Chore: Update csharpier version and re-format (#1363 )

* Bump Csharpier * run csharpier format ./
fix(revit): skip out-of-bounds snapping references for far-from-origin DirectShapes (#1362 )
2026-04-13 17:16:40 +00:00 · 2026-04-13 17:52:09 +03:00 · 2026-04-10 15:59:26 +03:00 · 2026-04-09 19:19:32 +00:00 · 2026-04-08 11:42:24 +01:00 · 2026-04-08 11:27:57 +01:00
829 changed files with 24447 additions and 13954 deletions
@@ -3,14 +3,14 @@
  "isRoot": true,
  "tools": {
    "csharpier": {
-      "version": "0.28.2",
+      "version": "1.2.6",
      "commands": [
-        "dotnet-csharpier"
+        "csharpier"
      ],
      "rollForward": false
    },
    "dotnet-affected": {
-      "version": "5.0.0",
+      "version": "6.2.0",
      "commands": [
        "dotnet-affected"
      ],
@@ -0,0 +1,29 @@
+Directory.Build.targets
+Directory.Build.props
+Directory.Packages.props
+
+*.slnx
+
+**/bin/*
+**/obj/*
+_ReSharper.SharpCompress/
+bin/
+*.suo
+*.user
+TestArchives/Scratch/
+TestArchives/Scratch2/
+TestResults/
+*.nupkg
+packages/*/
+project.lock.json
+tests/TestArchives/Scratch
+.vs
+tools
+.vscode
+.idea/
+
+.DS_Store
+*.snupkg
+coverage.xml
+
+*.received.*
@@ -1,7 +1,7 @@
 printWidth: 120
 useTabs: false
-tabWidth: 2
+indentSize: 2
 preprocessorSymbolSets:
-    - ""
-    - "DEBUG"
-    - "DEBUG,CODE_STYLE"
+  - ""
+  - "DEBUG"
+  - "DEBUG,CODE_STYLE"
@@ -6,34 +6,34 @@

 # Connectors

-/Connectors/ArcGIS/* @KatKatKateryna
-/Connectors/Autocad/* @clairekuang @oguzhankoral @didimitrie
-/Connectors/Civil3d/* @clairekuang @oguzhankoral @didimitrie
+/Connectors/Autocad/* @oguzhankoral @JR-Morgan @dogukankaratas
+/Connectors/Civil3d/* @oguzhankoral @JR-Morgan @dogukankaratas
 /Connectors/CSi/* @bjoernsteinhagen @dogukankaratas
 /Connectors/Navisworks/* @jsdbroughton
-/Connectors/Revit/* @clairekuang @oguzhankoral @didimitrie
-/Connectors/Rhino/* @clairekuang @oguzhankoral @didimitrie
+/Connectors/Revit/* @oguzhankoral
+/Connectors/Rhino/* @oguzhankoral @JR-Morgan
 /Connectors/Tekla/* @bjoernsteinhagen @dogukankaratas

 # Converters
-/Convertors/ArcGIS/* @KatKatKateryna
-/Convertors/Autocad/* @clairekuang @oguzhankoral @didimitrie
-/Convertors/Civil3d/* @clairekuang @oguzhankoral @didimitrie
+/Convertors/Autocad/* @oguzhankoral @JR-Morgan @dogukankaratas
+/Convertors/Civil3d/* @oguzhankoral @JR-Morgan @dogukankaratas
 /Convertors/CSi/* @bjoernsteinhagen @dogukankaratas
 /Convertors/Navisworks/* @jsdbroughton
-/Convertors/Revit/* @clairekuang @oguzhankoral @didimitrie
-/Convertors/Rhino/* @clairekuang @oguzhankoral @didimitrie
+/Convertors/Revit/* @oguzhankoral
+/Convertors/Rhino/* @oguzhankoral @JR-Morgan
 /Convertors/Tekla/* @bjoernsteinhagen @dogukankaratas

 # DUI

-/DUI3/* @clairekuang @oguzhankoral @didimitrie
+/DUI3/* @oguzhankoral

 # Importers
-/Importers/* @JR-Morgan @didimitrie @oguzhankoral @adamhathcock
+/Importers/* @JR-Morgan @oguzhankoral

 # SDK
-/SDK/* @JR-Morgan @clairekuang @didimitrie @oguzhankoral @adamhathcock
+/SDK/* @JR-Morgan @oguzhankoral

 # Build
-/Build/* @JR-Morgan @oguzhankoral @adamhathcock
+/Build/* @JR-Morgan @oguzhankoral
+/.github/* @JR-Morgan @oguzhankoral
+/.config/* @JR-Morgan @oguzhankoral
@@ -1,34 +1,16 @@
-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:
      - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
        with:
          fetch-depth: 0

@@ -38,19 +20,23 @@ jobs:
          dotnet-version: 8.0.4xx # Align with global.json (including roll forward rules)

      - name: Cache Nuget
-        uses: actions/cache@v4
+        uses: actions/cache@v5
        with:
          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
+        uses: codecov/codecov-action@v6
        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"
@@ -16,7 +16,7 @@ jobs:
      file_version: ${{ steps.set-version.outputs.file_version }}
    steps:
      - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
        with:
          fetch-depth: 0

@@ -26,16 +26,16 @@ jobs:
          dotnet-version: 8.0.4xx # Align with global.json (including roll forward rules)

      - name: Cache Nuget
-        uses: actions/cache@v4
+        uses: actions/cache@v5
        with:
          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@v7
        with:
          name: output-${{ env.SEMVER }}
          path: output/*.*
@@ -51,65 +51,29 @@ jobs:

  deploy-installers:
    runs-on: ubuntu-latest
-    needs: build-windows
+    needs: build-connectors
    env:
      IS_PUBLIC_RELEASE: ${{ github.ref_type == 'tag' }}
    steps:
      - name: 🔫 Trigger Build Installers
-        uses: the-actions-org/workflow-dispatch@v4.0.0
+        uses: benc-uk/workflow-dispatch@v1
        with:
          workflow: Build Installers
          repo: specklesystems/connector-installers
          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 }}
            }'
          ref: main
          wait-for-completion: true
-          wait-for-completion-interval: 10s
-          wait-for-completion-timeout: 10m
-          display-workflow-run-url: true
-          display-workflow-run-url-interval: 10s
+          sync-status: true
+        timeout-minutes: 15

-      - uses: geekyeggo/delete-artifact@v5
+      # 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@v6
        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
@@ -21,3 +21,5 @@ tools
 coverage.xml
 output/
 Images/Thumbs.db
+
+.claude/
@@ -1,5 +1,4 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net8.0</TargetFramework>
@@ -20,7 +20,7 @@ public static class Consts
        new("Connectors/Revit/Speckle.Connectors.Revit2023", "net48"),
        new("Connectors/Revit/Speckle.Connectors.Revit2024", "net48"),
        new("Connectors/Revit/Speckle.Connectors.Revit2025", "net8.0-windows"),
-        new("Connectors/Revit/Speckle.Connectors.Revit2026", "net8.0-windows")
+        new("Connectors/Revit/Speckle.Connectors.Revit2026", "net8.0-windows"),
      ]
    ),
    new(
@@ -30,7 +30,7 @@ public static class Consts
        new("Connectors/Autocad/Speckle.Connectors.Autocad2023", "net48"),
        new("Connectors/Autocad/Speckle.Connectors.Autocad2024", "net48"),
        new("Connectors/Autocad/Speckle.Connectors.Autocad2025", "net8.0-windows"),
-        new("Connectors/Autocad/Speckle.Connectors.Autocad2026", "net8.0-windows")
+        new("Connectors/Autocad/Speckle.Connectors.Autocad2026", "net8.0-windows"),
      ]
    ),
    new(
@@ -40,9 +40,10 @@ public static class Consts
        new("Connectors/Autocad/Speckle.Connectors.Civil3d2023", "net48"),
        new("Connectors/Autocad/Speckle.Connectors.Civil3d2024", "net48"),
        new("Connectors/Autocad/Speckle.Connectors.Civil3d2025", "net8.0-windows"),
-        new("Connectors/Autocad/Speckle.Connectors.Civil3d2026", "net8.0-windows")
+        new("Connectors/Autocad/Speckle.Connectors.Civil3d2026", "net8.0-windows"),
      ]
    ),
+    new("plant3d", [new("Connectors/Autocad/Speckle.Connectors.Plant3d2026", "net8.0-windows")]),
    new(
      "navisworks",
      [
@@ -52,7 +53,7 @@ public static class Consts
        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2023", "net48"),
        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2024", "net48"),
        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2025", "net48"),
-        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2026", "net48")
+        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2026", "net48"),
      ]
    ),
    new(
@@ -60,7 +61,7 @@ public static class Consts
      [
        new("Connectors/Tekla/Speckle.Connector.Tekla2023", "net48"),
        new("Connectors/Tekla/Speckle.Connector.Tekla2024", "net48"),
-        new("Connectors/Tekla/Speckle.Connector.Tekla2025", "net48")
+        new("Connectors/Tekla/Speckle.Connector.Tekla2025", "net48"),
      ]
    ),
    new(
@@ -69,7 +70,8 @@ public static class Consts
        new("Connectors/CSi/Speckle.Connectors.ETABS21", "net48"),
        new("Connectors/CSi/Speckle.Connectors.ETABS22", "net8.0-windows"),
      ]
-    )
+    ),
+    new("rhino-importer", [new("Importers/Rhino/Speckle.Importers.JobProcessor", "net8.0-windows")]),
  };
 }

@@ -23,9 +23,9 @@ public static class Github
      {
        Accept = { new MediaTypeWithQualityHeaderValue("application/vnd.github+json") },
        Authorization = new AuthenticationHeaderValue("Bearer", token),
-        UserAgent = { new ProductInfoHeaderValue("Speckle.build", "3.0.0") }
+        UserAgent = { new ProductInfoHeaderValue("Speckle.build", "3.0.0") },
      },
-      Content = content
+      Content = content,
    };
    request.Headers.Add("X-GitHub-Api-Version", "2022-11-28");
    var response = await client.SendAsync(request);
@@ -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>();
@@ -144,13 +145,13 @@ Target(
  DependsOn(RESTORE_TOOLS),
  () =>
  {
-    Run("dotnet", "csharpier --check .");
+    Run("dotnet", "csharpier check ./");
  }
 );

 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",
@@ -1,4 +1,4 @@
 CA1502: 25
 CA1501: 5
-CA1506(Method): 50
+CA1506(Method): 60
 CA1506(Type): 95
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project>
  <Target AfterTargets="Clean" Name="CleanAddinAutocad" Condition="'$(AutoCADVersion)' != '' And '$(ContinuousIntegrationBuild)' != 'true' And '$(OS)' == 'Windows_NT'">
-    <RemoveDir Directories="$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Autocad$(AutoCADVersion);" />
+    <RemoveDir Directories="$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Autocad.bundle\Contents\Windows\Speckle.Connectors.Autocad$(AutoCADVersion);" />
  </Target>

  <Target AfterTargets="Build"  Name="AfterBuildAutoCAD" Condition="'$(AutoCADVersion)' != '' And '$(ContinuousIntegrationBuild)' != 'true' And '$(OS)' == 'Windows_NT'">
@@ -9,11 +9,12 @@
      <AutoCADDLLs Include="$(TargetDir)\**\*.*" />
    </ItemGroup>
    <Message Text="AutoCAD Version $(AutoCADVersion)" Importance="high"/>
-    <Copy DestinationFolder="$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Autocad$(AutoCADVersion)\%(RecursiveDir)" SourceFiles="@(AutoCADDLLs)" />
+    <Copy DestinationFolder="$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Autocad.bundle\Contents\Windows\Speckle.Connectors.Autocad$(AutoCADVersion)\%(RecursiveDir)" SourceFiles="@(AutoCADDLLs)" />
+    <Copy DestinationFolder="$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Autocad.bundle\" SourceFiles="$(TargetDir)\Plugin\BundleAutoCAD\PackageContents.xml" />
  </Target>

  <Target AfterTargets="Clean" Name="CleanAddinCivil3D" Condition="'$(Civil3DVersion)' != '' And '$(ContinuousIntegrationBuild)' != 'true' And '$(OS)' == 'Windows_NT'">
-    <RemoveDir Directories="$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Civil3d$(Civil3DVersion);" />
+    <RemoveDir Directories="$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Civil3d.bundle\Contents\Windows\Speckle.Connectors.Civil3d$(Civil3DVersion);" />
  </Target>

  <Target AfterTargets="Build"  Name="AfterBuildCivil3D" Condition="'$(Civil3DVersion)' != '' And '$(ContinuousIntegrationBuild)' != 'true' And '$(OS)' == 'Windows_NT'">
@@ -21,7 +22,8 @@
      <Civil3DDLLs Include="$(TargetDir)\**\*.*" />
    </ItemGroup>
    <Message Text="Civil3D Version $(Civil3DVersion)" Importance="high"/>
-    <Copy DestinationFolder="$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Civil3d$(Civil3DVersion)\%(RecursiveDir)" SourceFiles="@(Civil3DDLLs)" />
+    <Copy DestinationFolder="$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Civil3d.bundle\Contents\Windows\Speckle.Connectors.Civil3d$(Civil3DVersion)\%(RecursiveDir)" SourceFiles="@(Civil3DDLLs)" />
+    <Copy DestinationFolder="$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Civil3d.bundle\" SourceFiles="$(TargetDir)\Plugin\BundleCivil3D\PackageContents.xml" />
  </Target>

