = "revitViews";
  public string Name { get; set; } = "Views";
  public string Type { get; set; } = "Custom";
  public string? Summary { get; set; }
  public bool IsDefault { get; set; }
  public string? SelectedView { get; set; }
-  public List<string> SelectedObjectIds { get; set; }
+  public List<string> SelectedObjectIds { get; set; } = new();
  public Dictionary<string, string>? IdMap { get; set; } = new();
  public List<string>? AvailableViews { get; set; }

@@ -27,12 +26,14 @@ public class RevitViewsFilter : DiscriminatedObject, ISendFilter, IRevitSendFilt
  public RevitViewsFilter(RevitContext revitContext)
  {
    _revitContext = revitContext;
-    _doc = _revitContext.UIApplication?.ActiveUIDocument?.Document;
-
-    GetViews();
+    var doc = _revitContext.UIApplication?.ActiveUIDocument?.Document;
+    if (doc is not null)
+    {
+      GetViews(doc);
+    }
  }

-  public View? GetView()
+  public View? GetView(Document document)
  {
    if (SelectedView is null)
    {
@@ -42,7 +43,7 @@ public class RevitViewsFilter : DiscriminatedObject, ISendFilter, IRevitSendFilt
    var viewFamilyString = result[0];
    var viewString = result[1];

-    using var collector = new FilteredElementCollector(_doc);
+    using var collector = new FilteredElementCollector(document);
    return collector
      .OfClass(typeof(View))
      .Cast<View>()
@@ -56,7 +57,8 @@ public class RevitViewsFilter : DiscriminatedObject, ISendFilter, IRevitSendFilt
  /// <exception cref="SpeckleSendFilterException">Whenever no view is found.</exception>
  public List<string> RefreshObjectIds()
  {
-    if (SelectedView is null)
+    var document = _revitContext.UIApplication?.ActiveUIDocument?.Document;
+    if (SelectedView is null || document is null)
    {
      return [];
    }
@@ -66,7 +68,7 @@ public class RevitViewsFilter : DiscriminatedObject, ISendFilter, IRevitSendFilt
    var viewFamilyString = result[0];
    var viewString = result[1];

-    using var collector = new FilteredElementCollector(_doc);
+    using var collector = new FilteredElementCollector(document);
    View? view = collector
      .OfClass(typeof(View))
      .Cast<View>()
@@ -78,7 +80,7 @@ public class RevitViewsFilter : DiscriminatedObject, ISendFilter, IRevitSendFilt
      return [];
    }

-    IEnumerable<Element> elementsInView = GetFilteredElementsForView(view);
+    IEnumerable<Element> elementsInView = GetFilteredElementsForView(document, view);

    // NOTE: FilteredElementCollector() includes sweeps and reveals from a wall family's definition and includes them as additional objects
    // on this return. displayValue for Wall already includes these, therefore we end up with duplicate elements on wall sweeps
@@ -94,9 +96,9 @@ public class RevitViewsFilter : DiscriminatedObject, ISendFilter, IRevitSendFilt
    return objectIds;
  }

-  private void GetViews()
+  private void GetViews(Document document)
  {
-    using var collector = new FilteredElementCollector(_doc);
+    using var collector = new FilteredElementCollector(document);
    var views = collector
      .OfClass(typeof(View))
      .Cast<View>()
@@ -125,7 +127,6 @@ public class RevitViewsFilter : DiscriminatedObject, ISendFilter, IRevitSendFilt
  public void SetContext(RevitContext revitContext)
  {
    _revitContext = revitContext;
-    _doc = _revitContext.UIApplication?.ActiveUIDocument.Document;
  }

  // NOTE: Element collector returns parts and source elements even when Parts Visibility is set as "Show Parts" only.
@@ -161,9 +162,9 @@ public class RevitViewsFilter : DiscriminatedObject, ISendFilter, IRevitSendFilt
    return elementsToExclude;
  }

-  private IEnumerable<Element> GetFilteredElementsForView(View view)
+  private IEnumerable<Element> GetFilteredElementsForView(Document document, View view)
  {
-    using var viewCollector = new FilteredElementCollector(_doc, view.Id);
+    using var viewCollector = new FilteredElementCollector(document, view.Id);
    var allElements = viewCollector.ToElements();

    // parts filtering when view is set to show Parts only (and overwrites allElements)
@@ -183,6 +183,7 @@ public class RevitRootObjectBuilder(
            // non-transformed elements can safely rely on cache
            // TODO: Potential here to transform cached objects and NOT reconvert,
            // TODO: we wont do !hasTransform here, and re-set application id before this
+
            if (!hasTransform && sendConversionCache.TryGetValue(projectId, applicationId, out ObjectReference? value))
            {
              converted = value;
@@ -248,6 +249,17 @@ public class RevitRootObjectBuilder(
    var levelProxies = levelUnpacker.Unpack(flatElements);
    rootObject[ProxyKeys.LEVEL] = levelProxies;

+    rootObject[ProxyKeys.INSTANCE_DEFINITION] = revitToSpeckleCacheSingleton.GetInstanceDefinitionProxiesForObjects(
+      idsAndSubElementIds
+    );
+    rootObject.elements.Add(
+      new Collection()
+      {
+        elements = revitToSpeckleCacheSingleton.GetBaseObjectsForObjects(idsAndSubElementIds),
+        name = "revitInstancedObjects"
+      }
+    );
+
    // NOTE: these are currently not used anywhere, we'll skip them until someone calls for it back
    // rootObject[ProxyKeys.PARAMETER_DEFINITIONS] = _parameterDefinitionHandler.Definitions;

@@ -1,25 +1,21 @@
 using Autodesk.Revit.DB;
-using Autodesk.Revit.UI;
 using Microsoft.Extensions.Logging;
 using Speckle.Connectors.Common.Caching;
 using Speckle.Connectors.DUI.Models.Card;
 using Speckle.Connectors.Revit.HostApp;
-using Speckle.Converters.RevitShared.Helpers;
 using Speckle.Converters.RevitShared.Settings;
 using Speckle.InterfaceGenerator;
-using Speckle.Sdk;
 using Speckle.Sdk.Common;

 namespace Speckle.Connectors.Revit.Operations.Send.Settings;

 [GenerateAutoInterface]
-public class ToSpeckleSettingsManager : IToSpeckleSettingsManager
+public class ToSpeckleSettingsManager(
+  ISendConversionCache sendConversionCache,
+  ElementUnpacker elementUnpacker,
+  ILogger<ToSpeckleSettingsManager> logger
+) : IToSpeckleSettingsManager
 {
-  private readonly RevitContext _revitContext;
-  private readonly ISendConversionCache _sendConversionCache;
-  private readonly ElementUnpacker _elementUnpacker;
-  private readonly ILogger<ToSpeckleSettingsManager> _logger;
-
  // cache invalidation process run with ModelCardId since the settings are model specific
  private readonly Dictionary<string, DetailLevelType> _detailLevelCache = [];
  private readonly Dictionary<string, Transform?> _referencePointCache = [];
@@ -27,20 +23,7 @@ public class ToSpeckleSettingsManager : IToSpeckleSettingsManager
  private readonly Dictionary<string, bool?> _sendLinkedModelsCache = [];
  private readonly Dictionary<string, bool?> _sendRebarsAsVolumetricCache = [];

-  public ToSpeckleSettingsManager(
-    RevitContext revitContext,
-    ISendConversionCache sendConversionCache,
-    ElementUnpacker elementUnpacker,
-    ILogger<ToSpeckleSettingsManager> logger
-  )
-  {
-    _revitContext = revitContext;
-    _elementUnpacker = elementUnpacker;
-    _sendConversionCache = sendConversionCache;
-    _logger = logger;
-  }
-
-  public DetailLevelType GetDetailLevelSetting(SenderModelCard modelCard)
+  public DetailLevelType GetDetailLevelSetting(Document document, SenderModelCard modelCard)
  {
    var fidelityString =
      modelCard.Settings?.FirstOrDefault(s => s.Id == DetailLevelSetting.SETTING_ID)?.Value as string;
@@ -53,7 +36,7 @@ public class ToSpeckleSettingsManager : IToSpeckleSettingsManager
      {
        if (previousType != fidelity)
        {
-          EvictCacheForModelCard(modelCard);
+          EvictCacheForModelCard(document, modelCard);
        }
      }
      _detailLevelCache[modelCard.ModelCardId.NotNull()] = fidelity;
@@ -61,7 +44,7 @@ public class ToSpeckleSettingsManager : IToSpeckleSettingsManager
    }

    // log the issue
-    _logger.LogWarning(
+    logger.LogWarning(
      "Invalid detail level setting received: '{FidelityString}' for model {ModelCardId}, using default: {DefaultValue}",
      fidelityString,
      modelCard.ModelCardId,
@@ -74,7 +57,7 @@ public class ToSpeckleSettingsManager : IToSpeckleSettingsManager
    return defaultValue;
  }

-  public Transform? GetReferencePointSetting(ModelCard modelCard)
+  public Transform? GetReferencePointSetting(Document document, ModelCard modelCard)
  {
    var referencePointString =
      modelCard.Settings?.FirstOrDefault(s => s.Id == SendReferencePointSetting.SETTING_ID)?.Value as string;
@@ -88,14 +71,14 @@ public class ToSpeckleSettingsManager : IToSpeckleSettingsManager
    {
      // get the current transform from setting first
      // we are doing this because we can't track if reference points were changed between send operations.
-      Transform? currentTransform = GetTransform(referencePoint);
+      Transform? currentTransform = GetTransform(document, referencePoint);

      if (_referencePointCache.TryGetValue(modelCard.ModelCardId.NotNull(), out Transform? previousTransform))
      {
        // invalidate conversion cache if the transform has changed
        if (modelCard is SenderModelCard senderModelCard && previousTransform != currentTransform)
        {
-          EvictCacheForModelCard(senderModelCard);
+          EvictCacheForModelCard(document, senderModelCard);
        }
      }

@@ -104,7 +87,7 @@ public class ToSpeckleSettingsManager : IToSpeckleSettingsManager
    }

    // log the issue
-    _logger.LogWarning(
+    logger.LogWarning(
      "Invalid reference point setting received: '{ReferencePointString}' for model {ModelCardId}, using default: {DefaultValue}",
      referencePointString,
      modelCard.ModelCardId,
@@ -116,8 +99,9 @@ public class ToSpeckleSettingsManager : IToSpeckleSettingsManager
    return null;
  }

-  public bool GetSendParameterNullOrEmptyStringsSetting(SenderModelCard modelCard) =>
+  public bool GetSendParameterNullOrEmptyStringsSetting(Document document, SenderModelCard modelCard) =>
    GetBooleanSettingWithCache(
+      document,
      SendParameterNullOrEmptyStringsSetting.SETTING_ID,
      SendParameterNullOrEmptyStringsSetting.DEFAULT_VALUE,
      modelCard,
@@ -127,8 +111,9 @@ public class ToSpeckleSettingsManager : IToSpeckleSettingsManager

  // NOTE: Cache invalidation currently a placeholder until we have more understanding on the sends
  // TODO: Evaluate cache invalidation for GetLinkedModelsSetting
-  public bool GetLinkedModelsSetting(SenderModelCard modelCard) =>
+  public bool GetLinkedModelsSetting(Document document, SenderModelCard modelCard) =>
    GetBooleanSettingWithCache(
+      document,
      LinkedModelsSetting.SETTING_ID,
      LinkedModelsSetting.DEFAULT_VALUE,
      modelCard,
@@ -136,8 +121,9 @@ public class ToSpeckleSettingsManager : IToSpeckleSettingsManager
      "Linked models"
    );

-  public bool GetSendRebarsAsVolumetric(SenderModelCard modelCard) =>
+  public bool GetSendRebarsAsVolumetric(Document document, SenderModelCard modelCard) =>
    GetBooleanSettingWithCache(
+      document,
      SendRebarsAsVolumetricSetting.SETTING_ID,
      SendRebarsAsVolumetricSetting.DEFAULT_VALUE,
      modelCard,
@@ -149,6 +135,7 @@ public class ToSpeckleSettingsManager : IToSpeckleSettingsManager
  /// Helper method to handle boolean settings with caching and logging
  /// </summary>
  private bool GetBooleanSettingWithCache(
+    Document document,
    string settingId,
    bool defaultValue,
    SenderModelCard modelCard,
@@ -163,7 +150,7 @@ public class ToSpeckleSettingsManager : IToSpeckleSettingsManager
    {
      if (previousValue != returnValue)
      {
-        EvictCacheForModelCard(modelCard);
+        EvictCacheForModelCard(document, modelCard);
      }
    }

@@ -173,7 +160,7 @@ public class ToSpeckleSettingsManager : IToSpeckleSettingsManager
    // respected (linked models disabled but still sent linked models), I think we should note this occurence so we know
    if (settingValue == null)
    {
-      _logger.LogWarning(
+      logger.LogWarning(
        "{SettingName} setting was null for model {ModelCardId}, using default: {DefaultValue}",
        settingName,
        modelCard.ModelCardId,
@@ -184,71 +171,59 @@ public class ToSpeckleSettingsManager : IToSpeckleSettingsManager
    return returnValue;
  }

-  private void EvictCacheForModelCard(SenderModelCard modelCard)
+  private void EvictCacheForModelCard(Document document, SenderModelCard modelCard)
  {
-    var doc = _revitContext.UIApplication?.ActiveUIDocument?.Document;
-    if (doc == null)
-    {
-      throw new SpeckleException("Unable to retrieve active UI document");
-    }
-    var objectIds = modelCard.SendFilter != null ? modelCard.SendFilter.NotNull().SelectedObjectIds : [];
-    var unpackedObjectIds = _elementUnpacker.GetUnpackedElementIds(objectIds, doc);
-    _sendConversionCache.EvictObjects(unpackedObjectIds);
+    var objectIds = modelCard.SendFilter?.SelectedObjectIds ?? [];
+    var unpackedObjectIds = elementUnpacker.GetUnpackedElementIds(objectIds, document);
+    sendConversionCache.EvictObjects(unpackedObjectIds);
  }

-  private Transform? GetTransform(ReferencePointType referencePointType)
+  private Transform? GetTransform(Document document, ReferencePointType referencePointType)
  {
    Transform? referencePointTransform = null;

-    if (_revitContext.UIApplication is UIApplication uiApplication)
+    // first get the main doc base points and reference setting transform
+    using FilteredElementCollector filteredElementCollector = new(document);
+    var points = filteredElementCollector.OfClass(typeof(BasePoint)).Cast<BasePoint>().ToList();
+    BasePoint? projectPoint = points.FirstOrDefault(o => !o.IsShared);
+    BasePoint? surveyPoint = points.FirstOrDefault(o => o.IsShared);
+
+    switch (referencePointType)
    {
-      // first get the main doc base points and reference setting transform
-      using FilteredElementCollector filteredElementCollector = new(uiApplication.ActiveUIDocument.Document);
-      var points = filteredElementCollector.OfClass(typeof(BasePoint)).Cast<BasePoint>().ToList();
-      BasePoint? projectPoint = points.FirstOrDefault(o => !o.IsShared);
-      BasePoint? surveyPoint = points.FirstOrDefault(o => o.IsShared);
+      // note that the project base (ui) rotation is registered on the survey pt, not on the base point
+      case ReferencePointType.ProjectBase:
+        if (projectPoint is not null)
+        {
+          referencePointTransform = Transform.CreateTranslation(projectPoint.Position);
+        }
+        else
+        {
+          throw new InvalidOperationException("Couldn't retrieve Project Point from document");
+        }
+        break;

-      switch (referencePointType)
-      {
-        // note that the project base (ui) rotation is registered on the survey pt, not on the base point
-        case ReferencePointType.ProjectBase:
-          if (projectPoint is not null)
-          {
-            referencePointTransform = Transform.CreateTranslation(projectPoint.Position);
-          }
-          else
-          {
-            throw new InvalidOperationException("Couldn't retrieve Project Point from document");
-          }
-          break;
+      // note that the project base (ui) rotation is registered on the survey pt, not on the base point
+      case ReferencePointType.Survey:
+        if (surveyPoint is not null && projectPoint is not null)
+        {
+          // POC: should a null angle resolve to 0?
+          // retrieve the survey point rotation from the project point
+          var angle = projectPoint.get_Parameter(BuiltInParameter.BASEPOINT_ANGLETON_PARAM)?.AsDouble() ?? 0;

-        // note that the project base (ui) rotation is registered on the survey pt, not on the base point
-        case ReferencePointType.Survey:
-          if (surveyPoint is not null && projectPoint is not null)
-          {
-            // POC: should a null angle resolve to 0?
-            // retrieve the survey point rotation from the project point
-            var angle = projectPoint.get_Parameter(BuiltInParameter.BASEPOINT_ANGLETON_PARAM)?.AsDouble() ?? 0;
+          // POC: following disposed incorrectly or early or maybe a false negative?
+          using Transform translation = Transform.CreateTranslation(surveyPoint.Position);
+          referencePointTransform = translation.Multiply(Transform.CreateRotation(XYZ.BasisZ, angle));
+        }
+        else
+        {
+          throw new InvalidOperationException("Couldn't retrieve Survey and Project Point from document");
+        }
+        break;

-            // POC: following disposed incorrectly or early or maybe a false negative?
-            using Transform translation = Transform.CreateTranslation(surveyPoint.Position);
-            referencePointTransform = translation.Multiply(Transform.CreateRotation(XYZ.BasisZ, angle));
-          }
-          else
-          {
-            throw new InvalidOperationException("Couldn't retrieve Survey and Project Point from document");
-          }
-          break;
-
-        case ReferencePointType.InternalOrigin:
-          break;
-      }
-
-      return referencePointTransform;
+      case ReferencePointType.InternalOrigin:
+        break;
    }

-    throw new InvalidOperationException(
-      "Revit Context UI Application was null when retrieving reference point transform."
-    );
+    return referencePointTransform;
  }
 }
@@ -325,9 +325,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.logging": {
@@ -337,7 +337,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.rhino7": {
@@ -347,6 +347,29 @@
          "Speckle.Converters.Common": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -379,38 +402,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -325,9 +325,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.logging": {
@@ -337,7 +337,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.rhino8": {
@@ -346,6 +346,29 @@
          "Speckle.Converters.Common": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -378,38 +401,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -64,6 +64,13 @@ public class CreateCollection : VariableParameterComponentBase
      }
    }

+    // validate for duplicate application IDs across the entire collection hierarchy
+    if (HasDuplicateApplicationIds(rootCollection))
+    {
+      AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "The same object(s) cannot appear in multiple collections");
+      return; // error already added in validation method
+    }
+
    dataAccess.SetData(0, new SpeckleCollectionWrapperGoo(rootCollection));
  }

@@ -182,6 +189,54 @@ public class CreateCollection : VariableParameterComponentBase
    }
  }

+  /// <summary>
+  /// Validates that all application IDs are unique across the entire collection hierarchy.
+  /// Shows an error if duplicates are found, indicating objects appear in multiple collections.
+  /// </summary>
+  /// <returns>True if duplicates exist, false if all IDs are unique</returns>
+  private bool HasDuplicateApplicationIds(SpeckleCollectionWrapper rootCollection)
+  {
+    // args to CheckForDuplicateApplicationIds passed in since the method can recursively check
+    var seenIds = new HashSet<string>();
+    var duplicateIds = new HashSet<string>();
+
+    // iterate, create hash set and check all application IDs
+    ProcessAndCheckForDuplicateApplicationIds(rootCollection, seenIds, duplicateIds);
+
+    return duplicateIds.Count > 0;
+  }
+
+  /// <summary>
+  /// Recursively collects application IDs from all in the collection hierarchy.
+  /// </summary>
+  /// <remarks>
+  /// Only checks the wrapper's ApplicationId, not for example geometries within DataObjects.
+  /// </remarks>
+  private void ProcessAndCheckForDuplicateApplicationIds(
+    SpeckleCollectionWrapper collection,
+    HashSet<string> seenIds,
+    HashSet<string> duplicateIds
+  )
+  {
+    foreach (var element in collection.Elements)
+    {
+      switch (element)
+      {
+        case SpeckleCollectionWrapper childCollection:
+          // recurse into child collections
+          ProcessAndCheckForDuplicateApplicationIds(childCollection, seenIds, duplicateIds);
+          break;
+
+        case SpeckleWrapper wrapper:
+          if (wrapper.ApplicationId != null && !seenIds.Add(wrapper.ApplicationId))
+          {
+            duplicateIds.Add(wrapper.ApplicationId);
+          }
+          break;
+      }
+    }
+  }
+
  // IGH_VariableParameterComponent implementation
  public override bool CanInsertParameter(GH_ParameterSide side, int index) => side == GH_ParameterSide.Input;

@@ -34,8 +34,7 @@ public class CreateSpeckleProperties : VariableParameterComponentBase
    pManager.AddParameter(param);
  }

-  protected override void RegisterOutputParams(GH_OutputParamManager pManager)
-  {
+  protected override void RegisterOutputParams(GH_OutputParamManager pManager) =>
    pManager.AddParameter(
      new SpecklePropertyGroupParam(),
      "Properties",
@@ -43,7 +42,6 @@ public class CreateSpeckleProperties : VariableParameterComponentBase
      "Properties for Speckle Objects",
      GH_ParamAccess.item
    );
-  }

  protected override void SolveInstance(IGH_DataAccess da)
  {
@@ -67,8 +65,7 @@ public class CreateSpeckleProperties : VariableParameterComponentBase
    {
      var paramName = Params.Input[i].NickName;

-      var data = Params.Input[i].VolatileData.AllData(true).ToList();
-      if (data.Count == 0)
+      if (Params.Input[i].VolatileDataCount == 0)
      {
        continue;
      }
@@ -165,13 +162,12 @@ public class CreateSpeckleProperties : VariableParameterComponentBase
      Params.RegisterInputParam(param);
    }