  <PropertyGroup Condition="'$(AutoCADVersion)' != '' And '$(ContinuousIntegrationBuild)' != 'true' And '$(OS)' == 'Windows_NT'">
@@ -33,4 +35,23 @@
    <StartProgram>$(ProgramW6432)\Autodesk\AutoCAD $(Civil3DVersion)\acad.exe</StartProgram>
    <StartArguments>/product C3D</StartArguments>
  </PropertyGroup>
+
+  <Target AfterTargets="Clean" Name="CleanAddinPlant3D" Condition="'$(Plant3DVersion)' != '' And '$(ContinuousIntegrationBuild)' != 'true' And '$(OS)' == 'Windows_NT'">
+    <RemoveDir Directories="$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Plant3d.bundle\Contents\Windows\Speckle.Connectors.Plant3d$(Plant3DVersion);" />
+  </Target>
+
+  <Target AfterTargets="Build"  Name="AfterBuildPlant3D" Condition="'$(Plant3DVersion)' != '' And '$(ContinuousIntegrationBuild)' != 'true' And '$(OS)' == 'Windows_NT'">
+    <ItemGroup>
+      <Plant3DDLLs Include="$(TargetDir)\**\*.*" />
+    </ItemGroup>
+    <Message Text="Plant3D Version $(Plant3DVersion)" Importance="high"/>
+    <Copy DestinationFolder="$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Plant3d.bundle\Contents\Windows\Speckle.Connectors.Plant3d$(Plant3DVersion)\%(RecursiveDir)" SourceFiles="@(Plant3DDLLs)" />
+    <Copy DestinationFolder="$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Plant3d.bundle\" SourceFiles="$(TargetDir)\Plugin\BundlePlant3D\PackageContents.xml" />
+  </Target>
+
+  <PropertyGroup Condition="'$(Plant3DVersion)' != '' And '$(ContinuousIntegrationBuild)' != 'true' And '$(OS)' == 'Windows_NT'">
+    <StartAction>Program</StartAction>
+    <StartProgram>$(ProgramW6432)\Autodesk\AutoCAD $(Plant3DVersion)\acad.exe</StartProgram>
+    <StartArguments>/product PLNT3D</StartArguments>
+  </PropertyGroup>
 </Project>
@@ -7,16 +7,16 @@
    <DefineConstants>$(DefineConstants);AUTOCAD;AUTOCAD2022;AUTOCAD2022_OR_GREATER</DefineConstants>
    <Configurations>Debug;Release;Local</Configurations>
  </PropertyGroup>
-  
+
  <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2022.0.2" ExcludeAssets="runtime"/>
-  </ItemGroup>  
-  
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2022.0.2" ExcludeAssets="runtime" />
+  </ItemGroup>
+
  <ItemGroup>
    <ProjectReference Include="..\..\..\Converters\Autocad\Speckle.Converters.Autocad2022\Speckle.Converters.Autocad2022.csproj" />
    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
    <ProjectReference Include="..\..\..\Sdk\Speckle.Converters.Common\Speckle.Converters.Common.csproj" />
  </ItemGroup>
-  
+
  <Import Project="..\Speckle.Connectors.AutocadShared\Speckle.Connectors.AutocadShared.projitems" Label="Shared" />
 </Project>
@@ -73,8 +73,8 @@
      },
      "Microsoft.Bcl.AsyncInterfaces": {
        "type": "Transitive",
-        "resolved": "5.0.0",
-        "contentHash": "W8DPQjkMScOMTtJbPwmPyj9c3zYSFGawDW3jwlBOOsnY+EzZFLgNQ/UMkK35JmkNOVPdCyPr2Tw7Vv9N+KA3ZQ==",
+        "resolved": "9.0.4",
+        "contentHash": "9VGI5kxIvrNG2mqLQZnUR6y/3fcnygD8eNpHR+CqfbnIXvea6nehnYknDKQTxZVPMpzpNca+7DxLBmpdB3q0Bw==",
        "dependencies": {
          "System.Threading.Tasks.Extensions": "4.5.4"
        }
@@ -169,6 +169,29 @@
        "resolved": "13.0.2",
        "contentHash": "g1BejUZwax5PRfL6xHgLEK23sqHWOgOj9hE7RvfRRlN00AGt8GnPYt8HedSK7UB3HiRW8zCA9Pn0iiYxCK24BA=="
      },
+      "Speckle.Sdk": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "6gmPoWTv7DwqvUae57wCLF93upE9RIjaCZFue9UMY4I6FB8vLbMGfcyiUwnUY551WlGOual15ISS3G15/kMmnw==",
+        "dependencies": {
+          "GraphQL.Client": "6.0.0",
+          "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": "3.15.3"
+        }
+      },
+      "Speckle.Sdk.Dependencies": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "VLgyGi1kQNWe0fzRO0U3qnZZUQGDeFacnpn25Yy3esE0qeo4tqa1BrvXPv2ivEZbbhBkkg6+Gd+CztDIyw3Y/w==",
+        "dependencies": {
+          "Microsoft.Bcl.AsyncInterfaces": "9.0.4"
+        }
+      },
      "SQLitePCLRaw.bundle_e_sqlite3": {
        "type": "Transitive",
        "resolved": "2.1.4",
@@ -259,9 +282,8 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.3, )",
-          "Speckle.Sdk": "[3.5.3, )",
-          "Speckle.Sdk.Dependencies": "[3.5.3, )"
+          "Speckle.Converters.Common": "[1.0.0, )",
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "speckle.connectors.dui": {
@@ -292,7 +314,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.3, )"
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "Microsoft.Extensions.DependencyInjection": {
@@ -336,35 +358,12 @@
      },
      "Speckle.Objects": {
        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "T3xwwoALVGmhIuEjlDrTdDXZ9haFILT32r8OACWrRUItU3xMkOWGyob51Ca1MHPmo8B5gvbk2Gnm8AgReGnxWg==",
+        "requested": "[3.15.3, )",
+        "resolved": "3.15.3",
+        "contentHash": "zmHnLKR46in0xH5ashD+ENlYUPDktUMZhXYYOb8aWHAG3Zxai2WvmDJtdf7pV9GTafkpR6fCo2EQTeCoY+XXxQ==",
        "dependencies": {
-          "Speckle.Sdk": "3.5.3"
+          "Speckle.Sdk": "3.15.3"
        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "o+HefwtPZBqyuUHEnKF+qb/ctCAlNc2BYIw3ULEsZ93zweHt5wOMvOeuPxIXR0Gvj3fg6yNlY2nUcdFEduIXYA==",
-        "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": "3.5.3"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "kC15SE4yZoVTasgywCm0SpY9yjBsQeUIDt4qoscYAgbn9pe0jj3uM0hZeJUCxn9Fdoj64OfQBpCKzR7VqhkwHQ=="
      }
    }
  }
@@ -7,16 +7,16 @@
    <DefineConstants>$(DefineConstants);AUTOCAD;AUTOCAD2023;AUTOCAD2022_OR_GREATER;AUTOCAD2023_OR_GREATER</DefineConstants>
    <Configurations>Debug;Release;Local</Configurations>
  </PropertyGroup>
-  
+
  <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2023.0.0" ExcludeAssets="runtime"/>
-  </ItemGroup>  
-  
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2023.0.0" ExcludeAssets="runtime" />
+  </ItemGroup>
+
  <ItemGroup>
    <ProjectReference Include="..\..\..\Converters\Autocad\Speckle.Converters.Autocad2023\Speckle.Converters.Autocad2023.csproj" />
    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
    <ProjectReference Include="..\..\..\Sdk\Speckle.Converters.Common\Speckle.Converters.Common.csproj" />
  </ItemGroup>
-  
+
  <Import Project="..\Speckle.Connectors.AutocadShared\Speckle.Connectors.AutocadShared.projitems" Label="Shared" />
 </Project>
@@ -73,8 +73,8 @@
      },
      "Microsoft.Bcl.AsyncInterfaces": {
        "type": "Transitive",
-        "resolved": "5.0.0",
-        "contentHash": "W8DPQjkMScOMTtJbPwmPyj9c3zYSFGawDW3jwlBOOsnY+EzZFLgNQ/UMkK35JmkNOVPdCyPr2Tw7Vv9N+KA3ZQ==",
+        "resolved": "9.0.4",
+        "contentHash": "9VGI5kxIvrNG2mqLQZnUR6y/3fcnygD8eNpHR+CqfbnIXvea6nehnYknDKQTxZVPMpzpNca+7DxLBmpdB3q0Bw==",
        "dependencies": {
          "System.Threading.Tasks.Extensions": "4.5.4"
        }
@@ -169,6 +169,29 @@
        "resolved": "13.0.2",
        "contentHash": "g1BejUZwax5PRfL6xHgLEK23sqHWOgOj9hE7RvfRRlN00AGt8GnPYt8HedSK7UB3HiRW8zCA9Pn0iiYxCK24BA=="
      },
+      "Speckle.Sdk": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "6gmPoWTv7DwqvUae57wCLF93upE9RIjaCZFue9UMY4I6FB8vLbMGfcyiUwnUY551WlGOual15ISS3G15/kMmnw==",
+        "dependencies": {
+          "GraphQL.Client": "6.0.0",
+          "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": "3.15.3"
+        }
+      },
+      "Speckle.Sdk.Dependencies": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "VLgyGi1kQNWe0fzRO0U3qnZZUQGDeFacnpn25Yy3esE0qeo4tqa1BrvXPv2ivEZbbhBkkg6+Gd+CztDIyw3Y/w==",
+        "dependencies": {
+          "Microsoft.Bcl.AsyncInterfaces": "9.0.4"
+        }
+      },
      "SQLitePCLRaw.bundle_e_sqlite3": {
        "type": "Transitive",
        "resolved": "2.1.4",
@@ -259,9 +282,8 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.3, )",
-          "Speckle.Sdk": "[3.5.3, )",
-          "Speckle.Sdk.Dependencies": "[3.5.3, )"
+          "Speckle.Converters.Common": "[1.0.0, )",
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "speckle.connectors.dui": {
@@ -292,7 +314,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.3, )"
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "Microsoft.Extensions.DependencyInjection": {
@@ -336,35 +358,12 @@
      },
      "Speckle.Objects": {
        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "T3xwwoALVGmhIuEjlDrTdDXZ9haFILT32r8OACWrRUItU3xMkOWGyob51Ca1MHPmo8B5gvbk2Gnm8AgReGnxWg==",
+        "requested": "[3.15.3, )",
+        "resolved": "3.15.3",
+        "contentHash": "zmHnLKR46in0xH5ashD+ENlYUPDktUMZhXYYOb8aWHAG3Zxai2WvmDJtdf7pV9GTafkpR6fCo2EQTeCoY+XXxQ==",
        "dependencies": {
-          "Speckle.Sdk": "3.5.3"
+          "Speckle.Sdk": "3.15.3"
        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "o+HefwtPZBqyuUHEnKF+qb/ctCAlNc2BYIw3ULEsZ93zweHt5wOMvOeuPxIXR0Gvj3fg6yNlY2nUcdFEduIXYA==",
-        "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": "3.5.3"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "kC15SE4yZoVTasgywCm0SpY9yjBsQeUIDt4qoscYAgbn9pe0jj3uM0hZeJUCxn9Fdoj64OfQBpCKzR7VqhkwHQ=="
      }
    }
  }
@@ -7,16 +7,16 @@
    <DefineConstants>$(DefineConstants);AUTOCAD;AUTOCAD2024;AUTOCAD2022_OR_GREATER;AUTOCAD2023_OR_GREATER;AUTOCAD2024_OR_GREATER</DefineConstants>
    <Configurations>Debug;Release;Local</Configurations>
  </PropertyGroup>
-  
+
+  <ItemGroup>
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2024.0.0" ExcludeAssets="runtime" />
+  </ItemGroup>
+
  <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2024.0.0" ExcludeAssets="runtime"/>
-  </ItemGroup>  
-  
-  <ItemGroup>   
    <ProjectReference Include="..\..\..\Converters\Autocad\Speckle.Converters.Autocad2024\Speckle.Converters.Autocad2024.csproj" />
    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
    <ProjectReference Include="..\..\..\Sdk\Speckle.Converters.Common\Speckle.Converters.Common.csproj" />
  </ItemGroup>
-  
+
  <Import Project="..\Speckle.Connectors.AutocadShared\Speckle.Connectors.AutocadShared.projitems" Label="Shared" />
 </Project>
@@ -73,8 +73,8 @@
      },
      "Microsoft.Bcl.AsyncInterfaces": {
        "type": "Transitive",
-        "resolved": "5.0.0",
-        "contentHash": "W8DPQjkMScOMTtJbPwmPyj9c3zYSFGawDW3jwlBOOsnY+EzZFLgNQ/UMkK35JmkNOVPdCyPr2Tw7Vv9N+KA3ZQ==",
+        "resolved": "9.0.4",
+        "contentHash": "9VGI5kxIvrNG2mqLQZnUR6y/3fcnygD8eNpHR+CqfbnIXvea6nehnYknDKQTxZVPMpzpNca+7DxLBmpdB3q0Bw==",
        "dependencies": {
          "System.Threading.Tasks.Extensions": "4.5.4"
        }
@@ -169,6 +169,29 @@
        "resolved": "13.0.2",
        "contentHash": "g1BejUZwax5PRfL6xHgLEK23sqHWOgOj9hE7RvfRRlN00AGt8GnPYt8HedSK7UB3HiRW8zCA9Pn0iiYxCK24BA=="
      },
+      "Speckle.Sdk": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "6gmPoWTv7DwqvUae57wCLF93upE9RIjaCZFue9UMY4I6FB8vLbMGfcyiUwnUY551WlGOual15ISS3G15/kMmnw==",
+        "dependencies": {
+          "GraphQL.Client": "6.0.0",
+          "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": "3.15.3"
+        }
+      },
+      "Speckle.Sdk.Dependencies": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "VLgyGi1kQNWe0fzRO0U3qnZZUQGDeFacnpn25Yy3esE0qeo4tqa1BrvXPv2ivEZbbhBkkg6+Gd+CztDIyw3Y/w==",
+        "dependencies": {
+          "Microsoft.Bcl.AsyncInterfaces": "9.0.4"
+        }
+      },
      "SQLitePCLRaw.bundle_e_sqlite3": {
        "type": "Transitive",
        "resolved": "2.1.4",
@@ -259,9 +282,8 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.3, )",
-          "Speckle.Sdk": "[3.5.3, )",
-          "Speckle.Sdk.Dependencies": "[3.5.3, )"
+          "Speckle.Converters.Common": "[1.0.0, )",
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "speckle.connectors.dui": {
@@ -293,7 +315,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.3, )"
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "Microsoft.Extensions.DependencyInjection": {
@@ -337,35 +359,12 @@
      },
      "Speckle.Objects": {
        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "T3xwwoALVGmhIuEjlDrTdDXZ9haFILT32r8OACWrRUItU3xMkOWGyob51Ca1MHPmo8B5gvbk2Gnm8AgReGnxWg==",
+        "requested": "[3.15.3, )",
+        "resolved": "3.15.3",
+        "contentHash": "zmHnLKR46in0xH5ashD+ENlYUPDktUMZhXYYOb8aWHAG3Zxai2WvmDJtdf7pV9GTafkpR6fCo2EQTeCoY+XXxQ==",
        "dependencies": {
-          "Speckle.Sdk": "3.5.3"
+          "Speckle.Sdk": "3.15.3"
        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "o+HefwtPZBqyuUHEnKF+qb/ctCAlNc2BYIw3ULEsZ93zweHt5wOMvOeuPxIXR0Gvj3fg6yNlY2nUcdFEduIXYA==",
-        "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": "3.5.3"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "kC15SE4yZoVTasgywCm0SpY9yjBsQeUIDt4qoscYAgbn9pe0jj3uM0hZeJUCxn9Fdoj64OfQBpCKzR7VqhkwHQ=="
      }
    }
  }
@@ -8,20 +8,23 @@

  <PropertyGroup>
    <!-- .NET Core uses this to move native dependencies into a root for runtime selection and usage for non-windows development https://learn.microsoft.com/en-us/dotnet/core/project-sdk/msbuild-props#enablewindowstargeting -->
-    <RuntimeIdentifier>win-x64</RuntimeIdentifier> <!--This is needed for managed dependencies-->
-    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies> <!--This is needed for the rest-->
-    <AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath> <!--This is needed just to keep folder paths the same as the netframework versions of autocad/civil-->
+    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
+    <!--This is needed for managed dependencies-->
+    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
+    <!--This is needed for the rest-->
+    <AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath>
+    <!--This is needed just to keep folder paths the same as the netframework versions of autocad/civil-->
  </PropertyGroup>
-  
+
+  <ItemGroup>
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2025.0.0" ExcludeAssets="runtime" />
+  </ItemGroup>
+
  <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2025.0.0" ExcludeAssets="runtime"/>
-  </ItemGroup>  
-  
-  <ItemGroup>   
    <ProjectReference Include="..\..\..\Converters\Autocad\Speckle.Converters.Autocad2025\Speckle.Converters.Autocad2025.csproj" />
    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
    <ProjectReference Include="..\..\..\Sdk\Speckle.Converters.Common\Speckle.Converters.Common.csproj" />
  </ItemGroup>
-  
+
  <Import Project="..\Speckle.Connectors.AutocadShared\Speckle.Connectors.AutocadShared.projitems" Label="Shared" />
 </Project>
@@ -155,6 +155,25 @@
        "resolved": "13.0.2",
        "contentHash": "g1BejUZwax5PRfL6xHgLEK23sqHWOgOj9hE7RvfRRlN00AGt8GnPYt8HedSK7UB3HiRW8zCA9Pn0iiYxCK24BA=="
      },
+      "Speckle.Sdk": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "6gmPoWTv7DwqvUae57wCLF93upE9RIjaCZFue9UMY4I6FB8vLbMGfcyiUwnUY551WlGOual15ISS3G15/kMmnw==",
+        "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": "3.15.3"
+        }
+      },
+      "Speckle.Sdk.Dependencies": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "VLgyGi1kQNWe0fzRO0U3qnZZUQGDeFacnpn25Yy3esE0qeo4tqa1BrvXPv2ivEZbbhBkkg6+Gd+CztDIyw3Y/w=="
+      },
      "SQLitePCLRaw.bundle_e_sqlite3": {
        "type": "Transitive",
        "resolved": "2.1.4",
@@ -210,9 +229,8 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.3, )",
-          "Speckle.Sdk": "[3.5.3, )",
-          "Speckle.Sdk.Dependencies": "[3.5.3, )"
+          "Speckle.Converters.Common": "[1.0.0, )",
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "speckle.connectors.dui": {
@@ -244,7 +262,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.3, )"
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "Microsoft.Extensions.DependencyInjection": {
@@ -288,33 +306,12 @@
      },
      "Speckle.Objects": {
        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "T3xwwoALVGmhIuEjlDrTdDXZ9haFILT32r8OACWrRUItU3xMkOWGyob51Ca1MHPmo8B5gvbk2Gnm8AgReGnxWg==",
+        "requested": "[3.15.3, )",
+        "resolved": "3.15.3",
+        "contentHash": "zmHnLKR46in0xH5ashD+ENlYUPDktUMZhXYYOb8aWHAG3Zxai2WvmDJtdf7pV9GTafkpR6fCo2EQTeCoY+XXxQ==",
        "dependencies": {
-          "Speckle.Sdk": "3.5.3"
+          "Speckle.Sdk": "3.15.3"
        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "o+HefwtPZBqyuUHEnKF+qb/ctCAlNc2BYIw3ULEsZ93zweHt5wOMvOeuPxIXR0Gvj3fg6yNlY2nUcdFEduIXYA==",
-        "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": "3.5.3"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "kC15SE4yZoVTasgywCm0SpY9yjBsQeUIDt4qoscYAgbn9pe0jj3uM0hZeJUCxn9Fdoj64OfQBpCKzR7VqhkwHQ=="
      }
    },
    "net8.0-windows7.0/win-x64": {
@@ -8,20 +8,23 @@

  <PropertyGroup>
    <!-- .NET Core uses this to move native dependencies into a root for runtime selection and usage for non-windows development https://learn.microsoft.com/en-us/dotnet/core/project-sdk/msbuild-props#enablewindowstargeting -->
-    <RuntimeIdentifier>win-x64</RuntimeIdentifier> <!--This is needed for managed dependencies-->
-    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies> <!--This is needed for the rest-->
-    <AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath> <!--This is needed just to keep folder paths the same as the netframework versions of autocad/civil-->
+    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
+    <!--This is needed for managed dependencies-->
+    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
+    <!--This is needed for the rest-->
+    <AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath>
+    <!--This is needed just to keep folder paths the same as the netframework versions of autocad/civil-->
  </PropertyGroup>
-  
+
+  <ItemGroup>
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2026.0.0" ExcludeAssets="runtime" />
+  </ItemGroup>
+
  <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2026.0.0" ExcludeAssets="runtime"/>
-  </ItemGroup>  
-  
-  <ItemGroup>   
    <ProjectReference Include="..\..\..\Converters\Autocad\Speckle.Converters.Autocad2026\Speckle.Converters.Autocad2026.csproj" />
    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
    <ProjectReference Include="..\..\..\Sdk\Speckle.Converters.Common\Speckle.Converters.Common.csproj" />
  </ItemGroup>
-  
+
  <Import Project="..\Speckle.Connectors.AutocadShared\Speckle.Connectors.AutocadShared.projitems" Label="Shared" />
 </Project>
@@ -155,6 +155,25 @@
        "resolved": "13.0.2",
        "contentHash": "g1BejUZwax5PRfL6xHgLEK23sqHWOgOj9hE7RvfRRlN00AGt8GnPYt8HedSK7UB3HiRW8zCA9Pn0iiYxCK24BA=="
      },
+      "Speckle.Sdk": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "6gmPoWTv7DwqvUae57wCLF93upE9RIjaCZFue9UMY4I6FB8vLbMGfcyiUwnUY551WlGOual15ISS3G15/kMmnw==",
+        "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": "3.15.3"
+        }
+      },
+      "Speckle.Sdk.Dependencies": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "VLgyGi1kQNWe0fzRO0U3qnZZUQGDeFacnpn25Yy3esE0qeo4tqa1BrvXPv2ivEZbbhBkkg6+Gd+CztDIyw3Y/w=="
+      },
      "SQLitePCLRaw.bundle_e_sqlite3": {
        "type": "Transitive",
        "resolved": "2.1.4",
@@ -210,9 +229,8 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.3, )",
-          "Speckle.Sdk": "[3.5.3, )",
-          "Speckle.Sdk.Dependencies": "[3.5.3, )"
+          "Speckle.Converters.Common": "[1.0.0, )",
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "speckle.connectors.dui": {
@@ -244,7 +262,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.3, )"
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "Microsoft.Extensions.DependencyInjection": {
@@ -288,33 +306,12 @@
      },
      "Speckle.Objects": {
        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "T3xwwoALVGmhIuEjlDrTdDXZ9haFILT32r8OACWrRUItU3xMkOWGyob51Ca1MHPmo8B5gvbk2Gnm8AgReGnxWg==",
+        "requested": "[3.15.3, )",
+        "resolved": "3.15.3",
+        "contentHash": "zmHnLKR46in0xH5ashD+ENlYUPDktUMZhXYYOb8aWHAG3Zxai2WvmDJtdf7pV9GTafkpR6fCo2EQTeCoY+XXxQ==",
        "dependencies": {
-          "Speckle.Sdk": "3.5.3"
+          "Speckle.Sdk": "3.15.3"
        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "o+HefwtPZBqyuUHEnKF+qb/ctCAlNc2BYIw3ULEsZ93zweHt5wOMvOeuPxIXR0Gvj3fg6yNlY2nUcdFEduIXYA==",
-        "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": "3.5.3"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "kC15SE4yZoVTasgywCm0SpY9yjBsQeUIDt4qoscYAgbn9pe0jj3uM0hZeJUCxn9Fdoj64OfQBpCKzR7VqhkwHQ=="
      }
    },
    "net8.0-windows7.0/win-x64": {
@@ -1,6 +1,7 @@
 using System.Collections.Concurrent;
 using System.Diagnostics.CodeAnalysis;
 using Autodesk.AutoCAD.DatabaseServices;
+using Autodesk.AutoCAD.Geometry;
 using Speckle.Connectors.Autocad.HostApp.Extensions;
 using Speckle.Connectors.Common.Caching;
 using Speckle.Connectors.Common.Cancellation;
@@ -40,6 +41,9 @@ public abstract class AutocadSendBaseBinding : ISendBinding
  /// </summary>
  private ConcurrentBag<string> ChangedObjectIds { get; set; } = new();

+  private readonly List<string> _docSubsTracker = new();
+  private readonly Dictionary<string, Matrix3d> _docUcsTracker = new();
+
  protected AutocadSendBaseBinding(
    DocumentModelStore store,
    IBrowserBridge parent,
@@ -71,6 +75,10 @@ public abstract class AutocadSendBaseBinding : ISendBinding
      // catches the case when autocad just opens up with a blank new doc
      SubscribeToObjectChanges(Application.DocumentManager.CurrentDocument);
    }
+
+    Application.SystemVariableChanged += (_, e) =>
+      _topLevelExceptionHandler.CatchUnhandled(() => OnSystemVariableChanged(e));
+
    // Since ids of the objects generates from same seed, we should clear the cache always whenever doc swapped.
    _store.DocumentChanged += (_, _) =>
    {
@@ -78,8 +86,6 @@ public abstract class AutocadSendBaseBinding : ISendBinding
    };
  }

-  private readonly List<string> _docSubsTracker = new();
-
  private void SubscribeToObjectChanges(Document doc)
  {
    if (doc == null || doc.Database == null || _docSubsTracker.Contains(doc.Name))
@@ -88,11 +94,58 @@ public abstract class AutocadSendBaseBinding : ISendBinding
    }

    _docSubsTracker.Add(doc.Name);
+    _docUcsTracker[doc.Name] = doc.Editor.CurrentUserCoordinateSystem;
+
    doc.Database.ObjectAppended += (_, e) => OnObjectChanged(e.DBObject);
    doc.Database.ObjectErased += (_, e) => OnObjectChanged(e.DBObject);
    doc.Database.ObjectModified += (_, e) => OnObjectChanged(e.DBObject);
  }