+    Params.OnParametersChanged();
    ExpireSolution(true);
  }

-  protected override void WriteComponentSpecificData(GH_IWriter writer)
-  {
+  protected override void WriteComponentSpecificData(GH_IWriter writer) =>
    writer.SetBoolean("CreateEmptyProperties", CreateEmptyProperties);
-  }

  protected override void ReadComponentSpecificData(GH_IReader reader)
  {
@@ -89,7 +89,7 @@ public class QuerySpeckleObjects : GH_Component, IGH_VariableParameterComponent
  private List<int>? _outputFilterIndices;

  // Caches the list of all objects by geometrybase type
-  private readonly Dictionary<ObjectType, List<SpeckleGeometryWrapper>> _filterDict = new();
+  private readonly Dictionary<ObjectType, List<SpeckleGeometryWrapper>> _filterDict = [];

  protected override void SolveInstance(IGH_DataAccess dataAccess)
  {
@@ -104,6 +104,9 @@ public class QuerySpeckleObjects : GH_Component, IGH_VariableParameterComponent
    string path = "";
    dataAccess.GetData(1, ref path);

+    // ensure fresh data for type-specific outputs
+    _filterDict.Clear();
+
    // filter by collection path
    // Note: the collection paths selector will omit the target collection from the path of nested collections.
    // the discard ("_objects") will be used to indicate objects found directly in the target collection.
@@ -127,10 +130,7 @@ public class QuerySpeckleObjects : GH_Component, IGH_VariableParameterComponent

    // sort geometry objects by filters
    var geometryObjects = filteredObjects.OfType<SpeckleGeometryWrapper>().ToList();
-    if (_filterDict.Count == 0)
-    {
-      SortObjectsByGeometryBaseType(geometryObjects);
-    }
+    SortObjectsByGeometryBaseType(geometryObjects);

    // Set output objects
    for (int i = 0; i < Params.Output.Count; i++)
@@ -173,13 +173,13 @@ public class QuerySpeckleObjects : GH_Component, IGH_VariableParameterComponent
  {
    if (_filterDict.Count > 0)
    {
-      AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, $"Stored input objects are in an invalid state.");
+      AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Stored input objects are in an invalid state");
      return;
    }

    foreach (ObjectType filter in Filters)
    {
-      _filterDict.Add(filter, new());
+      _filterDict.Add(filter, []);
    }

    foreach (var wrapper in objs)
@@ -233,7 +233,7 @@ public class QuerySpeckleObjects : GH_Component, IGH_VariableParameterComponent
    // repopulate current output params if needed
    if (_outputFilterIndices is null)
    {
-      _outputFilterIndices = new();
+      _outputFilterIndices = [];
      foreach (var output in Params.Output)
      {
        if (Enum.TryParse(output.Name, out ObjectType filter))
@@ -289,8 +289,5 @@ public class QuerySpeckleObjects : GH_Component, IGH_VariableParameterComponent
    base.RemovedFromDocument(document);
  }

-  private void OnParameterSourceChanged(object sender, GH_ParamServerEventArgs args) =>
-    // an empty filter dict will trigger the SortObjectsByGeometryBaseType method.
-    // we only want to re-sort objects if an input has changed, not on every trigger of solve instance.
-    _filterDict.Clear();
+  private void OnParameterSourceChanged(object sender, GH_ParamServerEventArgs args) { }
 }
@@ -103,7 +103,7 @@ public class SpeckleDataObjectPassthrough()
    List<SpeckleGeometryWrapperGoo> inputGeometry = new();
    if (!da.GetDataList(1, inputGeometry) && result == null)
    {
-      AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, $"Pass in a Speckle DataObject or Geometries.");
+      AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Pass in a Speckle DataObject or Geometries");
      return;
    }

@@ -111,7 +111,7 @@ public class SpeckleDataObjectPassthrough()
    {
      if (inputGeo.Value is SpeckleBlockInstanceWrapper)
      {
-        AddRuntimeMessage(GH_RuntimeMessageLevel.Error, $"DataObjects cannot contain Block Instances.");
+        AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "DataObjects cannot contain Block Instances");
        return;
      }
    }
@@ -158,6 +158,10 @@ public class SpeckleDataObjectPassthrough()
      result.Properties = inputProperties;
    }

+    // generate application ID for new data objects. Unlike SpeckleGeometry, DataObject wrappers aren't created
+    // through casting (which auto-generates IDs), so we must explicitly ensure an ID exists here
+    result.ApplicationId ??= Guid.NewGuid().ToString();
+
    // get the path
    string? path =
      result.Path.Count > 1 ? string.Join(Constants.LAYER_PATH_DELIMITER, result.Path) : result.Path.FirstOrDefault();
@@ -138,7 +138,7 @@ public class SpeckleGeometryPassthrough()

    if (result == null && inputGeometry == null)
    {
-      AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, $"Pass in a Speckle Geometry or Geometry.");
+      AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Pass in a Speckle Geometry or Geometry");
      return;
    }

@@ -1,4 +1,5 @@
 using System.Runtime.InteropServices;
+using GH_IO.Serialization;
 using Grasshopper.GUI;
 using Grasshopper.GUI.Canvas;
 using Grasshopper.Kernel;
@@ -297,6 +298,32 @@ public class ReceiveAsyncComponent : GH_AsyncComponent<ReceiveAsyncComponent>
      AddRuntimeMessage(GH_RuntimeMessageLevel.Error, e.ToFormattedString());
    }
  }
+
+  public override bool Write(GH_IWriter writer)
+  {
+    // call base implementation first
+    var result = base.Write(writer);
+
+    // persist AutoReceive setting
+    writer.SetBoolean("AutoReceive", AutoReceive);
+
+    return result;
+  }
+
+  public override bool Read(GH_IReader reader)
+  {
+    // call base implementation first
+    var result = base.Read(reader);
+
+    // restore AutoReceive setting
+    bool autoReceive = false;
+    if (reader.TryGetBoolean("AutoReceive", ref autoReceive))
+    {
+      AutoReceive = autoReceive;
+    }
+
+    return result;
+  }
 }

 public sealed class ReceiveComponentWorker : WorkerInstance<ReceiveAsyncComponent>
@@ -1,5 +1,6 @@
 using Grasshopper.Kernel;
 using Microsoft.Extensions.DependencyInjection;
+using Rhino;
 using Speckle.Connectors.Common;
 using Speckle.Connectors.Common.Analytics;
 using Speckle.Connectors.Common.Operations;
@@ -12,6 +13,7 @@ using Speckle.Connectors.GrasshopperShared.Properties;
 using Speckle.Connectors.GrasshopperShared.Registration;
 using Speckle.Sdk;
 using Speckle.Sdk.Api;
+using Speckle.Sdk.Api.GraphQL.Models;
 using Speckle.Sdk.Credentials;
 using Speckle.Sdk.Models.Collections;

@@ -31,11 +33,20 @@ public class ReceiveComponentInput

 public class ReceiveComponentOutput
 {
-  public SpeckleCollectionWrapperGoo RootObject { get; set; }
+  /// <remarks>
+  /// Made nullable as output can be null when Run = false or on error
+  /// </remarks>
+  public SpeckleCollectionWrapperGoo? RootObject { get; set; }
 }

 public class ReceiveComponent : SpeckleTaskCapableComponent<ReceiveComponentInput, ReceiveComponentOutput>
 {
+  private IClient? _apiClient;
+  private string? _lastVersionId;
+  private SpeckleUrlModelResource? _lastResource;
+  public override Guid ComponentGuid => new("74954F59-B1B7-41FD-97DE-4C6B005F2801");
+  protected override Bitmap Icon => Resources.speckle_operations_syncload;
+
  public ReceiveComponent()
    : base(
      "(Sync) Load",
@@ -45,9 +56,6 @@ public class ReceiveComponent : SpeckleTaskCapableComponent<ReceiveComponentInpu
      ComponentCategories.DEVELOPER
    ) { }

-  public override Guid ComponentGuid => new("74954F59-B1B7-41FD-97DE-4C6B005F2801");
-  protected override Bitmap Icon => Resources.speckle_operations_syncload;
-
  protected override void RegisterInputParams(GH_InputParamManager pManager)
  {
    pManager.AddParameter(new SpeckleUrlModelResourceParam(GH_ParamAccess.item));
@@ -77,19 +85,28 @@ public class ReceiveComponent : SpeckleTaskCapableComponent<ReceiveComponentInpu
    bool run = false;
    da.GetData(1, ref run);

-    return new(url, run);
+    if (run)
+    {
+      SetupSubscription(url);
+    }
+    else
+    {
+      CleanupSubscription();
+    }
+
+    return new ReceiveComponentInput(url, run);
  }

  protected override void SetOutput(IGH_DataAccess da, ReceiveComponentOutput result)
  {
    if (result.RootObject is null)
    {
-      Message = "Not Loaded";
+      Message = _apiClient != null ? "Monitoring" : "Not Loaded";
    }
    else
    {
      da.SetData(0, result.RootObject);
-      Message = "Done";
+      Message = _apiClient != null ? "Loaded" : "Done";
    }
  }

@@ -107,11 +124,11 @@ public class ReceiveComponent : SpeckleTaskCapableComponent<ReceiveComponentInpu
        GH_RuntimeMessageLevel.Error,
        "Only one model can be loaded at a time. To load to multiple models, please use different load components."
      );
-      return new();
+      return new ReceiveComponentOutput();
    }
    if (!input.Run)
    {
-      return new();
+      return new ReceiveComponentOutput();
    }

    using var scope = PriorityLoader.CreateScopeForActiveDocument();
@@ -129,6 +146,9 @@ public class ReceiveComponent : SpeckleTaskCapableComponent<ReceiveComponentInpu
    using var client = clientFactory.Create(account);
    var receiveInfo = await input.Resource.GetReceiveInfo(client, cancellationToken).ConfigureAwait(false);