+  /// <summary>
+  /// Handles system variable changes to detect UCS modifications.
+  /// When UCS changes, clears the conversion cache and expires all sender model cards.
+  /// </summary>
+  private void OnSystemVariableChanged(Autodesk.AutoCAD.ApplicationServices.SystemVariableChangedEventArgs e)
+  {
+    // check if this is a UCS-defining system variable
+    string varName = e.Name.ToUpperInvariant();
+    bool isUcsChange = varName == "UCSNAME" || varName == "UCSORG" || varName == "UCSXDIR" || varName == "UCSYDIR";
+
+    if (!isUcsChange)
+    {
+      return;
+    }
+
+    // get the currently active document
+    Document doc = Application.DocumentManager.MdiActiveDocument;
+    if (doc == null)
+    {
+      return;
+    }
+
+    var currentUcs = doc.Editor.CurrentUserCoordinateSystem;
+
+    // first time tracking this document's UCS
+    if (!_docUcsTracker.TryGetValue(doc.Name, out Matrix3d storedUcs))
+    {
+      _docUcsTracker[doc.Name] = currentUcs;
+      return;
+    }
+
+    // ucs hasn't actually changed (multiple variables fire for single UCS change)
+    if (currentUcs.IsEqualTo(storedUcs))
+    {
+      return;
+    }
+
+    // ucs has changed - all cached conversions invalid
+    _sendConversionCache.ClearCache();
+    _docUcsTracker[doc.Name] = currentUcs;
+
+    // expire all sender model cards
+    _idleManager.SubscribeToIdle(nameof(ExpireAllSenders), async () => await ExpireAllSenders());
+  }
+
  private void OnObjectChanged(DBObject dbObject) =>
    _topLevelExceptionHandler.CatchUnhandled(() => OnChangeChangedObjectIds(dbObject));

@@ -123,6 +176,19 @@ public abstract class AutocadSendBaseBinding : ISendBinding
    ChangedObjectIds = new();
  }

+  /// <summary>
+  /// Expires all sender model cards when a global change occurs (like UCS change).
+  /// </summary>
+  private async Task ExpireAllSenders()
+  {
+    var senders = _store.GetSenders();
+    var expiredSenderIds = senders.Select(s => s.ModelCardId.NotNull()).ToList();
+    if (expiredSenderIds.Count > 0)
+    {
+      await Commands.SetModelsExpired(expiredSenderIds);
+    }
+  }
+
  public List<ISendFilter> GetSendFilters() => _sendFilters;

  public List<ICardSetting> GetSendSettings() => [];
@@ -145,7 +211,9 @@ public abstract class AutocadSendBaseBinding : ISendBinding
        Commands,
        modelCardId,
        (sp, card) => InitializeSettings(sp),
-        card => Application.DocumentManager.CurrentDocument.GetObjects(card.SendFilter.NotNull().RefreshObjectIds())
+        card => Application.DocumentManager.CurrentDocument.GetObjects(card.SendFilter.NotNull().RefreshObjectIds()),
+        Application.DocumentManager.CurrentDocument.Name,
+        null
      );
    }
    finally
@@ -18,6 +18,10 @@ public static class AutocadConnectorModule
    // Send
    serviceCollection.LoadSend();
    serviceCollection.AddScoped<IRootObjectBuilder<AutocadRootObject>, AutocadRootObjectBuilder>();
+    serviceCollection.AddScoped<
+      IRootContinuousTraversalBuilder<AutocadRootObject>,
+      AutocadContinuousTraversalBuilder
+    >();

    // Receive
    serviceCollection.LoadReceive();
@@ -1,9 +1,9 @@
 using Autodesk.AutoCAD.Colors;
 using Microsoft.Extensions.Logging;
-using Speckle.Connectors.Common.Operations;
 using Speckle.InterfaceGenerator;
 using Speckle.Sdk;
 using Speckle.Sdk.Models.Proxies;
+using Speckle.Sdk.Pipelines.Progress;
 using AutocadColor = Autodesk.AutoCAD.Colors.Color;

 namespace Speckle.Connectors.Autocad.HostApp;
@@ -110,22 +110,20 @@ public class AutocadColorUnpacker
    string name = color.ColorNameForDisplay;
    string id = color.GetSpeckleApplicationId();

-    ColorProxy colorProxy =
-      new()
-      {
-        value = argb,
-        applicationId = id,
-        name = name,
-        objects = new()
-      };
+    ColorProxy colorProxy = new()
+    {
+      value = argb,
+      applicationId = id,
+      name = name,
+      objects = new(),
+    };

    // add the color source as well for receiving in other apps
    // POC: in order to support full fidelity color support across autocad and rhino, we need to keep track of the color source property. Not sure if this is the best place to keep track of the source, vs on a ColorSourceProxy or as a property on the atomic object.
-    colorProxy["source"] = color.IsByBlock
-      ? "block"
-      : color.IsByLayer
-        ? "layer"
-        : "object";
+    colorProxy["source"] =
+      color.IsByBlock ? "block"
+      : color.IsByLayer ? "layer"
+      : "object";

    // set additional properties if by aci or by block
    // ByBlock colors for some reason do not have their color value set to the correct color (white): instead it's a near-black
@@ -53,7 +53,7 @@ public class AutocadGroupUnpacker
            {
              applicationId = groupAppId,
              name = group.Name,
-              objects = [applicationId]
+              objects = [applicationId],
            };
          }
        }
@@ -5,7 +5,6 @@ using Microsoft.Extensions.Logging;
 using Speckle.Connectors.Autocad.HostApp.Extensions;
 using Speckle.Connectors.Common.Conversion;
 using Speckle.Connectors.Common.Instances;
-using Speckle.Connectors.Common.Operations;
 using Speckle.Converters.Autocad;
 using Speckle.Converters.Common;
 using Speckle.DoubleNumerics;
@@ -16,6 +15,7 @@ using Speckle.Sdk.Dependencies;
 using Speckle.Sdk.Models;
 using Speckle.Sdk.Models.Collections;
 using Speckle.Sdk.Models.Instances;
+using Speckle.Sdk.Pipelines.Progress;
 using AutocadColor = Autodesk.AutoCAD.Colors.Color;

 namespace Speckle.Connectors.Autocad.HostApp;
@@ -139,7 +139,7 @@ public class AutocadInstanceBaker : IInstanceBaker<IReadOnlyCollection<Entity>>
            ? matId
            : ObjectId.Null;

-          BlockReference blockRef = new(insertionPoint, definitionId) { BlockTransform = matrix3d, Layer = layerName, };
+          BlockReference blockRef = new(insertionPoint, definitionId) { BlockTransform = matrix3d, Layer = layerName };

          if (objColor is not null)
          {
@@ -252,7 +252,7 @@ public class AutocadInstanceBaker : IInstanceBaker<IReadOnlyCollection<Entity>>
      matrix.M41,
      matrix.M42,
      matrix.M43,
-      matrix.M44
+      matrix.M44,
    };

    var m3d = new Matrix3d(scaledTransform);
@@ -291,7 +291,7 @@ public class AutocadInstanceBaker : IInstanceBaker<IReadOnlyCollection<Entity>>
      0.0,
      0.0,
      0.0,
-      matrix[3, 3]
+      matrix[3, 3],
    ];
  }
 }
@@ -3,9 +3,9 @@ using Microsoft.Extensions.Logging;
 using Speckle.Connectors.Autocad.HostApp.Extensions;
 using Speckle.Connectors.Autocad.Operations.Send;
 using Speckle.Connectors.Common.Instances;
+using Speckle.Converters.Autocad.Helpers;
 using Speckle.Converters.AutocadShared.ToSpeckle;
 using Speckle.Converters.Common;
-using Speckle.DoubleNumerics;
 using Speckle.Sdk;
 using Speckle.Sdk.Models.Instances;

@@ -46,6 +46,7 @@ public class AutocadInstanceUnpacker : IInstanceUnpacker<AutocadRootObject>
      {
        UnpackInstance(blockReference, 0, transaction);
      }
+
      _instanceObjectsManager.AddAtomicObject(obj.ApplicationId, obj);
    }
    return _instanceObjectsManager.GetUnpackResult();
@@ -66,15 +67,15 @@ public class AutocadInstanceUnpacker : IInstanceUnpacker<AutocadRootObject>
        ? instance.AnonymousBlockTableRecord
        : instance.BlockTableRecord;

-      InstanceProxy instanceProxy =
-        new()
-        {
-          applicationId = instanceId,
-          definitionId = definitionId.ToString(),
-          maxDepth = depth,
-          transform = GetMatrix(instance.BlockTransform.ToArray()),
-          units = _unitsConverter.ConvertOrThrow(Application.DocumentManager.CurrentDocument.Database.Insunits)
-        };
+      // transforms on instances are always stored in WCS
+      InstanceProxy instanceProxy = new()
+      {
+        applicationId = instanceId,
+        definitionId = definitionId.ToString(),
+        maxDepth = depth,
+        transform = TransformHelper.ConvertToInstanceMatrix4x4(instance.BlockTransform),
+        units = _unitsConverter.ConvertOrThrow(Application.DocumentManager.CurrentDocument.Database.Insunits),
+      };

      var properties = _propertiesExtractor.GetProperties(instance);
      if (properties?.Count > 0)
@@ -151,7 +152,7 @@ public class AutocadInstanceUnpacker : IInstanceUnpacker<AutocadRootObject>
        applicationId = definitionId.ToString(),
        objects = new(),
        maxDepth = depth,
-        name = !instance.AnonymousBlockTableRecord.IsNull ? "Dynamic instance " + definitionId : definition.Name
+        name = !instance.AnonymousBlockTableRecord.IsNull ? "Dynamic instance " + definitionId : definition.Name,
      };

      // Go through each definition object
@@ -173,6 +174,7 @@ public class AutocadInstanceUnpacker : IInstanceUnpacker<AutocadRootObject>
          UnpackInstance(blockReference, depth + 1, transaction);
        }

+        _instanceObjectsManager.AddAtomicDefinitionObjectId(appId);
        _instanceObjectsManager.AddAtomicObject(appId, new(obj, appId));
      }

@@ -183,7 +185,4 @@ public class AutocadInstanceUnpacker : IInstanceUnpacker<AutocadRootObject>
      _logger.LogError(ex, "Failed unpacking Autocad instance");
    }
  }
-
-  private Matrix4x4 GetMatrix(double[] t) =>
-    new(t[0], t[1], t[2], t[3], t[4], t[5], t[6], t[7], t[8], t[9], t[10], t[11], t[12], t[13], t[14], t[15]);
 }
@@ -3,12 +3,12 @@ using Autodesk.AutoCAD.DatabaseServices;
 using Autodesk.AutoCAD.GraphicsInterface;
 using Microsoft.Extensions.Logging;
 using Speckle.Connectors.Common.Conversion;
-using Speckle.Connectors.Common.Operations;
 using Speckle.InterfaceGenerator;
 using Speckle.Objects.Other;
 using Speckle.Sdk;
 using Speckle.Sdk.Common;
 using Speckle.Sdk.Models;
+using Speckle.Sdk.Pipelines.Progress;
 using Material = Autodesk.AutoCAD.DatabaseServices.Material;
 using RenderMaterial = Speckle.Objects.Other.RenderMaterial;

@@ -170,13 +170,12 @@ public class AutocadMaterialBaker : IAutocadMaterialBaker
      MaterialColor diffuseColor = new(Method.Override, 1, entityDiffuseColor);
      MaterialDiffuseComponent diffuse = new(diffuseColor, map);

-      Material mat =
-        new()
-        {
-          Name = matName,
-          Opacity = opacity,
-          Diffuse = diffuse
-        };
+      Material mat = new()
+      {
+        Name = matName,
+        Opacity = opacity,
+        Diffuse = diffuse,
+      };

      if (renderMaterial["reflectivity"] is double reflectivity)
      {
@@ -51,6 +51,12 @@ public class AutocadMaterialUnpacker

        if (transaction.GetObject(entity.MaterialId, OpenMode.ForRead) is Material material)
        {
+          // skip default material
+          if (material.Name == "Global")
+          {
+            continue;
+          }
+
          string materialId = material.GetSpeckleApplicationId();
          if (materialProxies.TryGetValue(materialId, out RenderMaterialProxy? value))
          {
@@ -77,6 +83,12 @@ public class AutocadMaterialUnpacker
      {
        if (transaction.GetObject(layer.MaterialId, OpenMode.ForRead) is Material material)
        {
+          // skip default material
+          if (material.Name == "Global")
+          {
+            continue;
+          }
+
          string materialId = material.GetSpeckleApplicationId();
          string layerId = layer.GetSpeckleApplicationId(); // Do not use handle directly, see note in the 'GetSpeckleApplicationId' method
          if (materialProxies.TryGetValue(materialId, out RenderMaterialProxy? value))
@@ -110,14 +122,13 @@ public class AutocadMaterialUnpacker
      diffuseColor.Blue
    );

-    RenderMaterial renderMaterial =
-      new()
-      {
-        name = material.Name,
-        opacity = material.Opacity.Percentage,
-        diffuse = diffuse.ToArgb(),
-        applicationId = id
-      };
+    RenderMaterial renderMaterial = new()
+    {
+      name = material.Name,
+      opacity = material.Opacity.Percentage,
+      diffuse = diffuse.ToArgb(),
+      applicationId = id,
+    };

    // Add additional properties
    renderMaterial["ior"] = material.Refraction.Index;
@@ -127,7 +138,7 @@ public class AutocadMaterialUnpacker
    {
      value = renderMaterial,
      objects = new(),
-      applicationId = id
+      applicationId = id,
    };
  }
 }
@@ -0,0 +1,297 @@
+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 Speckle.Sdk.Pipelines.Progress;
+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
+    ) { }
 }
@@ -0,0 +1,196 @@
+using System.Diagnostics.CodeAnalysis;
+using Autodesk.AutoCAD.DatabaseServices;
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Autocad.HostApp;
+using Speckle.Connectors.Common.Builders;
+using Speckle.Connectors.Common.Caching;
+using Speckle.Connectors.Common.Conversion;
+using Speckle.Connectors.Common.Extensions;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Converters.Common;
+using Speckle.Sdk;
+using Speckle.Sdk.Logging;
+using Speckle.Sdk.Models;
+using Speckle.Sdk.Models.Collections;
+using Speckle.Sdk.Models.Instances;
+using Speckle.Sdk.Pipelines.Progress;
+using Speckle.Sdk.Pipelines.Send;
+
+namespace Speckle.Connectors.Autocad.Operations.Send;
+
+/// <summary>
+/// Abstract base class for AutoCAD continuous traversal builders that stream objects through a
+/// <see cref="SendPipeline"/> for packfile-based uploads. Same conversion logic as
+/// <see cref="AutocadRootObjectBaseBuilder"/>, but processes elements through the pipeline.
+/// </summary>
+public abstract class AutocadContinuousTraversalBaseBuilder : IRootContinuousTraversalBuilder<AutocadRootObject>
+{
+  private readonly IRootToSpeckleConverter _converter;
+  private readonly string[] _documentPathSeparator = ["\\"];
+  private readonly ISendConversionCache _sendConversionCache;
+  private readonly AutocadInstanceUnpacker _instanceUnpacker;
+  private readonly AutocadMaterialUnpacker _materialUnpacker;
+  private readonly AutocadColorUnpacker _colorUnpacker;
+  private readonly AutocadGroupUnpacker _groupUnpacker;
+  private readonly ILogger<AutocadRootObjectBuilder> _logger;
+  private readonly ISdkActivityFactory _activityFactory;
+
+  protected AutocadContinuousTraversalBaseBuilder(
+    IRootToSpeckleConverter converter,
+    ISendConversionCache sendConversionCache,
+    AutocadInstanceUnpacker instanceObjectManager,
+    AutocadMaterialUnpacker materialUnpacker,
+    AutocadColorUnpacker colorUnpacker,
+    AutocadGroupUnpacker groupUnpacker,
+    ILogger<AutocadRootObjectBuilder> logger,
+    ISdkActivityFactory activityFactory
+  )
+  {
+    _converter = converter;
+    _sendConversionCache = sendConversionCache;
+    _instanceUnpacker = instanceObjectManager;
+    _materialUnpacker = materialUnpacker;
+    _colorUnpacker = colorUnpacker;
+    _groupUnpacker = groupUnpacker;
+    _logger = logger;
+    _activityFactory = activityFactory;
+  }
+
+  [SuppressMessage(
+    "Maintainability",
+    "CA1506:Avoid excessive class coupling",
+    Justification = """
+      It is already simplified but has many different references since it is a builder. Do not know can we simplify it now.
+      Later we might consider to refactor proxies from one proxy manager? but we do not know the shape of it all potential
+      proxy classes yet. So I'm supressing this one now!!!
+      """
+  )]
+  public async Task<RootObjectBuilderResult> Build(
+    IReadOnlyList<AutocadRootObject> objects,
+    string projectId,
+    SendPipeline sendPipeline,
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken
+  )
+  {
+    // 0 - Init the root
+    Collection root = new()
+    {
+      name = Application
+        .DocumentManager.CurrentDocument.Name.Split(_documentPathSeparator, StringSplitOptions.None)
+        .Reverse()
+        .First(),
+    };
+
+    Document doc = Application.DocumentManager.CurrentDocument;
+    using Transaction tr = doc.Database.TransactionManager.StartTransaction();
+
+    // 1 - Unpack the instances
+    var (atomicObjects, _, instanceProxies, instanceDefinitionProxies) = _instanceUnpacker.UnpackSelection(objects);
+    root[ProxyKeys.INSTANCE_DEFINITION] = instanceDefinitionProxies;
+
+    // 2 - Unpack the groups
+    root[ProxyKeys.GROUP] = _groupUnpacker.UnpackGroups(atomicObjects);
+    using (var _ = _activityFactory.Start("Converting objects"))
+    {
+      // 3 - Convert atomic objects and process through pipeline
+      List<LayerTableRecord> usedAcadLayers = new();
+      List<SendConversionResult> results = new();
+      int count = 0;
+      foreach (var (entity, applicationId) in atomicObjects)
+      {
+        cancellationToken.ThrowIfCancellationRequested();
+        (Collection objectCollection, LayerTableRecord? autocadLayer) = CreateObjectCollection(entity, tr);
+
+        if (autocadLayer is not null)
+        {
+          usedAcadLayers.Add(autocadLayer);
+          root.elements.Add(objectCollection);
+        }
+
+        var result = await ConvertAutocadEntity(
+          entity,
+          applicationId,
+          objectCollection,
+          instanceProxies,
+          projectId,
+          sendPipeline
+        );
+        results.Add(result);
+
+        onOperationProgressed.Report(
+          new($"Converting objects... ({count:N0} / {atomicObjects.Count:N0})", (double)++count / atomicObjects.Count)
+        );
+      }
+
+      if (results.All(x => x.Status == Status.ERROR))
+      {
+        throw new SpeckleException("Failed to convert all objects.");
+      }
+
+      // 4 - Unpack the render material proxies
+      root[ProxyKeys.RENDER_MATERIAL] = _materialUnpacker.UnpackMaterials(atomicObjects, usedAcadLayers);
+
+      // 5 - Unpack the color proxies
+      root[ProxyKeys.COLOR] = _colorUnpacker.UnpackColors(atomicObjects, usedAcadLayers);
+
+      // add any additional properties (most likely from verticals)
+      AddAdditionalProxiesToRoot(root);
+
+      // Process root collection and wait for all uploads
+      await sendPipeline.Process(root);
+      await sendPipeline.WaitForUpload();
+
+      return new RootObjectBuilderResult(root, results);
+    }
+  }
+
+  public virtual (Collection, LayerTableRecord?) CreateObjectCollection(Entity entity, Transaction tr)
+  {
+    return (new(), null);
+  }
+
+  public virtual void AddAdditionalProxiesToRoot(Collection rootCollection)
+  {
+    return;
+  }
+
+  private async Task<SendConversionResult> ConvertAutocadEntity(
+    Entity entity,
+    string applicationId,
+    Collection collectionHost,
+    IReadOnlyDictionary<string, InstanceProxy> instanceProxies,
+    string projectId,
+    SendPipeline sendPipeline
+  )
+  {
+    string sourceType = entity.GetType().ToString();
+    try
+    {
+      Base converted;
+      if (entity is BlockReference && instanceProxies.TryGetValue(applicationId, out InstanceProxy? instanceProxy))
+      {
+        converted = instanceProxy;
+      }
+      else if (_sendConversionCache.TryGetValue(projectId, applicationId, out ObjectReference? value))
+      {
+        converted = value;
+      }
+      else
+      {
+        converted = _converter.Convert(entity);
+        converted.applicationId = applicationId;
+      }
+
+      // NOTE: this is the main part that differentiate from the main root object builder
+      var reference = await sendPipeline.Process(converted).ConfigureAwait(false);
+      collectionHost.elements.Add(reference);
+      return new(Status.SUCCESS, applicationId, sourceType, reference);
+    }
+    catch (Exception ex) when (!ex.IsFatal())
+    {
+      _logger.LogSendConversionError(ex, sourceType);
+      return new(Status.ERROR, applicationId, sourceType, null, ex);
+    }
+  }
+}
@@ -0,0 +1,46 @@
+using Autodesk.AutoCAD.DatabaseServices;
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Autocad.HostApp;
+using Speckle.Connectors.Common.Caching;
+using Speckle.Converters.Common;
+using Speckle.Sdk.Logging;
+using Speckle.Sdk.Models.Collections;
+
+namespace Speckle.Connectors.Autocad.Operations.Send;
+
+public sealed class AutocadContinuousTraversalBuilder : AutocadContinuousTraversalBaseBuilder
+{
+  private readonly AutocadLayerUnpacker _layerUnpacker;
+
+  public AutocadContinuousTraversalBuilder(
+    AutocadLayerUnpacker layerUnpacker,
+    IRootToSpeckleConverter converter,
+    ISendConversionCache sendConversionCache,
+    AutocadInstanceUnpacker instanceObjectManager,
+    AutocadMaterialUnpacker materialUnpacker,
+    AutocadColorUnpacker colorUnpacker,
+    AutocadGroupUnpacker groupUnpacker,
+    ILogger<AutocadRootObjectBuilder> logger,
+    ISdkActivityFactory activityFactory
+  )
+    : base(
+      converter,
+      sendConversionCache,
+      instanceObjectManager,
+      materialUnpacker,
+      colorUnpacker,
+      groupUnpacker,
+      logger,
+      activityFactory
+    )
+  {
+    _layerUnpacker = layerUnpacker;
+  }
+
+  public override (Collection, LayerTableRecord?) CreateObjectCollection(Entity entity, Transaction tr)
+  {
+    Layer layer = _layerUnpacker.GetOrCreateSpeckleLayer(entity, tr, out LayerTableRecord? autocadLayer);
+
+    return (layer, autocadLayer);
+  }
+}
@@ -1,5 +1,6 @@
 using System.Diagnostics.CodeAnalysis;
 using Autodesk.AutoCAD.DatabaseServices;
+using Autodesk.AutoCAD.Geometry;
 using Microsoft.Extensions.Logging;
 using Speckle.Connectors.Autocad.HostApp;
 using Speckle.Connectors.Common.Builders;
@@ -7,18 +8,22 @@ using Speckle.Connectors.Common.Caching;
 using Speckle.Connectors.Common.Conversion;
 using Speckle.Connectors.Common.Extensions;
 using Speckle.Connectors.Common.Operations;
+using Speckle.Converters.Autocad;
+using Speckle.Converters.Autocad.Helpers;
 using Speckle.Converters.Common;
 using Speckle.Sdk;
 using Speckle.Sdk.Logging;
 using Speckle.Sdk.Models;
 using Speckle.Sdk.Models.Collections;
 using Speckle.Sdk.Models.Instances;
+using Speckle.Sdk.Pipelines.Progress;

 namespace Speckle.Connectors.Autocad.Operations.Send;

 public abstract class AutocadRootObjectBaseBuilder : IRootObjectBuilder<AutocadRootObject>
 {
  private readonly IRootToSpeckleConverter _converter;
+  private readonly IConverterSettingsStore<AutocadConversionSettings> _converterSettings;
  private readonly string[] _documentPathSeparator = ["\\"];
  private readonly ISendConversionCache _sendConversionCache;
  private readonly AutocadInstanceUnpacker _instanceUnpacker;
@@ -30,6 +35,7 @@ public abstract class AutocadRootObjectBaseBuilder : IRootObjectBuilder<AutocadR

  protected AutocadRootObjectBaseBuilder(
    IRootToSpeckleConverter converter,
+    IConverterSettingsStore<AutocadConversionSettings> converterSettings,
    ISendConversionCache sendConversionCache,
    AutocadInstanceUnpacker instanceObjectManager,
    AutocadMaterialUnpacker materialUnpacker,
@@ -40,6 +46,7 @@ public abstract class AutocadRootObjectBaseBuilder : IRootObjectBuilder<AutocadR
  )
  {
    _converter = converter;
+    _converterSettings = converterSettings;
    _sendConversionCache = sendConversionCache;
    _instanceUnpacker = instanceObjectManager;
    _materialUnpacker = materialUnpacker;
@@ -66,32 +73,49 @@ public abstract class AutocadRootObjectBaseBuilder : IRootObjectBuilder<AutocadR
  )
  {
    // 0 - Init the root
-    Collection root =
-      new()
-      {
-        name = Application
-          .DocumentManager.CurrentDocument.Name // POC: https://spockle.atlassian.net/browse/CNX-9319
-          .Split(_documentPathSeparator, StringSplitOptions.None)
-          .Reverse()
-          .First()
-      };
+    Collection root = new()
+    {
+      name = Application
+        .DocumentManager.CurrentDocument.Name // POC: https://spockle.atlassian.net/browse/CNX-9319
+        .Split(_documentPathSeparator, StringSplitOptions.None)
+        .Reverse()
+        .First(),
+    };

    // TODO: better handling for document and transactions!!
    Document doc = Application.DocumentManager.CurrentDocument;
    using Transaction tr = doc.Database.TransactionManager.StartTransaction();

    // 1 - Unpack the instances
-    var (atomicObjects, instanceProxies, instanceDefinitionProxies) = _instanceUnpacker.UnpackSelection(objects);
+    var (atomicObjects, atomicDefinitionObjectIds, instanceProxies, instanceDefinitionProxies) =
+      _instanceUnpacker.UnpackSelection(objects);
    root[ProxyKeys.INSTANCE_DEFINITION] = instanceDefinitionProxies;

    // 2 - Unpack the groups
    root[ProxyKeys.GROUP] = _groupUnpacker.UnpackGroups(atomicObjects);
+
+    // 3 - Add the Reference Point
+    Matrix3d? referenceTransform = null;
+    if (
+      Application.DocumentManager.CurrentDocument.Editor.CurrentUserCoordinateSystem is Matrix3d matrix
+      && matrix != Matrix3d.Identity
+    )
+    {
+      referenceTransform = matrix.Inverse();
+
+      /* POC: Do not attach transform to root for now! we are not consuming this in autocad/civil on receive and in revit it will undo all baked transforms :(
+      var transformMatrix = ReferencePointHelper.CreateTransformDataForRootObject(matrix);
+      root[ReferencePointHelper.REFERENCE_POINT_TRANSFORM_KEY] = transformMatrix;
+      */
+    }
+
    using (var _ = _activityFactory.Start("Converting objects"))
    {
-      // 3 - Convert atomic objects
      List<LayerTableRecord> usedAcadLayers = new(); // Keeps track of autocad layers used, so we can pass them on later to the material and color unpacker.
      List<SendConversionResult> results = new();
      int count = 0;
+
+      // 4 - Convert atomic objects
      foreach (var (entity, applicationId) in atomicObjects)
      {
        cancellationToken.ThrowIfCancellationRequested();
@@ -104,9 +128,28 @@ public abstract class AutocadRootObjectBaseBuilder : IRootObjectBuilder<AutocadR
          root.elements.Add(objectCollection);
        }

-        var result = ConvertAutocadEntity(entity, applicationId, objectCollection, instanceProxies, projectId);
-        results.Add(result);
+        SendConversionResult? result = null;
+        // If this is a atomic definition object, we *do not* want to bake in the reference point transform to the object
+        if (atomicDefinitionObjectIds.Contains(applicationId))
+        {
+          using (_converterSettings.Push(currentSettings => currentSettings with { ReferencePointTransform = null }))
+          {
+            result = ConvertAutocadEntity(entity, applicationId, objectCollection, instanceProxies, projectId);
+          }
+        }
+        else // this is a selected atomic object (not part of definition)
+        {
+          result = ConvertAutocadEntity(
+            entity,
+            applicationId,
+            objectCollection,
+            instanceProxies,
+            projectId,
+            referenceTransform // set this for top level instance proxies to use if needed
+          );
+        }

+        results.Add(result);
        onOperationProgressed.Report(new("Converting", (double)++count / atomicObjects.Count));
      }

@@ -115,10 +158,10 @@ public abstract class AutocadRootObjectBaseBuilder : IRootObjectBuilder<AutocadR
        throw new SpeckleException("Failed to convert all objects."); // fail fast instead creating empty commit! It will appear as model card error with red color.
      }

-      // 4 - Unpack the render material proxies
+      // 5 - Unpack the render material proxies
      root[ProxyKeys.RENDER_MATERIAL] = _materialUnpacker.UnpackMaterials(atomicObjects, usedAcadLayers);

-      // 5 - Unpack the color proxies
+      // 6 - Unpack the color proxies
      root[ProxyKeys.COLOR] = _colorUnpacker.UnpackColors(atomicObjects, usedAcadLayers);

      // add any additional properties (most likely from verticals)
@@ -143,15 +186,24 @@ public abstract class AutocadRootObjectBaseBuilder : IRootObjectBuilder<AutocadR
    string applicationId,
    Collection collectionHost,
    IReadOnlyDictionary<string, InstanceProxy> instanceProxies,
-    string projectId
+    string projectId,
+    Matrix3d? transform = null
  )
  {
    string sourceType = entity.GetType().ToString();
    try
    {
      Base converted;
-      if (entity is BlockReference && instanceProxies.TryGetValue(applicationId, out InstanceProxy? instanceProxy))
+      if (entity is BlockReference br && instanceProxies.TryGetValue(applicationId, out InstanceProxy? instanceProxy))
      {
+        // modify transform by reference point this if it is top level
+        if (instanceProxy.maxDepth == 0 && transform is Matrix3d validTransform)
+        {
+          instanceProxy.transform = TransformHelper.ConvertToInstanceMatrix4x4(
+            br.BlockTransform.PreMultiplyBy(validTransform)
+          );
+        }
+
        converted = instanceProxy;
      }
      else if (_sendConversionCache.TryGetValue(projectId, applicationId, out ObjectReference? value))
@@ -2,6 +2,7 @@ using Autodesk.AutoCAD.DatabaseServices;
 using Microsoft.Extensions.Logging;
 using Speckle.Connectors.Autocad.HostApp;
 using Speckle.Connectors.Common.Caching;
+using Speckle.Converters.Autocad;
 using Speckle.Converters.Common;
 using Speckle.Sdk.Logging;
 using Speckle.Sdk.Models.Collections;
@@ -15,6 +16,7 @@ public sealed class AutocadRootObjectBuilder : AutocadRootObjectBaseBuilder
  public AutocadRootObjectBuilder(
    AutocadLayerUnpacker layerUnpacker,
    IRootToSpeckleConverter converter,
+    IConverterSettingsStore<AutocadConversionSettings> converterSettings,
    ISendConversionCache sendConversionCache,
    AutocadInstanceUnpacker instanceObjectManager,
    AutocadMaterialUnpacker materialUnpacker,
@@ -25,6 +27,7 @@ public sealed class AutocadRootObjectBuilder : AutocadRootObjectBaseBuilder
  )
    : base(
      converter,
+      converterSettings,
      sendConversionCache,
      instanceObjectManager,
      materialUnpacker,
@@ -7,6 +7,8 @@ public static class AppUtils
  public static Speckle.Sdk.Application App =>
 #if CIVIL3D
    HostApplications.Civil3D;
+#elif PLANT3D
+    HostApplications.Plant3D;
 #elif AUTOCAD
    HostApplications.AutoCAD;
 #else
@@ -14,11 +16,11 @@ public static class AppUtils
 #endif

  public static HostAppVersion Version =>
-#if AUTOCAD2026 || CIVIL3D2026
+#if AUTOCAD2026 || CIVIL3D2026 || PLANT3D2026
    HostAppVersion.v2026;
-#elif AUTOCAD2025 || CIVIL3D2025
+#elif AUTOCAD2025 || CIVIL3D2025 || PLANT3D2025
    HostAppVersion.v2025;
-#elif AUTOCAD2024 || CIVIL3D2024
+#elif AUTOCAD2024 || CIVIL3D2024 || PLANT3D2024
    HostAppVersion.v2024;
 #elif AUTOCAD2023|| CIVIL3D2023
    HostAppVersion.v2023;
@@ -11,6 +11,9 @@ using Speckle.Converters.Autocad;
 #elif CIVIL3D
 using Speckle.Converters.Civil3dShared;
 using Speckle.Connectors.Civil3dShared.DependencyInjection;
+#elif PLANT3D
+using Speckle.Connectors.Plant3dShared.DependencyInjection;
+using Speckle.Converters.Plant3dShared;
 #endif
 namespace Speckle.Connectors.Autocad.Plugin;

@@ -34,18 +37,23 @@ public class AutocadCommand
    PaletteSet = new PaletteSet($"Speckle", s_id)
    {
      Size = new Size(400, 500),
-      DockEnabled = (DockSides)((int)DockSides.Left + (int)DockSides.Right)
+      DockEnabled = (DockSides)((int)DockSides.Left + (int)DockSides.Right),
    };

    // init DI
    var services = new ServiceCollection();
+
    _disposableLogger = services.Initialize(AppUtils.App, AppUtils.Version);
+
 #if AUTOCAD
    services.AddAutocad();
    services.AddAutocadConverters();
 #elif CIVIL3D
    services.AddCivil3d();
    services.AddCivil3dConverters();
+#elif PLANT3D
+    services.AddPlant3d();
+    services.AddPlant3dConverters();
 #endif
    Container = services.BuildServiceProvider();
    Container.UseDUI();
@@ -3,7 +3,7 @@ using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using Autodesk.Windows;
 using Speckle.Sdk;
-#if !AUTOCAD2025_OR_GREATER && !CIVIL3D2025_OR_GREATER
+#if !AUTOCAD2025_OR_GREATER && !CIVIL3D2025_OR_GREATER && !PLANT3D2025_OR_GREATER
 using System.IO;
 #endif

@@ -53,13 +53,12 @@ public class AutocadRibbon
    RibbonPanel panel = new() { Source = source };
    tab.Panels.Add(panel);

-    RibbonToolTip speckleToolTip =
-      new()
-      {
-        Title = "Speckle",
-        Content = $"Next Gen Speckle Connector for {AppUtils.App.Name}",
-        IsHelpEnabled = true // Without this "Press F1 for help" does not appear in the tooltip
-      };
+    RibbonToolTip speckleToolTip = new()
+    {
+      Title = "Speckle",
+      Content = $"Next Gen Speckle Connector for {AppUtils.App.Name}",
+      IsHelpEnabled = true, // Without this "Press F1 for help" does not appear in the tooltip
+    };

    _ = CreateSpeckleButton("Speckle", source, null, speckleToolTip, "logo");
  }
@@ -121,7 +120,7 @@ public class AutocadRibbon
      ShowText = true,
      ToolTip = tooltip,
      HelpSource = new System.Uri("https://speckle.guide/user/autocadcivil.html"),
-      Size = RibbonItemSize.Large
+      Size = RibbonItemSize.Large,
    };