+    // store version id for tracking
+    _lastVersionId = receiveInfo.SelectedVersionId;
+
    var progress = new Progress<CardProgress>(_ =>
    {
      // TODO: Progress only makes sense in non-blocking async receive, which is not supported yet.
@@ -195,4 +215,116 @@ public class ReceiveComponent : SpeckleTaskCapableComponent<ReceiveComponentInpu
    var goo = new SpeckleCollectionWrapperGoo(collectionRebuilder.RootCollectionWrapper);
    return new ReceiveComponentOutput { RootObject = goo };
  }
+
+  private void SetupSubscription(SpeckleUrlModelResource resource)
+  {
+    // skip if already subscribed to this resource
+    if (_apiClient != null && _lastResource != null && _lastResource.Equals(resource))
+    {
+      return;
+    }
+
+    // only subscribe for Model URLs (not specific versions)
+    if (resource is SpeckleUrlModelVersionResource)
+    {
+      CleanupSubscription();
+      _lastResource = resource;
+      return;
+    }
+
+    try
+    {
+      CleanupSubscription(); // clean up old subscription first
+
+      using var scope = PriorityLoader.CreateScopeForActiveDocument();
+      var account = resource.Account.GetAccount(scope);
+      if (account == null)
+      {
+        return;
+      }
+
+      _apiClient = scope.Get<IClientFactory>().Create(account);
+      _apiClient.Subscription.CreateProjectVersionsUpdatedSubscription(resource.ProjectId).Listeners +=
+        OnVersionCreated;
+
+      _lastResource = resource;
+      Message = "Monitoring";
+    }
+    catch (Exception ex) when (!ex.IsFatal())
+    {
+      AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, $"Could not setup monitoring: {ex.Message}");
+    }
+  }
+
+  private void OnVersionCreated(object? sender, ProjectVersionsUpdatedMessage e) =>
+    // new version detected - trigger reload
+    RhinoApp.InvokeOnUiThread(
+      (Action)
+        delegate
+        {
+          ExpireSolution(true);
+        }
+    );
+
+  private void CleanupSubscription()
+  {
+    if (_apiClient != null && _lastResource != null)
+    {
+      try
+      {
+        _apiClient.Subscription.CreateProjectVersionsUpdatedSubscription(_lastResource.ProjectId).Listeners -=
+          OnVersionCreated;
+      }
+      catch (Exception ex) when (!ex.IsFatal())
+      {
+        // ignore cleanup errors
+      }
+
+      _apiClient.Dispose();
+      _apiClient = null;
+    }
+  }
+
+  // Cleanup on removal
+  public override void RemovedFromDocument(GH_Document document)
+  {
+    CleanupSubscription();
+    base.RemovedFromDocument(document);
+  }
+
+  // Handle document context changes
+  public override void DocumentContextChanged(GH_Document document, GH_DocumentContext context)
+  {
+    if (context == GH_DocumentContext.Unloaded)
+    {
+      CleanupSubscription();
+    }
+    else if (context == GH_DocumentContext.Loaded && _lastResource != null && _apiClient != null)
+    {
+      // Check for version changes when document reopens
+      Task.Run(async () =>
+      {
+        try
+        {
+          var receiveInfo = await _lastResource.GetReceiveInfo(_apiClient);
+          if (receiveInfo.SelectedVersionId != _lastVersionId)
+          {
+            RhinoApp.InvokeOnUiThread(
+              (Action)
+                delegate
+                {
+                  ExpireSolution(true);
+                }
+            );
+          }
+        }
+        catch (Exception ex) when (!ex.IsFatal())
+        {
+          // ignore errors during background check
+        }
+      });
+    }
+
+    base.DocumentContextChanged(document, context);
+  }
 }
@@ -87,6 +87,7 @@ public class SpeckleSelectModelComponent : GH_Component
      string? urlInput = null;

      // SCENARIO 1: Component has input wire connected
+
      if (da.GetData(0, ref urlInput))
      {
        UrlInput = urlInput;
@@ -99,6 +100,11 @@ public class SpeckleSelectModelComponent : GH_Component
          return;
        }

+        if (_justPastedIn)
+        {
+          RestoreAccountFromStoredState();
+        }
+
        try
        {
          // NOTE: once we split the logic in Sender and Receiver components, we need to set flag correctly
@@ -132,22 +138,9 @@ public class SpeckleSelectModelComponent : GH_Component
        _storedUserId = SpeckleOperationWizard.SelectedAccount?.id;
      }

-      if (_justPastedIn && _storedUserId != null && !string.IsNullOrEmpty(_storedUserId))
+      if (_justPastedIn)
      {
-        try
-        {
-          SpeckleOperationWizard.SetAccountFromId(_storedUserId);
-        }
-        catch (SpeckleAccountManagerException e)
-        {
-          // Swallow and move onto checking server.
-          Console.WriteLine(e);
-        }
-
-        if (_storedServer != null && SpeckleOperationWizard.SelectedAccount == null)
-        {
-          SpeckleOperationWizard.SetAccountFromIdAndUrl(_storedUserId, _storedServer);
-        }
+        RestoreAccountFromStoredState();
      }

      // Validate backing data
@@ -396,4 +389,39 @@ public class SpeckleSelectModelComponent : GH_Component
    VersionContextMenuButton.ExpirePreview(redraw);
    base.ExpirePreview(redraw);
  }
+
+  /// <summary>
+  /// Restores the account from stored state when the component is pasted or loaded from file.
+  /// </summary>
+  /// <remarks>
+  /// Attempts to restore account in two stages:
+  /// <list type="number">
+  /// <item>First tries to get account by stored user ID</item>
+  /// <item>If that fails and server url is available, falls back to getting any account matching the server</item>
+  /// </list>
+  /// Only executes when <see cref="_justPastedIn"/> is true and <see cref="_storedUserId"/> is not empty.
+  /// </remarks>
+  private void RestoreAccountFromStoredState()
+  {
+    if (_storedUserId is null || string.IsNullOrEmpty(_storedUserId))
+    {
+      return;
+    }
+
+    try
+    {
+      SpeckleOperationWizard.SetAccountFromId(_storedUserId);
+    }
+    catch (SpeckleAccountManagerException e)
+    {
+      Console.WriteLine(e);
+    }
+
+    // Fallback: if account wasn't found by ID but we have a server URL,
+    // try to find any account matching that server
+    if (_storedServer != null && SpeckleOperationWizard.SelectedAccount == null)
+    {
+      SpeckleOperationWizard.SetAccountFromIdAndUrl(_storedUserId, _storedServer);
+    }
+  }
 }
@@ -79,22 +79,40 @@ public class SpeckleOperationWizard
    var resources = SpeckleResourceBuilder.FromUrlString(input, token);
    if (resources.Length == 0)
    {
-      throw new SpeckleException($"Input url string was empty");
+      throw new SpeckleException("Input url string was empty");
    }

    if (resources.Length > 1)
    {
-      throw new SpeckleException($"Input multi-model url is not supported");
+      throw new SpeckleException("Input multi-model url is not supported");
    }

    var resource = resources.First();
    using var scope = PriorityLoader.CreateScopeForActiveDocument();
-    var account = resource.Account.GetAccount(scope);
-    SetAccount(account, false);
+    var urlDerivedAccount = resource.Account.GetAccount(scope);

+    // if no account is selected, happily go through the url derived account approach
    if (SelectedAccount == null)
    {
-      throw new SpeckleException("No account found for server URL");
+      SetAccount(urlDerivedAccount, false);
+    }
+    // if we have an account from right-click context-menu, we rely on that and just validate that it's actually applicable to that server
+    else if (urlDerivedAccount != null && SelectedAccount.serverInfo.url != urlDerivedAccount.serverInfo.url)
+    {
+      throw new SpeckleException(
+        $"Selected account is for '{SelectedAccount.serverInfo.url}' "
+          + $"but URL requires '{urlDerivedAccount.serverInfo.url}'"
+      );
+    }
+
+    // we have both scenarios covered
+    // Scenario #1 - default account from url
+    // Scenario #2 - triggered by account switch on right-click context (and validated)
+    if (SelectedAccount == null)
+    {
+      throw new SpeckleException(
+        $"No appropriate account found for the given '{urlDerivedAccount?.serverInfo.url}' server"
+      );
    }

    IClient client = _clientFactory.Create(SelectedAccount);
@@ -11,6 +11,7 @@ namespace Speckle.Connectors.GrasshopperShared.Parameters;
 /// </summary>
 public class SpeckleOutputParam : Param_GenericObject
 {
+  public override GH_Exposure Exposure => GH_Exposure.hidden;
  public override Guid ComponentGuid => new("D2B4713D-FE8B-4EF0-8445-B6096DB15B24");

  public override void AppendAdditionalMenuItems(ToolStripDropDown menu)
@@ -52,6 +52,7 @@ public class SpeckleVariableParam : Param_GenericObject
    }
  }

+  public override GH_Exposure Exposure => GH_Exposure.hidden;
  public override Guid ComponentGuid => new("A1B2C3D4-E5F6-7890-ABCD-123456789ABC");

  public override void AppendAdditionalMenuItems(ToolStripDropDown menu)
@@ -4,6 +4,7 @@ using Rhino;
 using Rhino.Display;
 using Rhino.DocObjects;
 using Rhino.Geometry;
+using Speckle.Connectors.GrasshopperShared.HostApp;
 using Speckle.Sdk.Models;

 namespace Speckle.Connectors.GrasshopperShared.Parameters;
@@ -27,7 +28,25 @@ public class SpeckleGeometryWrapper : SpeckleWrapper, ISpeckleCollectionObject
  // The list of layer/collection names that forms the full path to this object
  public List<string> Path { get; set; } = new();
  public SpeckleCollectionWrapper? Parent { get; set; }
-  public SpecklePropertyGroupGoo Properties { get; set; } = new();
+
+  /// <summary>
+  /// Properties that stay synchronized with Base["properties"]
+  /// </summary>
+  public SpecklePropertyGroupGoo Properties
+  {
+    get
+    {
+      // always create from Base["properties"] like SpeckleDataObjectWrapper does
+      if (Base[Constants.PROPERTIES_PROP] is Dictionary<string, object?> baseProps)
+      {
+        return new SpecklePropertyGroupGoo(baseProps);
+      }
+      return new SpecklePropertyGroupGoo(); // return empty if no properties
+    }
+    set =>
+      // unwrap and store in Base["properties"] like SpeckleDataObjectWrapper does
+      Base[Constants.PROPERTIES_PROP] = value.Unwrap();
+  }

  /// <summary>
  /// The color of the <see cref="Base"/>
@@ -306,9 +306,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -341,7 +341,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.rhino7": {
@@ -351,6 +351,29 @@
          "Speckle.Converters.Common": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "GrasshopperAsyncComponent": {
        "type": "CentralTransitive",
        "requested": "[2.0.3, )",
@@ -399,38 +422,6 @@
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
-      },
      "System.Resources.Extensions": {
        "type": "CentralTransitive",
        "requested": "[9.0.4, )",
@@ -306,9 +306,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -341,7 +341,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.rhino8": {
@@ -350,6 +350,29 @@
          "Speckle.Converters.Common": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "GrasshopperAsyncComponent": {
        "type": "CentralTransitive",
        "requested": "[2.0.3, )",
@@ -398,38 +421,6 @@
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
-      },
      "System.Resources.Extensions": {
        "type": "CentralTransitive",
        "requested": "[9.0.4, )",
@@ -235,9 +235,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -261,7 +261,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
      "speckle.converters.rhino8": {
@@ -270,6 +270,27 @@
          "Speckle.Converters.Common": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -308,36 +329,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    },
    "net8.0-windows7.0/win-x64": {
@@ -83,7 +83,7 @@ public sealed class RhinoSendBinding : ISendBinding
    _sendOperationManagerFactory = sendOperationManagerFactory;
    _rhinoLayerHelper = rhinoLayerHelper;
    Commands = new SendBindingUICommands(parent); // POC: Commands are tightly coupled with their bindings, at least for now, saves us injecting a factory.
-    PreviousUnitSystem = RhinoDoc.ActiveDoc.ModelUnitSystem;
+    PreviousUnitSystem = RhinoDoc.ActiveDoc?.ModelUnitSystem ?? UnitSystem.None;
    SubscribeToRhinoEvents();
  }