    if (TryLoadPngImgSource(imageName + "16.png", out ImageSource? imageSource))
@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ApplicationPackage
+  SchemaVersion="1.0"
+  AppVersion="1.0"
+  Author="AEC SYSTEMS LTD"
+  Name="Speckle for AutoCAD"
+  Description="Speckle for AutoCAD"
+  Icon="./Contents/Resources/Logo.ico"
+  ProductCode="{958850b9-3782-4e6f-b9b3-1b570e0fcae1}"
+  UpgradeCode="{274de351-80aa-4972-9b45-6a93f8ce968f}"
+>
+  <!-- For now, we're not updating the AppVersion & ProductCodes with each version -->
+
+  <CompanyDetails Name="Speckle" Url="https://speckle.systems" Email="support@speckle.systems" />
+  <Components>
+    <!-- AutoCAD 2022 -->
+    <ComponentEntry
+      AppName="Speckle.Connectors.Autocad2022"
+      ModuleName="./Contents/Windows/Speckle.Connectors.Autocad2022/Speckle.Connectors.Autocad2022.dll"
+      LoadOnAutoCADStartup="True"
+    >
+      <RuntimeRequirements OS="Win64" Platform="AutoCAD" SeriesMin="R24.1" SeriesMax="R24.1" />
+    </ComponentEntry>
+
+    <!-- AutoCAD 2023 -->
+    <ComponentEntry
+      AppName="Speckle.Connectors.Autocad2023"
+      ModuleName="./Contents/Windows/Speckle.Connectors.Autocad2023/Speckle.Connectors.Autocad2023.dll"
+      LoadOnAutoCADStartup="True"
+    >
+      <RuntimeRequirements OS="Win64" Platform="AutoCAD" SeriesMin="R24.2" SeriesMax="R24.2" />
+    </ComponentEntry>
+
+    <!-- AutoCAD 2024 -->
+    <ComponentEntry
+      AppName="Speckle.Connectors.Autocad2024"
+      ModuleName="./Contents/Windows/Speckle.Connectors.Autocad2024/Speckle.Connectors.Autocad2024.dll"
+      LoadOnAutoCADStartup="True"
+    >
+      <RuntimeRequirements OS="Win64" Platform="AutoCAD" SeriesMin="R24.3" SeriesMax="R24.3" />
+    </ComponentEntry>
+
+    <!-- AutoCAD 2025 -->
+    <ComponentEntry
+      AppName="Speckle.Connectors.Autocad2025"
+      ModuleName="./Contents/Windows/Speckle.Connectors.Autocad2025/Speckle.Connectors.Autocad2025.dll"
+      LoadOnAutoCADStartup="True"
+    >
+      <RuntimeRequirements OS="Win64" Platform="AutoCAD" SeriesMin="R25.0" SeriesMax="R25.0" />
+    </ComponentEntry>
+
+    <!-- AutoCAD 2026 -->
+    <ComponentEntry
+      AppName="Speckle.Connectors.Autocad2026"
+      ModuleName="./Contents/Windows/Speckle.Connectors.Autocad2026/Speckle.Connectors.Autocad2026.dll"
+      LoadOnAutoCADStartup="True"
+    >
+      <RuntimeRequirements OS="Win64" Platform="AutoCAD" SeriesMin="R25.1" SeriesMax="R25.1" />
+    </ComponentEntry>
+  </Components>
+</ApplicationPackage>
@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ApplicationPackage
+  SchemaVersion="1.0"
+  AppVersion="1.0"
+  Author="AEC SYSTEMS LTD"
+  Name="Speckle for Civil 3D"
+  Description="Speckle for Civil 3D"
+  Icon="./Contents/Resources/Logo.ico"
+  ProductCode="{cecad7b2-daa9-4a9d-941d-737619ffd999}"
+  UpgradeCode="{ccf4134d-0e24-4e91-8bf4-781ec7313bef}"
+>
+  <!-- For now, we're not updating the AppVersion & ProductCodes with each version -->
+
+  <CompanyDetails Name="Speckle" Url="https://speckle.systems" Email="support@speckle.systems" />
+  <Components>
+    <!-- AutoCAD 2022 -->
+    <ComponentEntry
+      AppName="Speckle.Connectors.Civil3d2022"
+      ModuleName="./Contents/Windows/Speckle.Connectors.Civil3d2022/Speckle.Connectors.Civil3d2022.dll"
+      LoadOnAutoCADStartup="True"
+    >
+      <RuntimeRequirements OS="Win64" Platform="Civil3D" SeriesMin="R24.1" SeriesMax="R24.1" />
+    </ComponentEntry>
+
+    <!-- AutoCAD 2023 -->
+    <ComponentEntry
+      AppName="Speckle.Connectors.Civil3d2023"
+      ModuleName="./Contents/Windows/Speckle.Connectors.Civil3d2023/Speckle.Connectors.Civil3d2023.dll"
+      LoadOnAutoCADStartup="True"
+    >
+      <RuntimeRequirements OS="Win64" Platform="Civil3D" SeriesMin="R24.2" SeriesMax="R24.2" />
+    </ComponentEntry>
+
+    <!-- AutoCAD 2024 -->
+    <ComponentEntry
+      AppName="Speckle.Connectors.Civil3d2024"
+      ModuleName="./Contents/Windows/Speckle.Connectors.Civil3d2024/Speckle.Connectors.Civil3d2024.dll"
+      LoadOnAutoCADStartup="True"
+    >
+      <RuntimeRequirements OS="Win64" Platform="Civil3D" SeriesMin="R24.3" SeriesMax="R24.3" />
+    </ComponentEntry>
+
+    <!-- AutoCAD 2025 -->
+    <ComponentEntry
+      AppName="Speckle.Connectors.Civil3d2025"
+      ModuleName="./Contents/Windows/Speckle.Connectors.Civil3d2025/Speckle.Connectors.Civil3d2025.dll"
+      LoadOnAutoCADStartup="True"
+    >
+      <RuntimeRequirements OS="Win64" Platform="Civil3D" SeriesMin="R25.0" SeriesMax="R25.0" />
+    </ComponentEntry>
+
+    <!-- AutoCAD 2026 -->
+    <ComponentEntry
+      AppName="Speckle.Connectors.Civil3d2026"
+      ModuleName="./Contents/Windows/Speckle.Connectors.Civil3d2026/Speckle.Connectors.Civil3d2026.dll"
+      LoadOnAutoCADStartup="True"
+    >
+      <RuntimeRequirements OS="Win64" Platform="Civil3D" SeriesMin="R25.1" SeriesMax="R25.1" />
+    </ComponentEntry>
+  </Components>
+</ApplicationPackage>
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ApplicationPackage
+  SchemaVersion="1.0"
+  AppVersion="1.0"
+  Author="AEC SYSTEMS LTD"
+  Name="Speckle for Plant 3D"
+  Description="Speckle for Plant 3D"
+  Icon="./Contents/Resources/Logo.ico"
+  ProductCode="{b91352b6-01db-4084-93c8-684bb231947e}"
+  UpgradeCode="{91c7e43f-e962-40e9-85bd-d6bd733b6964}"
+>
+  <CompanyDetails Name="Speckle" Url="https://speckle.systems" Email="support@speckle.systems" />
+  <Components>
+    <!-- Plant 3D 2026 -->
+    <ComponentEntry
+      AppName="Speckle.Connectors.Plant3d2026"
+      ModuleName="./Contents/Windows/Speckle.Connectors.Plant3d2026/Speckle.Connectors.Plant3d2026.dll"
+      LoadOnAutoCADStartup="True"
+    >
+      <RuntimeRequirements OS="Win64" Platform="Plant3D" SeriesMin="R25.1" SeriesMax="R25.1" />
+    </ComponentEntry>
+  </Components>
+</ApplicationPackage>
@@ -38,8 +38,11 @@
    <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="$(MSBuildThisFileDirectory)Operations\Send\AutocadContinuousTraversalBaseBuilder.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\AutocadContinuousTraversalBuilder.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\AutocadRootObjectBaseBuilder.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\AutocadRootObjectBuilder.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Plugin\AutocadRibbon.cs" />
@@ -52,4 +55,15 @@
    <EmbeddedResource Include="$(MSBuildThisFileDirectory)Resources\s2logo16.png" />
    <EmbeddedResource Include="$(MSBuildThisFileDirectory)Resources\s2logo32.png" />
  </ItemGroup>
+  <ItemGroup>
+    <Content Include="$(MSBuildThisFileDirectory)Plugin\BundleCivil3D\PackageContents.xml">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+    <Content Include="$(MSBuildThisFileDirectory)Plugin\BundleAutoCAD\PackageContents.xml">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+    <Content Include="$(MSBuildThisFileDirectory)Plugin\BundlePlant3D\PackageContents.xml">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
 </Project>
@@ -8,16 +8,22 @@
    <Configurations>Debug;Release;Local</Configurations>
  </PropertyGroup>
  <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API"  VersionOverride="2022.0.2" ExcludeAssets="runtime"/>
-    <PackageReference Include="Speckle.Civil3D.API"  VersionOverride="2022.0.2" ExcludeAssets="runtime"/>
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2022.0.2" ExcludeAssets="runtime" />
+    <PackageReference Include="Speckle.Civil3D.API" VersionOverride="2022.0.2" ExcludeAssets="runtime" />
  </ItemGroup>
-  
+
  <ItemGroup>
    <ProjectReference Include="..\..\..\Converters\Civil3d\Speckle.Converters.Civil3d2022\Speckle.Converters.Civil3d2022.csproj" />
    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
    <ProjectReference Include="..\..\..\Sdk\Speckle.Converters.Common\Speckle.Converters.Common.csproj" />
  </ItemGroup>
-  
-  <Import Project="..\..\Autocad\Speckle.Connectors.AutocadShared\Speckle.Connectors.AutocadShared.projitems" Label="Shared" />
-  <Import Project="..\..\Autocad\Speckle.Connectors.Civil3dShared\Speckle.Connectors.Civil3dShared.projitems" Label="Shared" />
+
+  <Import
+    Project="..\..\Autocad\Speckle.Connectors.AutocadShared\Speckle.Connectors.AutocadShared.projitems"
+    Label="Shared"
+  />
+  <Import
+    Project="..\..\Autocad\Speckle.Connectors.Civil3dShared\Speckle.Connectors.Civil3dShared.projitems"
+    Label="Shared"
+  />
 </Project>
@@ -82,8 +82,8 @@
      },
      "Microsoft.Bcl.AsyncInterfaces": {
        "type": "Transitive",
-        "resolved": "5.0.0",
-        "contentHash": "W8DPQjkMScOMTtJbPwmPyj9c3zYSFGawDW3jwlBOOsnY+EzZFLgNQ/UMkK35JmkNOVPdCyPr2Tw7Vv9N+KA3ZQ==",
+        "resolved": "9.0.4",
+        "contentHash": "9VGI5kxIvrNG2mqLQZnUR6y/3fcnygD8eNpHR+CqfbnIXvea6nehnYknDKQTxZVPMpzpNca+7DxLBmpdB3q0Bw==",
        "dependencies": {
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        }
@@ -178,6 +178,29 @@
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      },
+      "Speckle.Sdk": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "6gmPoWTv7DwqvUae57wCLF93upE9RIjaCZFue9UMY4I6FB8vLbMGfcyiUwnUY551WlGOual15ISS3G15/kMmnw==",
+        "dependencies": {
+          "GraphQL.Client": "6.0.0",
+          "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": "3.15.3"
+        }
+      },
+      "Speckle.Sdk.Dependencies": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "VLgyGi1kQNWe0fzRO0U3qnZZUQGDeFacnpn25Yy3esE0qeo4tqa1BrvXPv2ivEZbbhBkkg6+Gd+CztDIyw3Y/w==",
+        "dependencies": {
+          "Microsoft.Bcl.AsyncInterfaces": "9.0.4"
+        }
+      },
      "SQLitePCLRaw.bundle_e_sqlite3": {
        "type": "Transitive",
        "resolved": "2.1.4",
@@ -268,9 +291,8 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.3, )",
-          "Speckle.Sdk": "[3.5.3, )",
-          "Speckle.Sdk.Dependencies": "[3.5.3, )"
+          "Speckle.Converters.Common": "[1.0.0, )",
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "speckle.connectors.dui": {
@@ -302,7 +324,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.3, )"
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "Microsoft.Extensions.DependencyInjection": {
@@ -346,35 +368,12 @@
      },
      "Speckle.Objects": {
        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "T3xwwoALVGmhIuEjlDrTdDXZ9haFILT32r8OACWrRUItU3xMkOWGyob51Ca1MHPmo8B5gvbk2Gnm8AgReGnxWg==",
+        "requested": "[3.15.3, )",
+        "resolved": "3.15.3",
+        "contentHash": "zmHnLKR46in0xH5ashD+ENlYUPDktUMZhXYYOb8aWHAG3Zxai2WvmDJtdf7pV9GTafkpR6fCo2EQTeCoY+XXxQ==",
        "dependencies": {
-          "Speckle.Sdk": "3.5.3"
+          "Speckle.Sdk": "3.15.3"
        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "o+HefwtPZBqyuUHEnKF+qb/ctCAlNc2BYIw3ULEsZ93zweHt5wOMvOeuPxIXR0Gvj3fg6yNlY2nUcdFEduIXYA==",
-        "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": "3.5.3"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "kC15SE4yZoVTasgywCm0SpY9yjBsQeUIDt4qoscYAgbn9pe0jj3uM0hZeJUCxn9Fdoj64OfQBpCKzR7VqhkwHQ=="
      }
    }
  }
@@ -9,16 +9,22 @@
  </PropertyGroup>

  <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2023.0.0" ExcludeAssets="runtime"/>
-    <PackageReference Include="Speckle.Civil3D.API" VersionOverride="2023.0.0" ExcludeAssets="runtime"/>
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2023.0.0" ExcludeAssets="runtime" />
+    <PackageReference Include="Speckle.Civil3D.API" VersionOverride="2023.0.0" ExcludeAssets="runtime" />
  </ItemGroup>
-  
+
  <ItemGroup>
    <ProjectReference Include="..\..\..\Converters\Civil3d\Speckle.Converters.Civil3d2023\Speckle.Converters.Civil3d2023.csproj" />
    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
    <ProjectReference Include="..\..\..\Sdk\Speckle.Converters.Common\Speckle.Converters.Common.csproj" />
  </ItemGroup>
-  
-  <Import Project="..\..\Autocad\Speckle.Connectors.AutocadShared\Speckle.Connectors.AutocadShared.projitems" Label="Shared" />
-  <Import Project="..\..\Autocad\Speckle.Connectors.Civil3dShared\Speckle.Connectors.Civil3dShared.projitems" Label="Shared" />
+
+  <Import
+    Project="..\..\Autocad\Speckle.Connectors.AutocadShared\Speckle.Connectors.AutocadShared.projitems"
+    Label="Shared"
+  />
+  <Import
+    Project="..\..\Autocad\Speckle.Connectors.Civil3dShared\Speckle.Connectors.Civil3dShared.projitems"
+    Label="Shared"
+  />
 </Project>
@@ -82,8 +82,8 @@
      },
      "Microsoft.Bcl.AsyncInterfaces": {
        "type": "Transitive",
-        "resolved": "5.0.0",
-        "contentHash": "W8DPQjkMScOMTtJbPwmPyj9c3zYSFGawDW3jwlBOOsnY+EzZFLgNQ/UMkK35JmkNOVPdCyPr2Tw7Vv9N+KA3ZQ==",
+        "resolved": "9.0.4",
+        "contentHash": "9VGI5kxIvrNG2mqLQZnUR6y/3fcnygD8eNpHR+CqfbnIXvea6nehnYknDKQTxZVPMpzpNca+7DxLBmpdB3q0Bw==",
        "dependencies": {
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        }
@@ -178,6 +178,29 @@
        "resolved": "13.0.2",
        "contentHash": "g1BejUZwax5PRfL6xHgLEK23sqHWOgOj9hE7RvfRRlN00AGt8GnPYt8HedSK7UB3HiRW8zCA9Pn0iiYxCK24BA=="
      },
+      "Speckle.Sdk": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "6gmPoWTv7DwqvUae57wCLF93upE9RIjaCZFue9UMY4I6FB8vLbMGfcyiUwnUY551WlGOual15ISS3G15/kMmnw==",
+        "dependencies": {
+          "GraphQL.Client": "6.0.0",
+          "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": "3.15.3"
+        }
+      },
+      "Speckle.Sdk.Dependencies": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "VLgyGi1kQNWe0fzRO0U3qnZZUQGDeFacnpn25Yy3esE0qeo4tqa1BrvXPv2ivEZbbhBkkg6+Gd+CztDIyw3Y/w==",
+        "dependencies": {
+          "Microsoft.Bcl.AsyncInterfaces": "9.0.4"
+        }
+      },
      "SQLitePCLRaw.bundle_e_sqlite3": {
        "type": "Transitive",
        "resolved": "2.1.4",
@@ -268,9 +291,8 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.3, )",
-          "Speckle.Sdk": "[3.5.3, )",
-          "Speckle.Sdk.Dependencies": "[3.5.3, )"
+          "Speckle.Converters.Common": "[1.0.0, )",
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "speckle.connectors.dui": {
@@ -302,7 +324,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.3, )"
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "Microsoft.Extensions.DependencyInjection": {
@@ -346,35 +368,12 @@
      },
      "Speckle.Objects": {
        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "T3xwwoALVGmhIuEjlDrTdDXZ9haFILT32r8OACWrRUItU3xMkOWGyob51Ca1MHPmo8B5gvbk2Gnm8AgReGnxWg==",
+        "requested": "[3.15.3, )",
+        "resolved": "3.15.3",
+        "contentHash": "zmHnLKR46in0xH5ashD+ENlYUPDktUMZhXYYOb8aWHAG3Zxai2WvmDJtdf7pV9GTafkpR6fCo2EQTeCoY+XXxQ==",
        "dependencies": {
-          "Speckle.Sdk": "3.5.3"
+          "Speckle.Sdk": "3.15.3"
        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "o+HefwtPZBqyuUHEnKF+qb/ctCAlNc2BYIw3ULEsZ93zweHt5wOMvOeuPxIXR0Gvj3fg6yNlY2nUcdFEduIXYA==",
-        "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": "3.5.3"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "kC15SE4yZoVTasgywCm0SpY9yjBsQeUIDt4qoscYAgbn9pe0jj3uM0hZeJUCxn9Fdoj64OfQBpCKzR7VqhkwHQ=="
      }
    }
  }
@@ -9,16 +9,22 @@
  </PropertyGroup>

  <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2024.0.0" ExcludeAssets="runtime"/>
-    <PackageReference Include="Speckle.Civil3D.API" VersionOverride="2024.0.0" ExcludeAssets="runtime"/>
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2024.0.0" ExcludeAssets="runtime" />
+    <PackageReference Include="Speckle.Civil3D.API" VersionOverride="2024.0.0" ExcludeAssets="runtime" />
  </ItemGroup>
-  
+
  <ItemGroup>
    <ProjectReference Include="..\..\..\Converters\Civil3d\Speckle.Converters.Civil3d2024\Speckle.Converters.Civil3d2024.csproj" />
    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
    <ProjectReference Include="..\..\..\Sdk\Speckle.Converters.Common\Speckle.Converters.Common.csproj" />
  </ItemGroup>
-  
-  <Import Project="..\..\Autocad\Speckle.Connectors.AutocadShared\Speckle.Connectors.AutocadShared.projitems" Label="Shared" />
-  <Import Project="..\..\Autocad\Speckle.Connectors.Civil3dShared\Speckle.Connectors.Civil3dShared.projitems" Label="Shared" />
+
+  <Import
+    Project="..\..\Autocad\Speckle.Connectors.AutocadShared\Speckle.Connectors.AutocadShared.projitems"
+    Label="Shared"
+  />
+  <Import
+    Project="..\..\Autocad\Speckle.Connectors.Civil3dShared\Speckle.Connectors.Civil3dShared.projitems"
+    Label="Shared"
+  />
 </Project>
@@ -82,8 +82,8 @@
      },
      "Microsoft.Bcl.AsyncInterfaces": {
        "type": "Transitive",
-        "resolved": "5.0.0",
-        "contentHash": "W8DPQjkMScOMTtJbPwmPyj9c3zYSFGawDW3jwlBOOsnY+EzZFLgNQ/UMkK35JmkNOVPdCyPr2Tw7Vv9N+KA3ZQ==",
+        "resolved": "9.0.4",
+        "contentHash": "9VGI5kxIvrNG2mqLQZnUR6y/3fcnygD8eNpHR+CqfbnIXvea6nehnYknDKQTxZVPMpzpNca+7DxLBmpdB3q0Bw==",
        "dependencies": {
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        }
@@ -178,6 +178,29 @@
        "resolved": "13.0.2",
        "contentHash": "g1BejUZwax5PRfL6xHgLEK23sqHWOgOj9hE7RvfRRlN00AGt8GnPYt8HedSK7UB3HiRW8zCA9Pn0iiYxCK24BA=="
      },
+      "Speckle.Sdk": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "6gmPoWTv7DwqvUae57wCLF93upE9RIjaCZFue9UMY4I6FB8vLbMGfcyiUwnUY551WlGOual15ISS3G15/kMmnw==",
+        "dependencies": {
+          "GraphQL.Client": "6.0.0",
+          "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": "3.15.3"
+        }
+      },
+      "Speckle.Sdk.Dependencies": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "VLgyGi1kQNWe0fzRO0U3qnZZUQGDeFacnpn25Yy3esE0qeo4tqa1BrvXPv2ivEZbbhBkkg6+Gd+CztDIyw3Y/w==",
+        "dependencies": {
+          "Microsoft.Bcl.AsyncInterfaces": "9.0.4"
+        }
+      },
      "SQLitePCLRaw.bundle_e_sqlite3": {
        "type": "Transitive",
        "resolved": "2.1.4",
@@ -268,9 +291,8 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.3, )",
-          "Speckle.Sdk": "[3.5.3, )",
-          "Speckle.Sdk.Dependencies": "[3.5.3, )"
+          "Speckle.Converters.Common": "[1.0.0, )",
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "speckle.connectors.dui": {
@@ -302,7 +324,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.3, )"
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "Microsoft.Extensions.DependencyInjection": {
@@ -346,35 +368,12 @@
      },
      "Speckle.Objects": {
        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "T3xwwoALVGmhIuEjlDrTdDXZ9haFILT32r8OACWrRUItU3xMkOWGyob51Ca1MHPmo8B5gvbk2Gnm8AgReGnxWg==",
+        "requested": "[3.15.3, )",
+        "resolved": "3.15.3",
+        "contentHash": "zmHnLKR46in0xH5ashD+ENlYUPDktUMZhXYYOb8aWHAG3Zxai2WvmDJtdf7pV9GTafkpR6fCo2EQTeCoY+XXxQ==",
        "dependencies": {
-          "Speckle.Sdk": "3.5.3"
+          "Speckle.Sdk": "3.15.3"
        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "o+HefwtPZBqyuUHEnKF+qb/ctCAlNc2BYIw3ULEsZ93zweHt5wOMvOeuPxIXR0Gvj3fg6yNlY2nUcdFEduIXYA==",
-        "dependencies": {
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-          "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": "3.5.3"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "kC15SE4yZoVTasgywCm0SpY9yjBsQeUIDt4qoscYAgbn9pe0jj3uM0hZeJUCxn9Fdoj64OfQBpCKzR7VqhkwHQ=="
      }
    }
  }
@@ -8,23 +8,26 @@

  <PropertyGroup>
    <!-- .NET Core uses this to move native dependencies into a root for runtime selection and usage for non-windows development https://learn.microsoft.com/en-us/dotnet/core/project-sdk/msbuild-props#enablewindowstargeting -->
-    <RuntimeIdentifier>win-x64</RuntimeIdentifier> <!--This is needed for managed dependencies-->
-    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies> <!--This is needed for the rest-->
-    <AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath> <!--This is needed just to keep folder paths the same as the netframework versions of autocad/civil-->
+    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
+    <!--This is needed for managed dependencies-->
+    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
+    <!--This is needed for the rest-->
+    <AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath>
+    <!--This is needed just to keep folder paths the same as the netframework versions of autocad/civil-->
  </PropertyGroup>
-  
+
+  <ItemGroup>
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2025.0.0" ExcludeAssets="runtime" />
+    <PackageReference Include="Speckle.Civil3d.API" VersionOverride="2025.0.0" ExcludeAssets="runtime" />
+  </ItemGroup>
+
  <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2025.0.0" ExcludeAssets="runtime"/>
-    <PackageReference Include="Speckle.Civil3d.API" VersionOverride="2025.0.0" ExcludeAssets="runtime"/>
-  </ItemGroup>  
-  
-  <ItemGroup>   
    <ProjectReference Include="..\..\..\Converters\Civil3d\Speckle.Converters.Civil3d2025\Speckle.Converters.Civil3d2025.csproj" />
    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
    <ProjectReference Include="..\..\..\Sdk\Speckle.Converters.Common\Speckle.Converters.Common.csproj" />
  </ItemGroup>
-  
+
  <Import Project="..\Speckle.Connectors.Civil3dShared\Speckle.Connectors.Civil3dShared.projitems" Label="Shared" />
-  
+
  <Import Project="..\Speckle.Connectors.AutocadShared\Speckle.Connectors.AutocadShared.projitems" Label="Shared" />
 </Project>
@@ -164,6 +164,25 @@
        "resolved": "13.0.2",
        "contentHash": "g1BejUZwax5PRfL6xHgLEK23sqHWOgOj9hE7RvfRRlN00AGt8GnPYt8HedSK7UB3HiRW8zCA9Pn0iiYxCK24BA=="
      },
+      "Speckle.Sdk": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "6gmPoWTv7DwqvUae57wCLF93upE9RIjaCZFue9UMY4I6FB8vLbMGfcyiUwnUY551WlGOual15ISS3G15/kMmnw==",
+        "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": "3.15.3"
+        }
+      },
+      "Speckle.Sdk.Dependencies": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "VLgyGi1kQNWe0fzRO0U3qnZZUQGDeFacnpn25Yy3esE0qeo4tqa1BrvXPv2ivEZbbhBkkg6+Gd+CztDIyw3Y/w=="
+      },
      "SQLitePCLRaw.bundle_e_sqlite3": {
        "type": "Transitive",
        "resolved": "2.1.4",
@@ -219,9 +238,8 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.3, )",
-          "Speckle.Sdk": "[3.5.3, )",
-          "Speckle.Sdk.Dependencies": "[3.5.3, )"
+          "Speckle.Converters.Common": "[1.0.0, )",
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "speckle.connectors.dui": {
@@ -254,7 +272,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.3, )"
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "Microsoft.Extensions.DependencyInjection": {
@@ -298,33 +316,12 @@
      },
      "Speckle.Objects": {
        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "T3xwwoALVGmhIuEjlDrTdDXZ9haFILT32r8OACWrRUItU3xMkOWGyob51Ca1MHPmo8B5gvbk2Gnm8AgReGnxWg==",
+        "requested": "[3.15.3, )",
+        "resolved": "3.15.3",
+        "contentHash": "zmHnLKR46in0xH5ashD+ENlYUPDktUMZhXYYOb8aWHAG3Zxai2WvmDJtdf7pV9GTafkpR6fCo2EQTeCoY+XXxQ==",
        "dependencies": {
-          "Speckle.Sdk": "3.5.3"
+          "Speckle.Sdk": "3.15.3"
        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "o+HefwtPZBqyuUHEnKF+qb/ctCAlNc2BYIw3ULEsZ93zweHt5wOMvOeuPxIXR0Gvj3fg6yNlY2nUcdFEduIXYA==",
-        "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": "3.5.3"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "kC15SE4yZoVTasgywCm0SpY9yjBsQeUIDt4qoscYAgbn9pe0jj3uM0hZeJUCxn9Fdoj64OfQBpCKzR7VqhkwHQ=="
      }
    },
    "net8.0-windows7.0/win-x64": {
@@ -8,23 +8,26 @@

  <PropertyGroup>
    <!-- .NET Core uses this to move native dependencies into a root for runtime selection and usage for non-windows development https://learn.microsoft.com/en-us/dotnet/core/project-sdk/msbuild-props#enablewindowstargeting -->
-    <RuntimeIdentifier>win-x64</RuntimeIdentifier> <!--This is needed for managed dependencies-->
-    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies> <!--This is needed for the rest-->
-    <AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath> <!--This is needed just to keep folder paths the same as the netframework versions of autocad/civil-->
+    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
+    <!--This is needed for managed dependencies-->
+    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
+    <!--This is needed for the rest-->
+    <AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath>
+    <!--This is needed just to keep folder paths the same as the netframework versions of autocad/civil-->
  </PropertyGroup>
-  
+
  <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2026.0.0" ExcludeAssets="runtime"/>
-    <PackageReference Include="Speckle.Civil3d.API" VersionOverride="2026.0.0" ExcludeAssets="runtime"/>
-  </ItemGroup>  
-  
-  <ItemGroup>   
-    <ProjectReference Include="..\..\..\Converters\Civil3d\Speckle.Converters.Civil3d2026\Speckle.Converters.Civil3d2026.csproj" />   
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2026.0.0" ExcludeAssets="runtime" />
+    <PackageReference Include="Speckle.Civil3d.API" VersionOverride="2026.0.0" ExcludeAssets="runtime" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\Converters\Civil3d\Speckle.Converters.Civil3d2026\Speckle.Converters.Civil3d2026.csproj" />
    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
    <ProjectReference Include="..\..\..\Sdk\Speckle.Converters.Common\Speckle.Converters.Common.csproj" />
  </ItemGroup>
-  
+
  <Import Project="..\Speckle.Connectors.Civil3dShared\Speckle.Connectors.Civil3dShared.projitems" Label="Shared" />
-  
+
  <Import Project="..\Speckle.Connectors.AutocadShared\Speckle.Connectors.AutocadShared.projitems" Label="Shared" />
 </Project>
@@ -164,6 +164,25 @@
        "resolved": "13.0.2",
        "contentHash": "g1BejUZwax5PRfL6xHgLEK23sqHWOgOj9hE7RvfRRlN00AGt8GnPYt8HedSK7UB3HiRW8zCA9Pn0iiYxCK24BA=="
      },
+      "Speckle.Sdk": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "6gmPoWTv7DwqvUae57wCLF93upE9RIjaCZFue9UMY4I6FB8vLbMGfcyiUwnUY551WlGOual15ISS3G15/kMmnw==",
+        "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": "3.15.3"
+        }
+      },
+      "Speckle.Sdk.Dependencies": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "VLgyGi1kQNWe0fzRO0U3qnZZUQGDeFacnpn25Yy3esE0qeo4tqa1BrvXPv2ivEZbbhBkkg6+Gd+CztDIyw3Y/w=="
+      },
      "SQLitePCLRaw.bundle_e_sqlite3": {
        "type": "Transitive",
        "resolved": "2.1.4",
@@ -219,9 +238,8 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.3, )",
-          "Speckle.Sdk": "[3.5.3, )",
-          "Speckle.Sdk.Dependencies": "[3.5.3, )"
+          "Speckle.Converters.Common": "[1.0.0, )",
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "speckle.connectors.dui": {
@@ -254,7 +272,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.3, )"
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "Microsoft.Extensions.DependencyInjection": {
@@ -298,33 +316,12 @@
      },
      "Speckle.Objects": {
        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "T3xwwoALVGmhIuEjlDrTdDXZ9haFILT32r8OACWrRUItU3xMkOWGyob51Ca1MHPmo8B5gvbk2Gnm8AgReGnxWg==",
+        "requested": "[3.15.3, )",
+        "resolved": "3.15.3",
+        "contentHash": "zmHnLKR46in0xH5ashD+ENlYUPDktUMZhXYYOb8aWHAG3Zxai2WvmDJtdf7pV9GTafkpR6fCo2EQTeCoY+XXxQ==",
        "dependencies": {
-          "Speckle.Sdk": "3.5.3"
+          "Speckle.Sdk": "3.15.3"
        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "o+HefwtPZBqyuUHEnKF+qb/ctCAlNc2BYIw3ULEsZ93zweHt5wOMvOeuPxIXR0Gvj3fg6yNlY2nUcdFEduIXYA==",
-        "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": "3.5.3"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "kC15SE4yZoVTasgywCm0SpY9yjBsQeUIDt4qoscYAgbn9pe0jj3uM0hZeJUCxn9Fdoj64OfQBpCKzR7VqhkwHQ=="
      }
    },
    "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;
@@ -20,14 +22,20 @@ public static class Civil3dConnectorModule
    // add send
    serviceCollection.LoadSend();
    serviceCollection.AddScoped<IRootObjectBuilder<AutocadRootObject>, Civil3dRootObjectBuilder>();
+    serviceCollection.AddScoped<
+      IRootContinuousTraversalBuilder<AutocadRootObject>,
+      Civil3dContinuousTraversalBuilder
+    >();
    serviceCollection.AddSingleton<IBinding, Civil3dSendBinding>();