@@ -104,10 +104,10 @@ public class RhinoInstanceBaker : IInstanceBaker<IReadOnlyCollection<string>>
            attributes
          );

-          // POC: check on defIndex -1, means we haven't created anything - this is most likely an recoverable error at this stage
+          // POC: check on defIndex -1, means we haven't created anything - this is most likely an unrecoverable error at this stage
          if (defIndex == -1)
          {
-            throw new ConversionException("Failed to create an instance defintion object.");
+            throw new ConversionException("Failed to create an instance definition object.");
          }

          if (definitionProxy.applicationId != null)
@@ -170,9 +170,13 @@ public class RhinoInstanceBaker : IInstanceBaker<IReadOnlyCollection<string>>
  public void PurgeInstances(string namePrefix)
  {
    var currentDoc = RhinoDoc.ActiveDoc; // POC: too much right now to interface around
+
+    // clean name prefix to match how block names are created
+    var cleanedPrefix = RhinoUtils.CleanBlockDefinitionName(namePrefix);
+
    foreach (var definition in currentDoc.InstanceDefinitions)
    {
-      if (!definition.IsDeleted && definition.Name.Contains(namePrefix))
+      if (!definition.IsDeleted && definition.Name.Contains(cleanedPrefix))
      {
        currentDoc.InstanceDefinitions.Delete(definition.Index, true, false);
      }
@@ -1,5 +1,4 @@
 using Microsoft.Extensions.Logging;
-using Rhino;
 using Speckle.Converters.Common;
 using Speckle.Converters.Rhino;
 using Speckle.Objects.Other;
@@ -44,35 +43,43 @@ public class RhinoMaterialBaker
        string materialId = speckleRenderMaterial.applicationId ?? speckleRenderMaterial.id.NotNull();
        string matName = $"{speckleRenderMaterial.name}-({materialId})-{baseLayerName}";
        matName = matName.Replace("[", "").Replace("]", ""); // "Material" doesn't like square brackets if we create from here. Once they created from Rhino UI, all good..
-        Color diffuse = Color.FromArgb(speckleRenderMaterial.diffuse);
-        Color emissive = Color.FromArgb(speckleRenderMaterial.emissive);
-        double transparency = 1 - speckleRenderMaterial.opacity;

-        Material rhinoMaterial =
-          new()
-          {
-            Name = matName,
-            DiffuseColor = diffuse,
-            EmissionColor = emissive,
-            Transparency = transparency
-          };
+        // Check if material with this name already exists in the document
+        int matIndex = doc.Materials.Find(matName, ignoreDeletedMaterials: true);

-        // try to get additional properties
-        if (speckleRenderMaterial["ior"] is double ior)
-        {
-          rhinoMaterial.IndexOfRefraction = ior;
-        }
-        if (speckleRenderMaterial["shine"] is double shine)
-        {
-          rhinoMaterial.Shine = shine;
-        }
-
-        int matIndex = doc.Materials.Add(rhinoMaterial);
-
-        // POC: check on matIndex -1, means we haven't created anything - this is most likely an recoverable error at this stage
+        // If material doesn't exist, create it
        if (matIndex == -1)
        {
-          throw new ConversionException("Failed to add a material to the document.");
+          Color diffuse = Color.FromArgb(speckleRenderMaterial.diffuse);
+          Color emissive = Color.FromArgb(speckleRenderMaterial.emissive);
+          double transparency = 1 - speckleRenderMaterial.opacity;
+
+          Material rhinoMaterial =
+            new()
+            {
+              Name = matName,
+              DiffuseColor = diffuse,
+              EmissionColor = emissive,
+              Transparency = transparency
+            };
+
+          // try to get additional properties
+          if (speckleRenderMaterial["ior"] is double ior)
+          {
+            rhinoMaterial.IndexOfRefraction = ior;
+          }
+          if (speckleRenderMaterial["shine"] is double shine)
+          {
+            rhinoMaterial.Shine = shine;
+          }
+
+          matIndex = doc.Materials.Add(rhinoMaterial);
+
+          // POC: check on matIndex -1, means we haven't created anything - this is most likely an recoverable error at this stage
+          if (matIndex == -1)
+          {
+            throw new ConversionException($"Failed to add a material to the document: '{matName}' (ID: {materialId})");
+          }
        }

        // Create the object <> material index map
@@ -87,27 +94,4 @@ public class RhinoMaterialBaker
      }
    }
  }
-
-  /// <summary>
-  /// Removes all materials with a name starting with <paramref name="namePrefix"/> from the active document
-  /// </summary>
-  /// <param name="namePrefix"></param>
-  public void PurgeMaterials(string namePrefix)
-  {
-    var currentDoc = RhinoDoc.ActiveDoc; // POC: too much right now to interface around
-    foreach (Material material in currentDoc.Materials)
-    {
-      try
-      {
-        if (!material.IsDeleted && material.Name != null && material.Name.Contains(namePrefix))
-        {
-          currentDoc.Materials.Delete(material);
-        }
-      }
-      catch (Exception ex) when (!ex.IsFatal())
-      {
-        _logger.LogError(ex, "Failed to purge a material from the document");
-      }
-    }
-  }
 }
@@ -1,9 +1,11 @@
+using System.IO;
 using Microsoft.Extensions.Logging;
 using Rhino;
 using Rhino.DocObjects;
 using Rhino.Render;
 using Speckle.Objects.Other;
 using Speckle.Sdk;
+using Speckle.Sdk.Models;
 using Material = Rhino.DocObjects.Material;
 using PhysicallyBasedMaterial = Rhino.DocObjects.PhysicallyBasedMaterial;
 using RenderMaterial = Rhino.Render.RenderMaterial;
@@ -19,6 +21,7 @@ public class RhinoMaterialUnpacker
  /// For send operations
  /// </summary>
  private Dictionary<string, RenderMaterialProxy> RenderMaterialProxies { get; } = new();
+  private Dictionary<string, string> Textures { get; } = new();

  public RhinoMaterialUnpacker(ILogger<RhinoMaterialUnpacker> logger)
  {
@@ -218,23 +221,51 @@ public class RhinoMaterialUnpacker
      ? pbRenderMaterial.Material.EmissionColor
      : pbRenderMaterial.Emission.AsSystemColor(); // pbRenderMaterial.emission gives wrong color for emission materials, and material.emissioncolor gives the wrong value for most others *shrug*

+    // NOTE: added after CNX-2661, without having file that caused issue hard to say what the issue is
+    // api bug / funny model (custom textures) / upgrade from old model (e.g. Rhino 6)? who knows.
+    // PBR standard is 0-1. Clamping to valid range. This may indicate texture data is in wrong scale.
+    double roughness = pbRenderMaterial.Roughness;
+    if (roughness < 0 || roughness > 1)
+    {
+      _logger.LogWarning("Material '{Name}' has invalid roughness value of {Value}", renderMaterial.Name, roughness);
+      roughness = Math.Min(Math.Max(0, roughness), 1); // Math.Clamp() only from C# 8.0
+    }
+
    SpeckleRenderMaterial speckleRenderMaterial =
      new()
      {
        name = renderMaterialName,
        opacity = opacity,
        metalness = pbRenderMaterial.Metallic,
-        roughness = pbRenderMaterial.Roughness,
+        roughness = roughness,
        diffuse = diffuse.ToArgb(),
        emissive = emissive.ToArgb(),
-        applicationId = renderMaterial.Id.ToString()
+        applicationId = renderMaterial.Id.ToString(),
+        ["diffuseTexture"] = GetEncodedTexture(pbRenderMaterial, TextureType.PBR_BaseColor),
+        ["metallicTexture"] = GetEncodedTexture(pbRenderMaterial, TextureType.PBR_Metallic),
+        ["specularTexture"] = GetEncodedTexture(pbRenderMaterial, TextureType.PBR_Specular),
+        ["shineTexture"] = GetEncodedTexture(pbRenderMaterial, TextureType.PBR_Sheen),
+        ["roughnessTexture"] = GetEncodedTexture(pbRenderMaterial, TextureType.PBR_Roughness),
+        ["opacityTexture"] = GetEncodedTexture(pbRenderMaterial, TextureType.Opacity),
+        ["bumpTexture"] = GetEncodedTexture(pbRenderMaterial, TextureType.Bump),
+        ["emissionTexture"] = GetEncodedTexture(pbRenderMaterial, TextureType.PBR_Emission),
+        ["typeName"] = renderMaterial.TypeName,
+        ["ior"] = pbRenderMaterial.ReflectiveIOR,
+        ["shine"] = pbRenderMaterial.Material.Shine,
+        ["specular"] = pbRenderMaterial.Specular
      };

-    // add additional dynamic props for rhino material receive
-    speckleRenderMaterial["typeName"] = renderMaterial.TypeName;
-    speckleRenderMaterial["ior"] = pbRenderMaterial.Material.IndexOfRefraction;
-    speckleRenderMaterial["shine"] = pbRenderMaterial.Material.Shine;
-
    return speckleRenderMaterial;
  }
+
+  private static Blob? GetEncodedTexture(PhysicallyBasedMaterial pbRenderMaterial, TextureType kind)
+  {
+    var texture = pbRenderMaterial.GetTexture(kind);
+    string? path = texture?.FileName;
+    if (string.IsNullOrEmpty(path) || !File.Exists(path))
+    {
+      return null;
+    }
+    return new Blob(path!);
+  }
 }
@@ -256,7 +256,8 @@ public class RhinoHostObjectBuilder : IHostObjectBuilder
      .RunOnMain(() =>
      {
        _instanceBaker.PurgeInstances(baseLayerName);
-        _materialBaker.PurgeMaterials(baseLayerName);
+        // Materials are now reused across receives instead of being purged
+        // _materialBaker.PurgeMaterials(baseLayerName);

        var doc = _converterSettings.Current.Document;
        // Cleans up any previously received objects
@@ -325,9 +325,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -360,9 +360,32 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "LibTessDotNet": {
        "type": "CentralTransitive",
        "requested": "[1.1.15, )",
@@ -407,38 +430,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -406,9 +406,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -441,9 +441,32 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "LibTessDotNet": {
        "type": "CentralTransitive",
        "requested": "[1.1.15, )",
@@ -488,38 +511,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -406,9 +406,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -441,9 +441,32 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "LibTessDotNet": {
        "type": "CentralTransitive",
        "requested": "[1.1.15, )",
@@ -488,38 +511,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -258,9 +258,32 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.Logging": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -284,38 +307,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -258,9 +258,32 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.Logging": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -284,38 +307,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -259,9 +259,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -285,9 +285,32 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -326,38 +349,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -210,9 +210,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -236,9 +236,30 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -277,36 +298,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -210,9 +210,9 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.4, )",
-          "Speckle.Sdk": "[3.5.4, )",
-          "Speckle.Sdk.Dependencies": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )",
+          "Speckle.Sdk": "[1.0.0, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
        }
      },
      "speckle.connectors.dui": {
@@ -236,9 +236,30 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -277,36 +298,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
@@ -5,7 +5,7 @@ namespace Speckle.Converters.CSiShared;