    // 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);
+  }
+}
@@ -0,0 +1,57 @@
+using Autodesk.AutoCAD.DatabaseServices;
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Autocad.HostApp;
+using Speckle.Connectors.Autocad.Operations.Send;
+using Speckle.Connectors.Common.Caching;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Converters.Civil3dShared.ToSpeckle;
+using Speckle.Converters.Common;
+using Speckle.Sdk.Logging;
+using Speckle.Sdk.Models.Collections;
+
+namespace Speckle.Connectors.Civil3dShared.Operations.Send;
+
+public sealed class Civil3dContinuousTraversalBuilder : AutocadContinuousTraversalBaseBuilder
+{
+  private readonly AutocadLayerUnpacker _layerUnpacker;
+  private readonly PropertySetDefinitionHandler _propertySetDefinitionHandler;
+
+  public Civil3dContinuousTraversalBuilder(
+    AutocadLayerUnpacker layerUnpacker,
+    PropertySetDefinitionHandler propertySetDefinitionHandler,
+    IRootToSpeckleConverter converter,
+    ISendConversionCache sendConversionCache,
+    AutocadInstanceUnpacker instanceObjectManager,
+    AutocadMaterialUnpacker materialUnpacker,
+    AutocadColorUnpacker colorUnpacker,
+    AutocadGroupUnpacker groupUnpacker,
+    ILogger<AutocadRootObjectBuilder> logger,
+    ISdkActivityFactory activityFactory
+  )
+    : base(
+      converter,
+      sendConversionCache,
+      instanceObjectManager,
+      materialUnpacker,
+      colorUnpacker,
+      groupUnpacker,
+      logger,
+      activityFactory
+    )
+  {
+    _layerUnpacker = layerUnpacker;
+    _propertySetDefinitionHandler = propertySetDefinitionHandler;
+  }
+
+  public override (Collection, LayerTableRecord?) CreateObjectCollection(Entity entity, Transaction tr)
+  {
+    Layer layer = _layerUnpacker.GetOrCreateSpeckleLayer(entity, tr, out LayerTableRecord? autocadLayer);
+
+    return (layer, autocadLayer);
+  }
+
+  public override void AddAdditionalProxiesToRoot(Collection rootObject)
+  {
+    rootObject[ProxyKeys.PROPERTYSET_DEFINITIONS] = _propertySetDefinitionHandler.Definitions;
+  }
+}
@@ -4,6 +4,7 @@ using Speckle.Connectors.Autocad.HostApp;
 using Speckle.Connectors.Autocad.Operations.Send;
 using Speckle.Connectors.Common.Caching;
 using Speckle.Connectors.Common.Operations;
+using Speckle.Converters.Autocad;
 using Speckle.Converters.Civil3dShared.ToSpeckle;
 using Speckle.Converters.Common;
 using Speckle.Sdk.Logging;
@@ -20,6 +21,7 @@ public sealed class Civil3dRootObjectBuilder : AutocadRootObjectBaseBuilder
    AutocadLayerUnpacker layerUnpacker,
    PropertySetDefinitionHandler propertySetDefinitionHandler,
    IRootToSpeckleConverter converter,
+    IConverterSettingsStore<AutocadConversionSettings> converterSettings,
    ISendConversionCache sendConversionCache,
    AutocadInstanceUnpacker instanceObjectManager,
    AutocadMaterialUnpacker materialUnpacker,
@@ -30,6 +32,7 @@ public sealed class Civil3dRootObjectBuilder : AutocadRootObjectBaseBuilder
  )
    : base(
      converter,
+      converterSettings,
      sendConversionCache,
      instanceObjectManager,
      materialUnpacker,
@@ -11,11 +11,16 @@
  <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\Civil3dContinuousTraversalBuilder.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>
@@ -0,0 +1,33 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0-windows</TargetFramework>
+    <Plant3DVersion>2026</Plant3DVersion>
+    <DefineConstants>$(DefineConstants);PLANT3D2026;PLANT3D;PLANT3D2024_OR_GREATER;PLANT3D2025_OR_GREATER;PLANT3D2026_OR_GREATER</DefineConstants>
+    <Configurations>Debug;Release;Local</Configurations>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <!-- .NET Core uses this to move native dependencies into a root for runtime selection and usage for non-windows development https://learn.microsoft.com/en-us/dotnet/core/project-sdk/msbuild-props#enablewindowstargeting -->
+    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
+    <!--This is needed for managed dependencies-->
+    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
+    <!--This is needed for the rest-->
+    <AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath>
+    <!--This is needed just to keep folder paths the same as the netframework versions-->
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2026.0.0" ExcludeAssets="runtime" />
+    <PackageReference Include="Speckle.Plant3D.API" VersionOverride="2026.0.0" ExcludeAssets="runtime" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\Converters\Plant3d\Speckle.Converters.Plant3d2026\Speckle.Converters.Plant3d2026.csproj" />
+    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
+    <ProjectReference Include="..\..\..\Sdk\Speckle.Converters.Common\Speckle.Converters.Common.csproj" />
+  </ItemGroup>
+
+  <Import Project="..\Speckle.Connectors.Plant3dShared\Speckle.Connectors.Plant3dShared.projitems" Label="Shared" />
+
+  <Import Project="..\Speckle.Connectors.AutocadShared\Speckle.Connectors.AutocadShared.projitems" Label="Shared" />
+</Project>
@@ -1,7 +1,7 @@
 {
  "version": 2,
  "dependencies": {
-    "net8.0": {
+    "net8.0-windows7.0": {
      "Microsoft.NETFramework.ReferenceAssemblies": {
        "type": "Direct",
        "requested": "[1.0.3, )",
@@ -27,12 +27,27 @@
        "resolved": "1.14.1",
        "contentHash": "mOOmFYwad3MIOL14VCjj02LljyF1GNw1wP0YVlxtcPvqdxjGGMNdNJJxHptlry3MOd8b40Flm8RPOM8JOlN2sQ=="
      },
+      "Speckle.AutoCAD.API": {
+        "type": "Direct",
+        "requested": "[2026.0.0, )",
+        "resolved": "2026.0.0",
+        "contentHash": "WlkV81PmbK/ftoM7aGpU6LGosKbePBQej9MO/m63rFMozX89tsitEhE12o58wu7K/4FmRUdAMolYtdK20EDBnw=="
+      },
      "Speckle.InterfaceGenerator": {
        "type": "Direct",
        "requested": "[0.9.6, )",
        "resolved": "0.9.6",
        "contentHash": "HKH7tYrYYlCK1ct483hgxERAdVdMtl7gUKW9ijWXxA1UsYR4Z+TrRHYmzZ9qmpu1NnTycSrp005NYM78GDKV1w=="
      },
+      "Speckle.Plant3D.API": {
+        "type": "Direct",
+        "requested": "[2026.0.0, )",
+        "resolved": "2026.0.0",
+        "contentHash": "VT8M6CGQl1mk3/5Ro3AEAOVrOs/cX58YRwYZnu+6xeHvsazK07Et/6kMJsde4Y7Xrpox7eBLKgYeOspiRVvX5g==",
+        "dependencies": {
+          "Speckle.AutoCAD.API": "2026.0.0"
+        }
+      },
      "GraphQL.Client": {
        "type": "Transitive",
        "resolved": "6.0.0",
@@ -112,8 +127,8 @@
      },
      "Microsoft.Extensions.DependencyInjection.Abstractions": {
        "type": "Transitive",
-        "resolved": "8.0.0",
-        "contentHash": "cjWrLkJXK0rs4zofsK4bSdg+jhDLTaxrkXu4gS6Y7MAlCvRyNNgwY/lJi5RDlQOnSZweHqoyvgvbdvQsRIW+hg=="
+        "resolved": "2.2.0",
+        "contentHash": "f9hstgjVmr6rmrfGSpfsVOl2irKAgr1QjrSi3FgnS7kulxband50f2brRLwySAQTADPZeTdow0mpSMcoAdadCw=="
      },
      "Microsoft.Extensions.Options": {
        "type": "Transitive",
@@ -149,6 +164,25 @@
        "resolved": "13.0.2",
        "contentHash": "g1BejUZwax5PRfL6xHgLEK23sqHWOgOj9hE7RvfRRlN00AGt8GnPYt8HedSK7UB3HiRW8zCA9Pn0iiYxCK24BA=="
      },
+      "Speckle.Sdk": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "6gmPoWTv7DwqvUae57wCLF93upE9RIjaCZFue9UMY4I6FB8vLbMGfcyiUwnUY551WlGOual15ISS3G15/kMmnw==",
+        "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": "3.15.3"
+        }
+      },
+      "Speckle.Sdk.Dependencies": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "VLgyGi1kQNWe0fzRO0U3qnZZUQGDeFacnpn25Yy3esE0qeo4tqa1BrvXPv2ivEZbbhBkkg6+Gd+CztDIyw3Y/w=="
+      },
      "SQLitePCLRaw.bundle_e_sqlite3": {
        "type": "Transitive",
        "resolved": "2.1.4",
@@ -186,8 +220,8 @@
      },
      "System.Memory": {
        "type": "Transitive",
-        "resolved": "4.5.5",
-        "contentHash": "XIWiDvKPXaTveaB7HVganDlOCRoj03l+jrwNvcge/t8vhGYKvqV+dMv6G4SAX2NoNmN0wZfVPTAlFwZcZvVOUw=="
+        "resolved": "4.5.3",
+        "contentHash": "3oDzvc/zzetpTKWMShs1AADwZjQ/36HnsufHRPcOjyRAAMLDlu2iD33MBI2opxnezcVUtXyqDXXjoFMOU9c7SA=="
      },
      "System.Reactive": {
        "type": "Transitive",
@@ -204,57 +238,50 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.3, )",
-          "Speckle.Sdk": "[3.5.3, )",
-          "Speckle.Sdk.Dependencies": "[3.5.3, )"
+          "Speckle.Converters.Common": "[1.0.0, )",
+          "Speckle.Objects": "[3.15.3, )"
+        }
+      },
+      "speckle.connectors.dui": {
+        "type": "Project",
+        "dependencies": {
+          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
+          "Speckle.Connectors.Common": "[1.0.0, )"
+        }
+      },
+      "speckle.connectors.dui.webview": {
+        "type": "Project",
+        "dependencies": {
+          "Microsoft.Web.WebView2": "[1.0.1938.49, )",
+          "Speckle.Connectors.DUI": "[1.0.0, )"
        }
      },
      "speckle.connectors.logging": {
        "type": "Project"
      },
-      "speckle.importers.ifc": {
+      "speckle.converters.common": {
        "type": "Project",
        "dependencies": {
-          "Ara3D.Buffers": "[1.4.5, )",
-          "Ara3D.Logging": "[1.4.5, )",
-          "Ara3D.Utils": "[1.4.5, )",
-          "Microsoft.Extensions.DependencyInjection": "[8.0.0, )",
-          "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.3, )",
-          "Speckle.Sdk": "[3.5.3, )"
+          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
-      "Ara3D.Buffers": {
-        "type": "CentralTransitive",
-        "requested": "[1.4.5, )",
-        "resolved": "1.4.5",
-        "contentHash": "SKcQqgtXukyHTlTKFPCaUW4spSkue3XfBU/GmoA7KhH6H995v6TbJxtqjs0EfSgnXEkajL8U7X1NqktScRozXw==",
+      "speckle.converters.plant3d2026": {
+        "type": "Project",
        "dependencies": {
-          "System.Memory": "4.5.5"
+          "Speckle.AutoCAD.API": "[2026.0.0, )",
+          "Speckle.Connectors.DUI.WebView": "[1.0.0, )",
+          "Speckle.Converters.Common": "[1.0.0, )",
+          "Speckle.Plant3D.API": "[2026.0.0, )"
        }
      },
-      "Ara3D.Logging": {
-        "type": "CentralTransitive",
-        "requested": "[1.4.5, )",
-        "resolved": "1.4.5",
-        "contentHash": "7HPCe5Dq21JoOBF1iclk9H37XFCoB2ZzCPqTMNgdg4PWFvuRsofNbiuMdiE/HKgMHCVhy1C5opB2KwDKcO7Axw==",
-        "dependencies": {
-          "Ara3D.Utils": "1.4.5"
-        }
-      },
-      "Ara3D.Utils": {
-        "type": "CentralTransitive",
-        "requested": "[1.4.5, )",
-        "resolved": "1.4.5",
-        "contentHash": "yba/E7PpbWP0+RDp+KbKw/vBXnXBSIheScdpVKuDnr8ytRg8pZ2Jd6nwKES+G0FcVEB9PeOVmEW7SGrFvAwRCg=="
-      },
      "Microsoft.Extensions.DependencyInjection": {
        "type": "CentralTransitive",
        "requested": "[2.2.0, )",
-        "resolved": "8.0.0",
-        "contentHash": "V8S3bsm50ig6JSyrbcJJ8bW2b9QLGouz+G1miK3UTaOWmMtFwNNNzUf4AleyDWUmTrWMLNnFSLEQtxmxgNQnNQ==",
+        "resolved": "2.2.0",
+        "contentHash": "MZtBIwfDFork5vfjpJdG5g8wuJFt7d/y3LOSVVtDK/76wlbtz6cjltfKHqLx2TKVqTj5/c41t77m1+h20zqtPA==",
        "dependencies": {
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "8.0.0"
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0"
        }
      },
      "Microsoft.Extensions.Logging": {
@@ -275,6 +302,12 @@
        "resolved": "2.2.0",
        "contentHash": "B2WqEox8o+4KUOpL7rZPyh6qYjik8tHi2tN8Z9jZkHzED8ElYgZa/h6K+xliB435SqUcWT290Fr2aa8BtZjn8A=="
      },
+      "Microsoft.Web.WebView2": {
+        "type": "CentralTransitive",
+        "requested": "[1.0.1938.49, )",
+        "resolved": "1.0.1938.49",
+        "contentHash": "z8KnFnaTYzhA/ZnyRX0qGfS1NU5ZBJeClAH64F0fVDvdDJTvME7xl6zTJ0Jlfe1BtL3C0NH9xTy64shg2baKdw=="
+      },
      "Speckle.DoubleNumerics": {
        "type": "CentralTransitive",
        "requested": "[4.1.0, )",
@@ -283,33 +316,25 @@
      },
      "Speckle.Objects": {
        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "T3xwwoALVGmhIuEjlDrTdDXZ9haFILT32r8OACWrRUItU3xMkOWGyob51Ca1MHPmo8B5gvbk2Gnm8AgReGnxWg==",
+        "requested": "[3.15.3, )",
+        "resolved": "3.15.3",
+        "contentHash": "zmHnLKR46in0xH5ashD+ENlYUPDktUMZhXYYOb8aWHAG3Zxai2WvmDJtdf7pV9GTafkpR6fCo2EQTeCoY+XXxQ==",
        "dependencies": {
-          "Speckle.Sdk": "3.5.3"
+          "Speckle.Sdk": "3.15.3"
        }
+      }
+    },
+    "net8.0-windows7.0/win-x64": {
+      "SQLitePCLRaw.lib.e_sqlite3": {
+        "type": "Transitive",
+        "resolved": "2.1.4",
+        "contentHash": "2C9Q9eX7CPLveJA0rIhf9RXAvu+7nWZu1A2MdG6SD/NOu26TakGgL1nsbc0JAspGijFOo3HoN79xrx8a368fBg=="
      },
-      "Speckle.Sdk": {
+      "Microsoft.Web.WebView2": {
        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "o+HefwtPZBqyuUHEnKF+qb/ctCAlNc2BYIw3ULEsZ93zweHt5wOMvOeuPxIXR0Gvj3fg6yNlY2nUcdFEduIXYA==",
-        "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": "3.5.3"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "kC15SE4yZoVTasgywCm0SpY9yjBsQeUIDt4qoscYAgbn9pe0jj3uM0hZeJUCxn9Fdoj64OfQBpCKzR7VqhkwHQ=="
+        "requested": "[1.0.1938.49, )",
+        "resolved": "1.0.1938.49",
+        "contentHash": "z8KnFnaTYzhA/ZnyRX0qGfS1NU5ZBJeClAH64F0fVDvdDJTvME7xl6zTJ0Jlfe1BtL3C0NH9xTy64shg2baKdw=="
      }
    }
  }
@@ -0,0 +1,61 @@
+using Microsoft.Extensions.DependencyInjection;
+using Speckle.Connectors.Autocad.Bindings;
+using Speckle.Connectors.Common.Caching;
+using Speckle.Connectors.Common.Cancellation;
+using Speckle.Connectors.Common.Threading;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Connectors.DUI.Models.Card.SendFilter;
+using Speckle.Converters.Autocad;
+using Speckle.Converters.Common;
+using Speckle.Converters.Plant3dShared;
+
+namespace Speckle.Connectors.Plant3dShared.Bindings;
+
+public sealed class Plant3dSendBinding : AutocadSendBaseBinding
+{
+  private readonly IPlant3dConversionSettingsFactory _plant3dConversionSettingsFactory;
+  private readonly IAutocadConversionSettingsFactory _autocadConversionSettingsFactory;
+
+  public Plant3dSendBinding(
+    DocumentModelStore store,
+    IBrowserBridge parent,
+    IEnumerable<ISendFilter> sendFilters,
+    ICancellationManager cancellationManager,
+    ISendConversionCache sendConversionCache,
+    IPlant3dConversionSettingsFactory plant3dConversionSettingsFactory,
+    IAutocadConversionSettingsFactory autocadConversionSettingsFactory,
+    IThreadContext threadContext,
+    ITopLevelExceptionHandler topLevelExceptionHandler,
+    IAppIdleManager appIdleManager,
+    ISendOperationManagerFactory sendOperationManagerFactory
+  )
+    : base(
+      store,
+      parent,
+      sendFilters,
+      cancellationManager,
+      sendConversionCache,
+      threadContext,
+      topLevelExceptionHandler,
+      appIdleManager,
+      sendOperationManagerFactory
+    )
+  {
+    _plant3dConversionSettingsFactory = plant3dConversionSettingsFactory;
+    _autocadConversionSettingsFactory = autocadConversionSettingsFactory;
+  }
+
+  // We need a separate send binding for Plant 3D due to using a different unit converter (needed for conversion settings construction)
+  protected override void InitializeSettings(IServiceProvider serviceProvider)
+  {
+    serviceProvider
+      .GetRequiredService<IConverterSettingsStore<Plant3dConversionSettings>>()
+      .Initialize(_plant3dConversionSettingsFactory.Create(Application.DocumentManager.CurrentDocument));
+
+    serviceProvider
+      .GetRequiredService<IConverterSettingsStore<AutocadConversionSettings>>()
+      .Initialize(_autocadConversionSettingsFactory.Create(Application.DocumentManager.CurrentDocument));
+  }
+}
@@ -0,0 +1,27 @@
+using System.Reflection;
+using Microsoft.Extensions.DependencyInjection;
+using Speckle.Connectors.Autocad.DependencyInjection;
+using Speckle.Connectors.Autocad.Operations.Send;
+using Speckle.Connectors.Common.Builders;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.Plant3dShared.Bindings;
+using Speckle.Connectors.Plant3dShared.Operations.Send;
+using Speckle.Sdk;
+
+namespace Speckle.Connectors.Plant3dShared.DependencyInjection;
+
+public static class Plant3dConnectorModule
+{
+  public static void AddPlant3d(this IServiceCollection serviceCollection)
+  {
+    serviceCollection.AddAutocadBase();
+
+    // add send
+    serviceCollection.LoadSend();
+    serviceCollection.AddScoped<IRootObjectBuilder<AutocadRootObject>, Plant3dRootObjectBuilder>();
+    serviceCollection.AddSingleton<IBinding, Plant3dSendBinding>();
+
+    // automatically detects the Class:IClass interface pattern to register all generated interfaces
+    serviceCollection.AddMatchingInterfacesAsTransient(Assembly.GetExecutingAssembly());
+  }
+}
@@ -0,0 +1,50 @@
+using Autodesk.AutoCAD.DatabaseServices;
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Autocad.HostApp;
+using Speckle.Connectors.Autocad.Operations.Send;
+using Speckle.Connectors.Common.Caching;
+using Speckle.Converters.Autocad;
+using Speckle.Converters.Common;
+using Speckle.Sdk.Logging;
+using Speckle.Sdk.Models.Collections;
+
+namespace Speckle.Connectors.Plant3dShared.Operations.Send;
+
+public sealed class Plant3dRootObjectBuilder : AutocadRootObjectBaseBuilder
+{
+  private readonly AutocadLayerUnpacker _layerUnpacker;
+
+  public Plant3dRootObjectBuilder(
+    AutocadLayerUnpacker layerUnpacker,
+    IRootToSpeckleConverter converter,
+    IConverterSettingsStore<AutocadConversionSettings> converterSettings,
+    ISendConversionCache sendConversionCache,
+    AutocadInstanceUnpacker instanceObjectManager,
+    AutocadMaterialUnpacker materialUnpacker,
+    AutocadColorUnpacker colorUnpacker,
+    AutocadGroupUnpacker groupUnpacker,
+    ILogger<AutocadRootObjectBuilder> logger,
+    ISdkActivityFactory activityFactory
+  )
+    : base(
+      converter,
+      converterSettings,
+      sendConversionCache,
+      instanceObjectManager,
+      materialUnpacker,
+      colorUnpacker,
+      groupUnpacker,
+      logger,
+      activityFactory
+    )
+  {
+    _layerUnpacker = layerUnpacker;
+  }
+
+  public override (Collection, LayerTableRecord?) CreateObjectCollection(Entity entity, Transaction tr)
+  {
+    Layer layer = _layerUnpacker.GetOrCreateSpeckleLayer(entity, tr, out LayerTableRecord? autocadLayer);
+
+    return (layer, autocadLayer);
+  }
+}
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+    <HasSharedItems>true</HasSharedItems>
+    <SharedGUID>B1C4A14C-2F4E-4C3D-9B71-A3F5D8E6C912</SharedGUID>
+  </PropertyGroup>
+  <PropertyGroup Label="Configuration">
+    <Import_RootNamespace>Speckle.Connectors.Plant3dShared</Import_RootNamespace>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="$(MSBuildThisFileDirectory)DependencyInjection\Plant3dConnectorModule.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\Plant3dRootObjectBuilder.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Bindings\Plant3dSendBinding.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="$(MSBuildThisFileDirectory)DependencyInjection\" />
+    <Folder Include="$(MSBuildThisFileDirectory)Operations\Send\" />
+  </ItemGroup>
+</Project>
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{B1C4A14C-2F4E-4C3D-9B71-A3F5D8E6C912}</ProjectGuid>
+  </PropertyGroup>
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.Common.Default.props" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.Common.props" />
+  <Import Project="Speckle.Connectors.Plant3dShared.projitems" Label="Shared" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.CSharp.targets" />
+</Project>
@@ -48,11 +48,10 @@ public class CsiSharedSelectionBinding : ISelectionBinding, IDisposable
    {
      _lastSelection = currentIds;
      // ensure UI updates also run on main thread
-      _threadContext.RunOnMain(
-        () =>
-          _topLevelExceptionHandler.CatchUnhandled(
-            () => Parent.Send(SelectionBindingEvents.SET_SELECTION, currentSelection)
-          )
+      _threadContext.RunOnMain(() =>
+        _topLevelExceptionHandler.CatchUnhandled(() =>
+          Parent.Send(SelectionBindingEvents.SET_SELECTION, currentSelection)
+        )
      );
    }
  }
@@ -1,4 +1,5 @@
-using Microsoft.Extensions.DependencyInjection;
+using System.IO;
+using Microsoft.Extensions.DependencyInjection;
 using Speckle.Connectors.Common.Cancellation;
 using Speckle.Connectors.CSiShared.HostApp;
 using Speckle.Connectors.CSiShared.Operations.Send.Settings;
@@ -55,6 +56,7 @@ public sealed class CsiSharedSendBinding : ISendBinding
  public async Task Send(string modelCardId)
  {
    using var manager = _sendOperationManagerFactory.Create();
+    var (fileName, fileSizeBytes) = GetFileInfo();
    await manager.Process(
      Commands,
      modelCardId,
@@ -69,10 +71,24 @@ public sealed class CsiSharedSendBinding : ISendBinding
            )
          );
      },
-      card => card.SendFilter.NotNull().RefreshObjectIds().Select(DecodeObjectIdentifier).ToList()
+      card => card.SendFilter.NotNull().RefreshObjectIds().Select(DecodeObjectIdentifier).ToList(),
+      fileName,
+      fileSizeBytes
    );
  }

+  private (string? fileName, long? fileBytes) GetFileInfo()
+  {
+    string fullPath = _csiApplicationService.SapModel.GetModelFilename(true);
+    if (!File.Exists(fullPath))
+    {
+      return (null, null);
+    }
+
+    var fileInfo = new FileInfo(fullPath);
+    return (fileInfo.Name, fileInfo.Length);
+  }
+
  private ICsiWrapper DecodeObjectIdentifier(string encodedId)
  {
    var (type, name) = ObjectIdentifier.Decode(encodedId);
@@ -89,7 +89,11 @@ public class CsiDocumentModelStore : DocumentModelStore, IDisposable
        _speckleApplication.Slug
      );
      DocumentStateFile = Path.Combine(HostAppUserDataPath, $"{ModelPathHash}.json");
-      _logger.LogDebug($"Paths set - Hash: {ModelPathHash}, File: {DocumentStateFile}");
+      _logger.LogDebug(
+        "Paths set - Hash: {ModelPathHash}, File: {DocumentStateFile}",
+        ModelPathHash,
+        DocumentStateFile
+      );
    }
    catch (Exception ex) when (!ex.IsFatal())
    {
@@ -20,23 +20,8 @@ public class CsiFrameSectionPropertyExtractor : IFrameSectionPropertyExtractor
    _settingsStore = settingsStore;
  }

-  public void ExtractProperties(string sectionName, Dictionary<string, object?> properties)
-  {
-    GetMaterialName(sectionName, properties);
+  public void ExtractProperties(string sectionName, Dictionary<string, object?> properties) =>
    GetSectionProperties(sectionName, properties);
-    GetPropertyModifiers(sectionName, properties);
-  }
-
-  private void GetMaterialName(string sectionName, Dictionary<string, object?> properties)
-  {
-    // get material name
-    string materialName = string.Empty;
-    _settingsStore.Current.SapModel.PropFrame.GetMaterial(sectionName, ref materialName);
-
-    // append to General Data of properties dictionary
-    Dictionary<string, object?> generalData = properties.EnsureNested(SectionPropertyCategory.GENERAL_DATA);
-    generalData["Material"] = materialName;
-  }

  private void GetSectionProperties(string sectionName, Dictionary<string, object?> properties)
  {
@@ -69,47 +54,20 @@ public class CsiFrameSectionPropertyExtractor : IFrameSectionPropertyExtractor
      ref radiusOfGyrationAboutMinorAxis
    );

-    string distanceUnit = _settingsStore.Current.SpeckleUnits;
-    string areaUnit = $"{distanceUnit}²"; // // TODO: Formalize this better
-    string modulusUnit = $"{distanceUnit}³"; // // TODO: Formalize this better
-    string inertiaUnit = $"{distanceUnit}\u2074"; // TODO: Formalize this better
-
    Dictionary<string, object?> mechanicalProperties = properties.EnsureNested(
      SectionPropertyCategory.SECTION_PROPERTIES
    );
-    mechanicalProperties.AddWithUnits("Area", crossSectionalArea, areaUnit);
-    mechanicalProperties.AddWithUnits("As2", shearAreaInMajorAxisDirection, areaUnit);
-    mechanicalProperties.AddWithUnits("As3", shearAreaInMinorAxisDirection, areaUnit);
-    mechanicalProperties.AddWithUnits("J", torsionalConstant, inertiaUnit);
-    mechanicalProperties.AddWithUnits("I22", momentOfInertiaAboutMajorAxis, inertiaUnit);
-    mechanicalProperties.AddWithUnits("I33", momentOfInertiaAboutMinorAxis, inertiaUnit);
-    mechanicalProperties.AddWithUnits("S22", sectionModulusAboutMajorAxis, modulusUnit);
-    mechanicalProperties.AddWithUnits("S33", sectionModulusAboutMinorAxis, modulusUnit);
-    mechanicalProperties.AddWithUnits("Z22", plasticModulusAboutMajorAxis, modulusUnit);
-    mechanicalProperties.AddWithUnits("Z33", plasticModulusAboutMinorAxis, modulusUnit);
-    mechanicalProperties.AddWithUnits("R22", radiusOfGyrationAboutMajorAxis, distanceUnit);
-    mechanicalProperties.AddWithUnits("R33", radiusOfGyrationAboutMinorAxis, distanceUnit);
-  }
-
-  private void GetPropertyModifiers(string sectionName, Dictionary<string, object?> properties)
-  {
-    double[] stiffnessModifiersArray = [];
-    _settingsStore.Current.SapModel.PropFrame.GetModifiers(sectionName, ref stiffnessModifiersArray);
-
-    Dictionary<string, object?> modifiers =
-      new()
-      {
-        ["Cross-section (Axial) Area"] = stiffnessModifiersArray[0],
-        ["Shear Area in 2 Direction"] = stiffnessModifiersArray[1],
-        ["Shear Area in 3 Direction"] = stiffnessModifiersArray[2],
-        ["Torsional Constant"] = stiffnessModifiersArray[3],
-        ["Moment of Inertia about 2 Axis"] = stiffnessModifiersArray[4],
-        ["Moment of Inertia about 3 Axis"] = stiffnessModifiersArray[5],
-        ["Mass"] = stiffnessModifiersArray[6],
-        ["Weight"] = stiffnessModifiersArray[7],
-      };
-
-    Dictionary<string, object?> generalData = properties.EnsureNested(SectionPropertyCategory.GENERAL_DATA);
-    generalData["Modifiers"] = modifiers;
+    mechanicalProperties.Add("Area", crossSectionalArea);
+    mechanicalProperties.Add("As2", shearAreaInMajorAxisDirection);
+    mechanicalProperties.Add("As3", shearAreaInMinorAxisDirection);
+    mechanicalProperties.Add("J", torsionalConstant);
+    mechanicalProperties.Add("I22", momentOfInertiaAboutMajorAxis);
+    mechanicalProperties.Add("I33", momentOfInertiaAboutMinorAxis);
+    mechanicalProperties.Add("S22", sectionModulusAboutMajorAxis);
+    mechanicalProperties.Add("S33", sectionModulusAboutMinorAxis);
+    mechanicalProperties.Add("Z22", plasticModulusAboutMajorAxis);
+    mechanicalProperties.Add("Z33", plasticModulusAboutMinorAxis);
+    mechanicalProperties.Add("R22", radiusOfGyrationAboutMajorAxis);
+    mechanicalProperties.Add("R33", radiusOfGyrationAboutMinorAxis);
  }
 }
@@ -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;
  }
@@ -98,10 +98,10 @@ public class CsiMaterialPropertyExtractor
      1 => DirectionalSymmetryType.ORTHOTROPIC,
      2 => DirectionalSymmetryType.ANISOTROPIC,
      3 => DirectionalSymmetryType.UNIAXIAL,
-      _ => throw new ArgumentException($"Unknown symmetry type: {materialDirectionalSymmetryKey}")
+      _ => throw new ArgumentException($"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);
@@ -19,9 +19,11 @@ public class CsiResultsExtractorFactory
      ResultsKey.BASE_REACT => _serviceProvider.GetRequiredService<CsiBaseReactResultsExtractor>(),
      ResultsKey.FRAME_FORCES => _serviceProvider.GetRequiredService<CsiFrameForceResultsExtractor>(),
      ResultsKey.JOINT_REACT => _serviceProvider.GetRequiredService<CsiJointReactResultsExtractor>(),
+      ResultsKey.MODAL_PERIOD => _serviceProvider.GetRequiredService<CsiModalPeriodExtractor>(),
      ResultsKey.PIER_FORCES => _serviceProvider.GetRequiredService<CsiPierForceResultsExtractor>(),
      ResultsKey.SPANDREL_FORCES => _serviceProvider.GetRequiredService<CsiSpandrelForceResultsExtractor>(),
      ResultsKey.STORY_DRIFTS => _serviceProvider.GetRequiredService<CsiStoryDriftsResultsExtractor>(),
-      _ => throw new InvalidOperationException($"{resultsKey} not accounted for in CsiResultsExtractorFactory")
+      ResultsKey.STORY_FORCES => _serviceProvider.GetRequiredService<CsiStoryForceResultsExtractor>(),
+      _ => throw new InvalidOperationException($"{resultsKey} not accounted for in CsiResultsExtractorFactory"),
    };
 }
@@ -47,20 +47,19 @@ public class CsiShellSectionPropertyExtractor : IShellSectionPropertyExtractor
    double[] stiffnessModifiersArray = [];
    _settingsStore.Current.SapModel.PropArea.GetModifiers(sectionName, ref stiffnessModifiersArray);