 [GenerateAutoInterface]
 public class CsiConversionSettingsFactory(
-  IHostToSpeckleUnitConverter<eUnits> unitsConverter,
+  IHostToSpeckleUnitConverter<eLength> unitsConverter,
  IConverterSettingsStore<CsiConversionSettings> settingsStore
 ) : ICsiConversionSettingsFactory
 {
@@ -15,11 +15,21 @@ public class CsiConversionSettingsFactory(
    cSapModel document,
    List<string>? selectedLoadCasesAndCombinations = null,
    List<string>? selectedResultTypes = null
-  ) =>
-    new(
+  )
+  {
+    // NOTE: only applicable to ETABS. If we bring in SAP2000 then we need to revert to GetPresentUnits
+    // NOTE: change from GetPresentUnits as this was linked to weird behaviour (see CNX-2621), returning "0" sometimes
+    // bug in the GetPresentUnits api call ...
+    eTemperature temperatureUnit = eTemperature.NotApplicable;
+    eLength lengthUnit = eLength.NotApplicable;
+    eForce forceUnit = eForce.NotApplicable;
+    document.GetPresentUnits_2(ref forceUnit, ref lengthUnit, ref temperatureUnit);
+
+    return new CsiConversionSettings(
      document,
-      unitsConverter.ConvertOrThrow(document.GetPresentUnits()),
+      unitsConverter.ConvertOrThrow(lengthUnit),
      selectedLoadCasesAndCombinations ?? [],
      selectedResultTypes ?? []
    );
+  }
 }
@@ -5,37 +5,28 @@ using Speckle.Sdk.Common.Exceptions;
 namespace Speckle.Converters.CSiShared;

 /// <summary>
-/// Convert CSi eUnits enumeration to Speckle units.
+/// Convert CSi eLength enumeration to Speckle units.
 /// </summary>
 /// <remarks>
-/// CSi GetPresentUnits() valid for both SAP 2000 and ETABS.
+/// CSi GetPresentUnits_2() valid for ONLY ETABS. If we add SAP2000, this needs to be modified
 /// Represents units transmitted through API calls and not necessarily those displayed in GUI.
 /// </remarks>
-public class CsiToSpeckleUnitConverter : IHostToSpeckleUnitConverter<eUnits>
+public class CsiToSpeckleUnitConverter : IHostToSpeckleUnitConverter<eLength>
 {
-  private readonly Dictionary<eUnits, string> _unitMapping = new Dictionary<eUnits, string>();
+  private readonly Dictionary<eLength, string> _unitMapping = [];

  public CsiToSpeckleUnitConverter()
  {
-    _unitMapping[eUnits.lb_in_F] = Units.Inches;
-    _unitMapping[eUnits.lb_ft_F] = Units.Feet;
-    _unitMapping[eUnits.kip_in_F] = Units.Inches;
-    _unitMapping[eUnits.kip_ft_F] = Units.Feet;
-    _unitMapping[eUnits.kN_mm_C] = Units.Millimeters;
-    _unitMapping[eUnits.kN_m_C] = Units.Meters;
-    _unitMapping[eUnits.kgf_mm_C] = Units.Millimeters;
-    _unitMapping[eUnits.kgf_m_C] = Units.Meters;
-    _unitMapping[eUnits.N_mm_C] = Units.Millimeters;
-    _unitMapping[eUnits.N_m_C] = Units.Meters;
-    _unitMapping[eUnits.Ton_mm_C] = Units.Millimeters;
-    _unitMapping[eUnits.Ton_m_C] = Units.Meters;
-    _unitMapping[eUnits.kN_cm_C] = Units.Centimeters;
-    _unitMapping[eUnits.kgf_cm_C] = Units.Centimeters;
-    _unitMapping[eUnits.N_cm_C] = Units.Centimeters;
-    _unitMapping[eUnits.Ton_cm_C] = Units.Centimeters;
+    _unitMapping[eLength.NotApplicable] = Units.None;
+    _unitMapping[eLength.inch] = Units.Inches;
+    _unitMapping[eLength.ft] = Units.Feet;
+    // _unitMapping[eLength.micron] = Units.None;
+    _unitMapping[eLength.mm] = Units.Millimeters;
+    _unitMapping[eLength.cm] = Units.Centimeters;
+    _unitMapping[eLength.m] = Units.Meters;
  }

-  public string ConvertOrThrow(eUnits hostUnit) =>
+  public string ConvertOrThrow(eLength hostUnit) =>
    _unitMapping.TryGetValue(hostUnit, out string? value)
      ? value
      : throw new UnitNotSupportedException($"The Unit System \"{hostUnit}\" is unsupported.");
@@ -39,7 +39,7 @@ public static class ServiceRegistration
    serviceCollection.AddScoped<CsiToSpeckleCacheSingleton>();

    // Settings and unit conversions
-    serviceCollection.AddApplicationConverters<CsiToSpeckleUnitConverter, eUnits>(converterAssembly);
+    serviceCollection.AddApplicationConverters<CsiToSpeckleUnitConverter, eLength>(converterAssembly);
    serviceCollection.AddScoped<
      IConverterSettingsStore<CsiConversionSettings>,
      ConverterSettingsStore<CsiConversionSettings>
@@ -8,25 +8,11 @@ namespace Speckle.Converters.CSiShared.ToSpeckle.Helpers;
 /// Extracts properties common to frame elements across CSi products (e.g., Etabs, Sap2000)
 /// using the FrameObj API calls.
 /// </summary>
-/// <remarks>
-/// Design Decisions:
-/// <list type="bullet">
-///     <item>
-///         <description>
-///             Individual methods preferred over batched calls due to:
-///             <list type="bullet">
-///                 <item><description>Independent API calls with no performance gain from batching (?)</description></item>
-///                 <item><description>Easier debugging and error tracing</description></item>
-///                 <item><description>Simpler maintenance as each method maps to one API concept</description></item>
-///             </list>
-///         </description>
-///     </item>
-/// </list>
-/// </remarks>
 public sealed class CsiFramePropertiesExtractor
 {
  private readonly IConverterSettingsStore<CsiConversionSettings> _settingsStore;
  private readonly CsiToSpeckleCacheSingleton _csiToSpeckleCacheSingleton;
+  private readonly DatabaseTableExtractor _databaseTableExtractor;

  private static readonly string[] s_releaseKeys =
  [
@@ -36,15 +22,17 @@ public sealed class CsiFramePropertiesExtractor
    "Torsion",
    "Moment 22 (Minor)",
    "Moment 33 (Major)"
-  ]; // Note: caching keys for better performance
+  ];

  public CsiFramePropertiesExtractor(
    CsiToSpeckleCacheSingleton csiToSpeckleCacheSingleton,
-    IConverterSettingsStore<CsiConversionSettings> settingsStore
+    IConverterSettingsStore<CsiConversionSettings> settingsStore,
+    DatabaseTableExtractor databaseTableExtractor
  )
  {
    _csiToSpeckleCacheSingleton = csiToSpeckleCacheSingleton;
    _settingsStore = settingsStore;
+    _databaseTableExtractor = databaseTableExtractor;
  }

  public void ExtractProperties(CsiFrameWrapper frame, PropertyExtractionResult frameData)
@@ -61,13 +49,29 @@ public sealed class CsiFramePropertiesExtractor
    assignments[CommonObjectProperty.PROPERTY_MODIFIERS] = GetModifiers(frame);
    assignments["End Releases"] = GetReleases(frame);

-    // NOTE: sectionId and materialId a "quick-fix" to enable filtering in the viewer etc.
+    // NOTE: sectionId and materialId a "quick-fix" to enable filtering in the viewer etc. Strings are unique
    // Assign sectionId to variable as this will be an argument for the GetMaterialName method
    string sectionId = GetSectionName(frame);
    string materialId = GetMaterialName(sectionId);
    assignments[ObjectPropertyKey.SECTION_ID] = sectionId;
    assignments[ObjectPropertyKey.MATERIAL_ID] = materialId;

+    // CNX-2725 adds more numeric props for dashboard-ing
+    double length = GetLength(frame);
+    double area = GetCrossSectionalArea(sectionId);
+
+    double volume = double.NaN;
+    if (!double.IsNaN(length) && !double.IsNaN(area) && length > 0 && area > 0)
+    {
+      // I am paranoid about what etabs could throw our way
+      double computedVolume = length * area;
+      volume = (!double.IsInfinity(computedVolume) && !double.IsNaN(computedVolume)) ? computedVolume : double.NaN;
+    }
+
+    geometry.AddWithUnits(ObjectPropertyKey.LENGTH, length, _settingsStore.Current.SpeckleUnits);
+    geometry.AddWithUnits(ObjectPropertyKey.CROSS_SECTIONAL_AREA, area, $"{_settingsStore.Current.SpeckleUnits}²");
+    geometry.AddWithUnits(ObjectPropertyKey.VOLUME, volume, $"{_settingsStore.Current.SpeckleUnits}³");
+
    // store the object, section, and material id relationships in their corresponding caches to be accessed by the connector
    if (!string.IsNullOrEmpty(sectionId))
    {
@@ -196,4 +200,56 @@ public sealed class CsiFramePropertiesExtractor
    _ = _settingsStore.Current.SapModel.PropFrame.GetMaterial(sectionName, ref materialName);
    return materialName;
  }
+
+  private double GetLength(CsiFrameWrapper frame)
+  {
+    // using the DatabaseTableExtractor fetch table with key "Frame Assignments - Summary"
+    // limit query size to "UniqueName" and "Length" fields
+    string length = _databaseTableExtractor
+      .GetTableData("Frame Assignments - Summary", requestedColumns: ["UniqueName", ObjectPropertyKey.LENGTH])
+      .GetRowValue(frame.Name, ObjectPropertyKey.LENGTH);
+
+    // all database data is returned as strings
+    return double.TryParse(length, out double result) ? result : double.NaN;
+  }
+
+  private double GetCrossSectionalArea(string sectionName)
+  {
+    if (_csiToSpeckleCacheSingleton.FrameSectionAreaCache.TryGetValue(sectionName, out double value))
+    {
+      return value;
+    }
+
+    double area = 0,
+      as2 = 0,
+      as3 = 0,
+      torsion = 0,
+      i22 = 0,
+      i33 = 0,
+      s22 = 0,
+      s33 = 0,
+      z22 = 0,
+      z33 = 0,
+      r22 = 0,
+      r33 = 0;
+    int result = _settingsStore.Current.SapModel.PropFrame.GetSectProps(
+      sectionName,
+      ref area,
+      ref as2,
+      ref as3,
+      ref torsion,
+      ref i22,
+      ref i33,
+      ref s22,
+      ref s33,
+      ref z22,
+      ref z33,
+      ref r22,
+      ref r33
+    );
+
+    double validatedArea = result == 0 ? area : double.NaN;
+    _csiToSpeckleCacheSingleton.FrameSectionAreaCache.Add(sectionName, validatedArea);
+    return validatedArea;
+  }
 }
@@ -8,28 +8,18 @@ namespace Speckle.Converters.CSiShared.ToSpeckle.Helpers;
 /// Extracts properties common to shell elements across CSi products (e.g., Etabs, Sap2000)
 /// using the AreaObj API calls.
 /// </summary>
-/// <remarks>
-/// Design Decisions:
-/// <list type="bullet">
-///     <item>
-///         <description>
-///             Individual methods preferred over batched calls due to:
-///             <list type="bullet">
-///                 <item><description>Independent API calls with no performance gain from batching (?)</description></item>
-///                 <item><description>Easier debugging and error tracing</description></item>
-///                 <item><description>Simpler maintenance as each method maps to one API concept</description></item>
-///             </list>
-///         </description>
-///     </item>
-/// </list>
-/// </remarks>
 public sealed class CsiShellPropertiesExtractor
 {
  private readonly IConverterSettingsStore<CsiConversionSettings> _settingsStore;
+  private readonly CsiToSpeckleCacheSingleton _csiToSpeckleCacheSingleton;

-  public CsiShellPropertiesExtractor(IConverterSettingsStore<CsiConversionSettings> settingsStore)
+  public CsiShellPropertiesExtractor(
+    IConverterSettingsStore<CsiConversionSettings> settingsStore,
+    CsiToSpeckleCacheSingleton csiToSpeckleCacheSingleton
+  )
  {
    _settingsStore = settingsStore;
+    _csiToSpeckleCacheSingleton = csiToSpeckleCacheSingleton;
  }

  public void ExtractProperties(CsiShellWrapper shell, PropertyExtractionResult shellData)
@@ -37,7 +27,7 @@ public sealed class CsiShellPropertiesExtractor
    shellData.ApplicationId = shell.GetSpeckleApplicationId(_settingsStore.Current.SapModel);

    var geometry = shellData.Properties.EnsureNested(ObjectPropertyCategory.GEOMETRY);
-    geometry["Joints"] = GetPointNames(shell); // TODO: 🪲 Viewer shows 4 but only displays 3
+    geometry["Joints"] = GetPointNames(shell);

    var assignments = shellData.Properties.EnsureNested(ObjectPropertyCategory.ASSIGNMENTS);
    assignments[CommonObjectProperty.GROUPS] = GetGroupAssigns(shell);
@@ -16,4 +16,16 @@ public class CsiToSpeckleCacheSingleton
  /// A map of (section id, shell object id). Assumes the section id is the unique name of the section
  /// </summary>
  public Dictionary<string, List<string>> ShellSectionCache { get; set; } = [];
+
+  /// <summary>
+  /// A cache of cross-sectional areas used
+  /// </summary>
+  public Dictionary<string, double> FrameSectionAreaCache { get; set; } = [];
+
+  /// <summary>
+  /// A cache of resolved shell section properties populated by "EtabsShellPropertiesExtractor"
+  /// and consumed by "EtabsShellSectionPropertyExtractor".
+  /// This eliminates redundant section resolution API calls.
+  /// </summary>
+  public Dictionary<string, Dictionary<string, object?>> ShellSectionPropertiesCache { get; set; } = [];
 }
@@ -39,7 +39,7 @@ public abstract class CsiObjectToSpeckleConverterBase : IToSpeckleTopLevelConver

  public Base Convert(object target) => Convert((CsiWrapperBase)target);

-  public Base Convert(CsiWrapperBase wrapper)
+  private Base Convert(CsiWrapperBase wrapper)
  {
    var displayValue = _displayValueExtractor.GetDisplayValue(wrapper).ToList();
    var objectData = _applicationPropertiesExtractor.ExtractProperties(wrapper);
@@ -21,8 +21,14 @@ public static class ObjectPropertyCategory
 /// </summary>
 public static class ObjectPropertyKey
 {
+  public const string AREA = "Area";
+  public const string CROSS_SECTIONAL_AREA = "Cross-Sectional Area";
+  public const string DESIGN_PROCEDURE = "Design Procedure";
+  public const string LENGTH = "Length";
  public const string MATERIAL_ID = "Material";
  public const string SECTION_ID = "Section Property";
+  public const string THICKNESS = "Thickness";
+  public const string VOLUME = "Volume";
 }

 /// <summary>
@@ -30,11 +36,14 @@ public static class ObjectPropertyKey
 /// </summary>
 public static class SectionPropertyCategory
 {
+  public const string DESIGN_DATA = "Design Data";
  public const string GENERAL_DATA = "General Data";
+  public const string MECHANICAL_DATA = "Mechanical Data";
  public const string MODIFIERS = "Modifiers";
  public const string PROPERTY_DATA = "Property Data";
  public const string SECTION_PROPERTIES = "Section Properties";
  public const string SECTION_DIMENSIONS = "Section Dimensions";
+  public const string WEIGHT_AND_MASS = "Weight and Mass";
 }

 /// <summary>
@@ -258,9 +258,32 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.4, )"
+          "Speckle.Objects": "[1.0.0, )"
        }
      },
+      "speckle.objects": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Sdk": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk": {
+        "type": "Project",
+        "dependencies": {
+          "GraphQL.Client": "[6.0.0, )",
+          "Microsoft.Bcl.AsyncInterfaces": "[5.0.0, )",
+          "Microsoft.CSharp": "[4.7.0, )",
+          "Microsoft.Data.Sqlite": "[7.0.5, )",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "[2.2.0, )",
+          "Microsoft.Extensions.Logging": "[2.2.0, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )",
+          "Speckle.Newtonsoft.Json": "[13.0.2, )",
+          "Speckle.Sdk.Dependencies": "[1.0.0, )"
+        }
+      },
+      "speckle.sdk.dependencies": {
+        "type": "Project"
+      },
      "Microsoft.Extensions.Logging": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
@@ -284,38 +307,6 @@
        "requested": "[4.1.0, )",
        "resolved": "4.1.0",
        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
-      },
-      "Speckle.Objects": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o7ex4+yHJYI8pJbsjNqw+D8r8WjkBoB5aK/GQlGJd/0zydrPxN4SMKS4arpRBR3CUD6JhtQMatScXZOrslGXQg==",
-        "dependencies": {
-          "Speckle.Sdk": "3.5.4"
-        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "o4bEJTz+OBI1koy9xqXSIq3UtUFCKtk6Btg82rdVM2aFMPT3ZoYVarG+ylPcUOHd684XpgGASxE6dIgXz2pvng==",
-        "dependencies": {
-          "GraphQL.Client": "6.0.0",
-          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
-          "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.5",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
-          "Microsoft.Extensions.Logging": "2.2.0",
-          "Speckle.DoubleNumerics": "4.1.0",
-          "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.5.4"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.4, )",
-        "resolved": "3.5.4",
-        "contentHash": "d0ZOHiK11Hq9r7YEkfTvVu33ygWtsrgysIWdCRAz6rdlcAgMCEkWVBoe3jDjxdmUy20TToaQlFKfMH4hTyzWXg=="
      }
    }
  }
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
JR-Morgan	4fef78143d	blobs-poc	2025-11-13 10:08:21 +03:00
Mucahit Bilal GOKER	d4ee1f2a55	feat(revit): add roomId and spaceId parameters (#1181 ) .NET Build and Publish / build-connectors (push) Has been cancelled Details .NET Build and Publish / deploy-installers (push) Has been cancelled Details * add roomId and spaceId parameters * clean up	2025-11-11 10:30:27 +03:00
Jedd Morgan	4f960cc670	readme tweaks (#1179 )	2025-11-10 13:52:43 +00:00
Jedd Morgan	1f63c1f8b3	Merge pull request #1165 from specklesystems/main chore: Back merge main -> Dev	2025-11-10 13:48:30 +00:00
Jedd Morgan	2ed9ffbca7	Use Openheadless for unit support (#1178 )	2025-11-10 12:53:55 +00:00
Jedd Morgan	d87b862e2b	add readme (#1173 )	2025-11-10 12:49:39 +00:00
Mucahit Bilal GOKER	3ad3ad2f01	feat(rhino): use existing materials when loading (#1177 ) * reuse existing materials * comment out purge material * fix: unnecessary using directives * more details in exception message and remove material purge. --------- Co-authored-by: Björn Steinhagen <88777268+bjoernsteinhagen@users.noreply.github.com>	2025-11-10 15:43:04 +03:00
Björn Steinhagen	6db7e46401	fix(grasshopper): refresh parameter UI when toggling empty properties mode (#1174 )	2025-11-10 15:07:57 +03:00
Björn Steinhagen	13fc24c7c7	fix(rhino): handles null active doc (#1180 )	2025-11-10 14:51:06 +03:00
Jedd Morgan	cf86158b83	Ignore (#1171 )	2025-11-03 12:57:17 +00:00
Björn Steinhagen	25eb955636	feat(etabs): add volume calculation for frames and shells (#1167 ) * feat: adds frame volume prop * feat: adds shell volume prop * refactor: simplify caching * fix(etabs): use IsInfinity for etabs 21	2025-10-28 17:39:30 +02:00
dependabot[bot]	7862a858ae	chore(deps): bump actions/upload-artifact from 4 to 5 (#1166 ) Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 5. - [Release notes](https://github.com/actions/upload-artifact/releases) - [Commits](https://github.com/actions/upload-artifact/compare/v4...v5) --- updated-dependencies: - dependency-name: actions/upload-artifact dependency-version: '5' dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2025-10-27 18:09:02 +00:00
Jedd Morgan	bc18d3b494	fix(rhino-importer): Use main thread always for document creation (#1161 ) .NET Build and Publish / build-connectors (push) Has been cancelled Details .NET Build and Publish / deploy-installers (push) Has been cancelled Details * Use main thread * format * configure await false * pass args only once	2025-10-27 11:11:56 +00:00
Björn Steinhagen	fd34f22028	fix(grasshopper): applicationId for SpeckleDataObject on creation (#1159 ) * chore: formatting * fix: generate appId on object creation * feat: validate uniqueness of objects within a collection	2025-10-25 20:46:20 +01:00
Jedd Morgan	958c9e5e94	Merge pull request #1158 from specklesystems/main Main -> Dev back merge	2025-10-20 15:42:23 +01:00
Jedd Morgan	7c7260c603	Merge pull request #1157 from specklesystems/dev .NET Build and Publish / build-connectors (push) Has been cancelled Details .NET Build and Publish / deploy-installers (push) Has been cancelled Details Update dev into main	2025-10-20 15:39:33 +01:00
Oğuzhan Koral	bae9e3e0f1	Prevent crashes on unnamed files (#1154 ) Co-authored-by: Björn Steinhagen <88777268+bjoernsteinhagen@users.noreply.github.com> Co-authored-by: Jedd Morgan <45512892+JR-Morgan@users.noreply.github.com>	2025-10-20 17:33:00 +03:00
Oğuzhan Koral	26b0394613	feat(revit): display value proxies (#1140 ) * POC * some fixes * Handle autocad, rhino and sketchup receives * Handle revit receive * Fix transform issues * fix: custom mesh id logic * Hash function * Merge pull request #1142 from specklesystems/jedd/cnx-2657-hashing-the-meshes feat(revit)!: Use Hash function for mesh geometry instance ids * Use v2 style transform * extra comments * experiment1 * correct transform logic and disposal * corrected transform logic * simplify (maybe) the transform combination * refactor(revit): replace tuples with DisplayValueResult record for display values (#1145) * Clear instance proxies per conversion * fix: material assignment on revit receive (#1146) * Fix: enable send caching (#1148) * Enable caching without definition proxy noise * Log element id relationship while creating cache to filter after conversion to attach root * Update RevitRootObjectBuilder.cs * Clear cache on document swap * More clean up * fix(revit): defer material proxy population to prevent duplicate instance mesh IDs (#1155) * fix(revit): defer material proxy population to prevent duplicate instance mesh IDs * chore: formatting * chore: campsite * refactor: throwing on cache error * refactor: move material proxy population into cache singleton * fix: di * fix(rhino): match cleaned block names when purging instance definitions (#1156) * fix(rhino): match cleaned block names when purging instance definitions * refactor: simplification * chore: comments * refactor: use .Contains --------- Co-authored-by: Björn <steinhagen.bjoern@gmail.com> Co-authored-by: Jedd Morgan <45512892+JR-Morgan@users.noreply.github.com> Co-authored-by: Björn Steinhagen <88777268+bjoernsteinhagen@users.noreply.github.com>	2025-10-20 15:26:56 +01:00
Dogukan Karatas	689ef0bcbe	Merge pull request #1149 from specklesystems/dogukan/cnx-2490-receive-property-sets-in-civil-3d feat (civil): receive property sets	2025-10-17 18:09:25 +02:00
Dogukan Karatas	461585b782	adds additional cast	2025-10-17 17:58:01 +02:00
Claire Kuang	ea33f35a7d	removes unnecessary casting on send	2025-10-17 16:57:38 +01:00
Claire Kuang	7427f1a2f3	adds constants and better host object builder methods	2025-10-17 16:08:40 +01:00
Dogukan Karatas	b7984bf97e	add additional cleaning	2025-10-17 15:25:35 +02:00
Dogukan Karatas	9b24a45b6e	property set pruge	2025-10-17 12:50:58 +02:00
Claire Kuang	4ace81a422	Merge branch 'dev' into dogukan/cnx-2490-receive-property-sets-in-civil-3d	2025-10-17 10:02:40 +01:00
Björn Steinhagen	a60790c92c	fix(grasshopper): account selection not respected when url input connected (#1150 ) * fix: account switching on urlInput * chore: good ol' comments * chore: adding server url to exception message	2025-10-17 10:02:12 +01:00
Dogukan Karatas	fd0d00cac3	Merge branch 'dev' into dogukan/cnx-2490-receive-property-sets-in-civil-3d	2025-10-16 18:48:01 +02:00
Dogukan Karatas	498396e611	Merge pull request #1153 from specklesystems/dogukan/build-package-version-bump chore(build): bump Microsoft.Build version	2025-10-16 18:47:18 +02:00
Dogukan Karatas	5444377398	bump version	2025-10-16 18:29:20 +02:00
Dogukan Karatas	9d981f9800	ci check	2025-10-16 17:59:13 +02:00
Dogukan Karatas	14e17fb67d	prefix and purge	2025-10-16 17:52:30 +02:00
Dogukan Karatas	0ffa7685fd	rather cast than convert	2025-10-16 17:16:20 +02:00
Dogukan Karatas	dc7d4671e4	default value simplification	2025-10-16 16:40:37 +02:00
Dogukan Karatas	10cb5cd66f	removed the parser	2025-10-16 16:24:53 +02:00
Jedd Morgan	cb15d9f77a	Merge pull request #1152 from specklesystems/jrm/trigger-ci Remove arcgis from readme	2025-10-16 15:05:53 +01:00
Jedd Morgan	da74faef9b	read me change to trigger ci	2025-10-16 15:02:58 +01:00
Claire Kuang	4368833c7e	Merge branch 'dev' into dogukan/cnx-2490-receive-property-sets-in-civil-3d	2025-10-16 09:56:57 +01:00
Dogukan Karatas	a20df41316	readonly dict	2025-10-15 22:56:50 +02:00
Dogukan Karatas	ccf48dbad1	process property set definitions from root object	2025-10-15 22:42:33 +02:00
Björn Steinhagen	6700aa27bc	fix(revit): handle level extraction for face-based family instances (#1151 ) * fix: get levels for face-based instances * fix: level unpacker	2025-10-15 22:06:01 +02:00
Dogukan Karatas	df525eab63	moved the baker to the connector	2025-10-15 21:25:12 +02:00
Dogukan Karatas	275901626f	created an abstract class	2025-10-15 16:35:19 +02:00
Claire Kuang	fac0dc31b2	Merge branch 'dev' into dogukan/cnx-2490-receive-property-sets-in-civil-3d	2025-10-15 12:48:26 +01:00
Dogukan Karatas	8696eca1f0	use active transaction	2025-10-15 13:12:41 +02:00
Dogukan Karatas	d647c71cf5	baker added	2025-10-15 12:25:01 +02:00
Dogukan Karatas	9b218dd808	Revert "created PropertySetConverter" This reverts commit `112093f914`.	2025-10-15 12:06:04 +02:00
Björn Steinhagen	9f39dc521d	fix(revit): clamp PBR material properties to avoid receive failures (#1147 ) * fix: clamping roughness vaues * chore: extending to other 0 - 1 values	2025-10-14 16:15:52 +02:00
Dogukan Karatas	112093f914	created PropertySetConverter	2025-10-13 14:08:35 +02:00
Oğuzhan Koral	d174597770	Merge pull request #1141 from specklesystems/dev .NET Build and Publish / build-connectors (push) Has been cancelled Details .NET Build and Publish / deploy-installers (push) Has been cancelled Details Update dev into main	2025-10-08 16:06:07 +03:00
Björn Steinhagen	d9289787b7	fix(grasshopper): add auto-load persistence and reactive behavior to sync receive component (#1134 ) * fix: poc `(Sync) Load` component reacting to new versions * fix: persist setting between sessions --------- Co-authored-by: Claire Kuang <kuang.claire@gmail.com>	2025-10-08 12:59:18 +02:00
Björn Steinhagen	77c1c3b511	fix(revit): handle null SelectedObjectIds in view filters on send (#1139 )	2025-10-07 15:19:05 +02:00
Adam Hathcock	5a1c542832	Push doc to callers if possible (#1129 ) * Push doc to callers if possible * use check for active doc earlier. Use doc instead of linked doc * Use passed in current doc instead of getting active doc each time * fmt * Remove extra using	2025-10-07 07:25:36 +00:00
Adam Hathcock	091d7cc897	Stop exceptions we can't do anything about (#1138 )	2025-10-06 17:19:30 +01:00
Adam Hathcock	21f4fb52a8	cache parameters by group and name instead of caching groups and assuming units are all the same (#1128 ) * cache parameters by group and name * fmt	2025-10-06 12:01:04 +01:00
Adam Hathcock	868ca8db66	Key for docs should fallback correctly and load when not found. (#1130 ) * fix for revit 2024 and greater * fallback to path name for 22/23 * adjust comment --------- Co-authored-by: Björn Steinhagen <88777268+bjoernsteinhagen@users.noreply.github.com> Co-authored-by: Mucahit Bilal GOKER <51519350+bimgeek@users.noreply.github.com>	2025-10-06 10:22:19 +01:00
Björn Steinhagen	a9360e5fac	fix(grasshopper): optimize `CreateSpeckleProperties` for large data trees (#1135 ) * perf: remove expensive tree flattening in CreateSpeckleProperties * chore: format	2025-10-04 10:42:01 +01:00
Björn Steinhagen	3414599f72	fix(etabs): units not supported (#1132 ) * fix: etabs units not supported * chore: notes	2025-10-03 15:15:54 +00:00
Björn Steinhagen	84e92aa8a8	fix: prevent internal parameters from appearing in Params/Primitives tab (#1133 )	2025-10-03 09:56:31 +01:00
Jedd Morgan	edd842763f	remove obsolete (#1131 )	2025-10-02 16:44:26 +01:00
Björn Steinhagen	867ee0f928	feat(etabs): adds design data material props (#1111 )	2025-10-02 16:50:39 +02:00
Jedd Morgan	29ee648d7f	Swallow IOEx (#1125 )	2025-10-01 22:38:56 +00:00
Jedd Morgan	5b9c610856	Only call `IsConnected` on Physical connectors (#1127 )	2025-10-01 15:41:48 +00:00
Adam Hathcock	769ddf6407	merge update (#1121 )	2025-10-01 15:37:35 +00:00
Claire Kuang	dd7205f855	fix(rhino): adds area and volume props to breps (#1124 ) * adds area and volume props to breps * removes bbox props and adds area and volume to extrusion and mesh	2025-10-01 14:34:01 +01:00
Mucahit Bilal GOKER	30ee410309	fix(revit): Missing Type Mark parameter added (#1112 ) * type mark fix * fix: format --------- Co-authored-by: Björn Steinhagen <steinhagen.bjoern@gmail.com>	2025-10-01 15:35:15 +03:00
Jedd Morgan	2d0b1a3a24	chore: Remove legacy .NET based IFC importer (#1118 ) * remove IFC source files * re-generate slnx files	2025-10-01 12:06:43 +01:00
Jedd Morgan	2cdf036172	Merge pull request #1123 from specklesystems/installer-test/linux-ci chore(ci): Refactor out nuget publishing from CI, use linux for pr builds	2025-10-01 11:58:37 +01:00
Björn Steinhagen	c14aa28e76	fix(grasshopper): type-specific outputs not refreshing in `QuerySpeckleObjects` component (#1114 ) Co-authored-by: Claire Kuang <kuang.claire@gmail.com>	2025-09-29 16:50:27 +00:00
Björn Steinhagen	0e7d2554f8	fix(grasshopper): sync `SpeckleGeometryWrapper` `Properties` with `Base["properties"]` (#1113 ) Co-authored-by: Claire Kuang <kuang.claire@gmail.com>	2025-09-29 18:45:27 +02:00
Adam Hathcock	cdfc618bab	Avoid a null points collection (#1116 )	2025-09-29 07:55:29 +00:00
Adam Hathcock	1005edb609	feat(Navisworks) Expose send cache options to all (#1115 )	2025-09-26 19:23:44 +02:00
Adam Hathcock	3b4da8de52	check connection before using? (#1109 )	2025-09-25 08:23:08 +01:00