-    Dictionary<string, object?> modifiers =
-      new()
-      {
-        ["Membrane f11 Direction"] = stiffnessModifiersArray[0],
-        ["Membrane f22 Direction"] = stiffnessModifiersArray[1],
-        ["Membrane f12 Direction"] = stiffnessModifiersArray[2],
-        ["Bending m11 Direction"] = stiffnessModifiersArray[3],
-        ["Bending m22 Direction"] = stiffnessModifiersArray[3],
-        ["Bending m12 Direction"] = stiffnessModifiersArray[4],
-        ["Shear v13 Direction"] = stiffnessModifiersArray[5],
-        ["Shear v23 Direction"] = stiffnessModifiersArray[6],
-        ["Mass"] = stiffnessModifiersArray[7],
-        ["Weight"] = stiffnessModifiersArray[8]
-      };
+    Dictionary<string, object?> modifiers = new()
+    {
+      ["Membrane f11 Direction"] = stiffnessModifiersArray[0],
+      ["Membrane f22 Direction"] = stiffnessModifiersArray[1],
+      ["Membrane f12 Direction"] = stiffnessModifiersArray[2],
+      ["Bending m11 Direction"] = stiffnessModifiersArray[3],
+      ["Bending m22 Direction"] = stiffnessModifiersArray[3],
+      ["Bending m12 Direction"] = stiffnessModifiersArray[4],
+      ["Shear v13 Direction"] = stiffnessModifiersArray[5],
+      ["Shear v23 Direction"] = stiffnessModifiersArray[6],
+      ["Mass"] = stiffnessModifiersArray[7],
+      ["Weight"] = stiffnessModifiersArray[8],
+    };

    var generalData = properties.EnsureNested(SectionPropertyCategory.GENERAL_DATA);
    generalData["Modifiers"] = modifiers;
@@ -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;
-    }
-  }
-}
@@ -0,0 +1,210 @@
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Common.Builders;
+using Speckle.Connectors.Common.Conversion;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.CSiShared.HostApp;
+using Speckle.Connectors.CSiShared.HostApp.Helpers;
+using Speckle.Connectors.CSiShared.Utils;
+using Speckle.Converters.Common;
+using Speckle.Converters.CSiShared;
+using Speckle.Converters.CSiShared.Extensions;
+using Speckle.Converters.CSiShared.Utils;
+using Speckle.Sdk;
+using Speckle.Sdk.Logging;
+using Speckle.Sdk.Models;
+using Speckle.Sdk.Models.Collections;
+using Speckle.Sdk.Pipelines.Progress;
+using Speckle.Sdk.Pipelines.Send;
+
+namespace Speckle.Connectors.CSiShared.Builders;
+
+/// <summary>
+/// Continuous traversal builder for CSi that streams objects through a <see cref="SendPipeline"/>
+/// for packfile-based uploads. Same conversion logic as <see cref="CsiRootObjectBuilder"/>.
+/// </summary>
+public class CsiContinuousTraversalBuilder : IRootContinuousTraversalBuilder<ICsiWrapper>
+{
+  private readonly IRootToSpeckleConverter _rootToSpeckleConverter;
+  private readonly IConverterSettingsStore<CsiConversionSettings> _converterSettings;
+  private readonly CsiSendCollectionManager _sendCollectionManager;
+  private readonly IMaterialUnpacker _materialUnpacker;
+  private readonly ISectionUnpacker _sectionUnpacker;
+  private readonly ILogger<CsiRootObjectBuilder> _logger;
+  private readonly ISdkActivityFactory _activityFactory;
+  private readonly ICsiApplicationService _csiApplicationService;
+  private readonly AnalysisResultsExtractor _analysisResultsExtractor;
+
+  public CsiContinuousTraversalBuilder(
+    IRootToSpeckleConverter rootToSpeckleConverter,
+    IConverterSettingsStore<CsiConversionSettings> converterSettings,
+    CsiSendCollectionManager sendCollectionManager,
+    IMaterialUnpacker materialUnpacker,
+    ISectionUnpacker sectionUnpacker,
+    ILogger<CsiRootObjectBuilder> logger,
+    ISdkActivityFactory activityFactory,
+    ICsiApplicationService csiApplicationService,
+    AnalysisResultsExtractor analysisResultsExtractor
+  )
+  {
+    _converterSettings = converterSettings;
+    _sendCollectionManager = sendCollectionManager;
+    _materialUnpacker = materialUnpacker;
+    _sectionUnpacker = sectionUnpacker;
+    _rootToSpeckleConverter = rootToSpeckleConverter;
+    _logger = logger;
+    _activityFactory = activityFactory;
+    _csiApplicationService = csiApplicationService;
+    _analysisResultsExtractor = analysisResultsExtractor;
+  }
+
+  public async Task<RootObjectBuilderResult> Build(
+    IReadOnlyList<ICsiWrapper> csiObjects,
+    string projectId,
+    SendPipeline sendPipeline,
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken
+  )
+  {
+    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,
+      ["forceUnits"] = forceUnit,
+      ["temperatureUnits"] = tempUnit,
+    };
+
+    List<SendConversionResult> results = new(csiObjects.Count);
+    int count = 0;
+
+    using (var _ = _activityFactory.Start("Convert all"))
+    {
+      foreach (ICsiWrapper csiObject in csiObjects)
+      {
+        cancellationToken.ThrowIfCancellationRequested();
+        var result = await ConvertCsiObject(csiObject, rootObjectCollection, sendPipeline);
+        results.Add(result);
+
+        count++;
+        onOperationProgressed.Report(
+          new($"Converting objects... ({count:N0} / {csiObjects.Count:N0})", (double)count / csiObjects.Count)
+        );
+        await Task.Yield();
+      }
+    }
+
+    if (results.All(x => x.Status == Status.ERROR))
+    {
+      throw new SpeckleException("Failed to convert all objects");
+    }
+
+    using (var _ = _activityFactory.Start("Process Proxies"))
+    {
+      rootObjectCollection[ProxyKeys.MATERIAL] = _materialUnpacker.UnpackMaterials().ToList();
+      rootObjectCollection[ProxyKeys.SECTION] = _sectionUnpacker.UnpackSections().ToList();
+    }
+
+    // Extract analysis results (if applicable)
+    var objectSelectionSummary = GetObjectSummary(csiObjects);
+    var selectedCasesAndCombinations = _converterSettings.Current.SelectedLoadCasesAndCombinations;
+    var requestedResultTypes = _converterSettings.Current.SelectedResultTypes;
+
+    if (selectedCasesAndCombinations?.Count > 0)
+    {
+      if (requestedResultTypes == null || requestedResultTypes.Count == 0)
+      {
+        throw new SpeckleException(
+          "Adjust publish settings - no result type input for the requested load cases and combinations"
+        );
+      }
+
+      if (!_csiApplicationService.SapModel.GetModelIsLocked())
+      {
+        throw new SpeckleException("Model unlocked, no access to analysis results");
+      }
+
+      try
+      {
+        var analysisResults = _analysisResultsExtractor.ExtractAnalysisResults(
+          selectedCasesAndCombinations,
+          requestedResultTypes,
+          objectSelectionSummary
+        );
+        rootObjectCollection[RootKeys.ANALYSIS_RESULTS] = analysisResults;
+      }
+      catch (Exception ex)
+      {
+        throw new SpeckleException("Analysis result extraction failed", ex);
+      }
+    }
+
+    // Process root collection and wait for all uploads
+    await sendPipeline.Process(rootObjectCollection);
+    await sendPipeline.WaitForUpload();
+
+    return new RootObjectBuilderResult(rootObjectCollection, results);
+  }
+
+  private async Task<SendConversionResult> ConvertCsiObject(
+    ICsiWrapper csiObject,
+    Collection typeCollection,
+    SendPipeline sendPipeline
+  )
+  {
+    string sourceType = csiObject.ObjectName;
+    string applicationId = csiObject switch
+    {
+      CsiJointWrapper jointWrapper => jointWrapper.GetSpeckleApplicationId(_csiApplicationService.SapModel),
+      CsiFrameWrapper frameWrapper => frameWrapper.GetSpeckleApplicationId(_csiApplicationService.SapModel),
+      CsiCableWrapper cableWrapper => cableWrapper.GetSpeckleApplicationId(_csiApplicationService.SapModel),
+      CsiTendonWrapper tendonWrapper => tendonWrapper.ObjectName,
+      CsiShellWrapper shellWrapper => shellWrapper.GetSpeckleApplicationId(_csiApplicationService.SapModel),
+      CsiSolidWrapper solidWrapper => solidWrapper.GetSpeckleApplicationId(_csiApplicationService.SapModel),
+      CsiLinkWrapper linkWrapper => linkWrapper.GetSpeckleApplicationId(_csiApplicationService.SapModel),
+      _ => throw new ArgumentException($"Unsupported wrapper type: {csiObject.GetType()}", nameof(csiObject)),
+    };
+
+    try
+    {
+      Base converted = _rootToSpeckleConverter.Convert(csiObject);
+
+      var collection = _sendCollectionManager.AddObjectCollectionToRoot(converted, typeCollection);
+
+      // NOTE: this is the main part that differentiate from the main root object builder
+      var reference = await sendPipeline.Process(converted).ConfigureAwait(false);
+      collection.elements.Add(reference);
+
+      return new(Status.SUCCESS, applicationId, sourceType, reference);
+    }
+    catch (NotImplementedException ex)
+    {
+      _logger.LogError(ex, "Failed to convert object {sourceType}", sourceType);
+      return new(Status.WARNING, applicationId, sourceType, null, ex);
+    }
+    catch (Exception ex) when (!ex.IsFatal())
+    {
+      _logger.LogError(ex, "Failed to convert object {sourceType}", sourceType);
+      return new(Status.ERROR, applicationId, sourceType, null, ex);
+    }
+  }
+
+  private Dictionary<ModelObjectType, List<string>> GetObjectSummary(IReadOnlyList<ICsiWrapper> csiObjects) =>
+    csiObjects
+      .GroupBy(csiObject => csiObject.ObjectType)
+      .ToDictionary(group => group.Key, group => group.Select(obj => obj.Name).ToList());
+
+  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());
+  }
+}
@@ -13,6 +13,7 @@ using Speckle.Sdk;
 using Speckle.Sdk.Logging;
 using Speckle.Sdk.Models;
 using Speckle.Sdk.Models.Collections;
+using Speckle.Sdk.Pipelines.Progress;

 namespace Speckle.Connectors.CSiShared.Builders;

@@ -34,7 +35,7 @@ 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 +46,7 @@ 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 +84,15 @@ public class CsiRootObjectBuilder : IRootObjectBuilder<ICsiWrapper>
    using var activity = _activityFactory.Start("Build");

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

    List<SendConversionResult> results = new(csiObjects.Count);
    int count = 0;
@@ -105,7 +113,7 @@ public class CsiRootObjectBuilder : IRootObjectBuilder<ICsiWrapper>

    if (results.All(x => x.Status == Status.ERROR))
    {
-      throw new SpeckleException("Failed to convert all objects.");
+      throw new SpeckleException("Failed to convert all objects");
    }

    using (var _ = _activityFactory.Start("Process Proxies"))
@@ -129,22 +137,30 @@ public class CsiRootObjectBuilder : IRootObjectBuilder<ICsiWrapper>
      if (requestedResultTypes == null || requestedResultTypes.Count == 0)
      {
        throw new SpeckleException(
-          "No result type input for the requested load cases and combinations. Adjust publish settings."
+          "Adjust publish settings - no result type input for the requested load cases and combinations"
        );
      }

      if (!_csiApplicationService.SapModel.GetModelIsLocked())
      {
-        throw new SpeckleException("Model unlocked. No access to analysis results.");
+        throw new SpeckleException("Model unlocked, no access to analysis results");
      }

-      var analysisResults = _analysisResultsExtractor.ExtractAnalysisResults(
-        selectedCasesAndCombinations,
-        requestedResultTypes,
-        objectSelectionSummary
-      );
-      rootObjectCollection["analysisResults"] = analysisResults;
+      try
+      {
+        var analysisResults = _analysisResultsExtractor.ExtractAnalysisResults(
+          selectedCasesAndCombinations,
+          requestedResultTypes,
+          objectSelectionSummary
+        );
+        rootObjectCollection[RootKeys.ANALYSIS_RESULTS] = analysisResults;
+      }
+      catch (Exception ex)
+      {
+        throw new SpeckleException("Analysis result extraction failed", ex);
+      }
    }
+
    return new RootObjectBuilderResult(rootObjectCollection, results);
  }

@@ -163,7 +179,7 @@ public class CsiRootObjectBuilder : IRootObjectBuilder<ICsiWrapper>
      CsiShellWrapper shellWrapper => shellWrapper.GetSpeckleApplicationId(_csiApplicationService.SapModel),
      CsiSolidWrapper solidWrapper => solidWrapper.GetSpeckleApplicationId(_csiApplicationService.SapModel),
      CsiLinkWrapper linkWrapper => linkWrapper.GetSpeckleApplicationId(_csiApplicationService.SapModel),
-      _ => throw new ArgumentException($"Unsupported wrapper type: {csiObject.GetType()}", nameof(csiObject))
+      _ => throw new ArgumentException($"Unsupported wrapper type: {csiObject.GetType()}", nameof(csiObject)),
    };

    try
@@ -182,12 +198,12 @@ public class CsiRootObjectBuilder : IRootObjectBuilder<ICsiWrapper>
    // NOTE: CsiTendonWrapper - not typically modelled in ETABS, rather SAFE
    catch (NotImplementedException ex)
    {
-      _logger.LogError(ex, sourceType);
+      _logger.LogError(ex, "Failed to convert object {sourceType}", sourceType);
      return new(Status.WARNING, applicationId, sourceType, null, ex);
    }
    catch (Exception ex) when (!ex.IsFatal())
    {
-      _logger.LogError(ex, sourceType);
+      _logger.LogError(ex, "Failed to convert object {sourceType}", sourceType);
      return new(Status.ERROR, applicationId, sourceType, null, ex);
    }
  }
@@ -209,4 +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());
+  }
 }
@@ -43,11 +43,12 @@ public static class ServiceRegistration
    services.AddScoped<ISendFilter, CsiSharedSelectionFilter>();
    services.AddScoped<CsiSendCollectionManager>();
    services.AddScoped<IRootObjectBuilder<ICsiWrapper>, CsiRootObjectBuilder>();
+    services.AddScoped<IRootContinuousTraversalBuilder<ICsiWrapper>, CsiContinuousTraversalBuilder>();
    services.AddScoped<SendOperation<ICsiWrapper>>();

    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" />
@@ -27,6 +29,7 @@
    <Compile Include="$(MSBuildThisFileDirectory)HostApp\Helpers\IApplicationSectionPropertyExtractor.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)HostApp\Helpers\ISectionPropertyExtractor.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)HostApp\Helpers\ISectionUnpacker.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\CsiContinuousTraversalBuilder.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\CsiRootObjectBuilder.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\Settings\ToSpeckleSettingsManager.cs" />
    <Compile Include="$(MSBuildThisFileDirectory)Plugin\CsiPluginBase.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,
@@ -1,33 +1,35 @@
 <Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net48</TargetFramework>
+    <Platforms>AnyCPU</Platforms>
+    <UseWindowsForms>true</UseWindowsForms>
+    <UseWPF>true</UseWPF>
+    <ETABSVersion>21</ETABSVersion>
+    <DefineConstants>$(DefineConstants);ETABS21</DefineConstants>
+    <EnableDynamicLoading>true</EnableDynamicLoading>
+    <Configurations>Debug;Release;Local</Configurations>
+  </PropertyGroup>

-    <PropertyGroup>
-      <TargetFramework>net48</TargetFramework>
-      <Platforms>AnyCPU</Platforms>
-      <UseWindowsForms>true</UseWindowsForms>
-      <UseWPF>true</UseWPF>
-      <ETABSVersion>21</ETABSVersion>
-      <DefineConstants>$(DefineConstants);ETABS21</DefineConstants>
-      <EnableDynamicLoading>true</EnableDynamicLoading>
-      <Configurations>Debug;Release;Local</Configurations>
-    </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\Converters\CSi\Speckle.Converters.ETABS21\Speckle.Converters.ETABS21.csproj" />
+    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
+    <ProjectReference Include="..\..\..\Sdk\Speckle.Connectors.Common\Speckle.Connectors.Common.csproj" />
+  </ItemGroup>

-    <ItemGroup>
-      <ProjectReference Include="..\..\..\Converters\CSi\Speckle.Converters.ETABS21\Speckle.Converters.ETABS21.csproj" />
-      <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
-      <ProjectReference Include="..\..\..\Sdk\Speckle.Connectors.Common\Speckle.Connectors.Common.csproj" />
+  <ItemGroup>
+    <PackageReference
+      Include="Speckle.CSI.API"
+      PrivateAssets="all"
+      IncludeAssets="compile; build"
+      VersionOverride="1.30.0"
+    />
+  </ItemGroup>

-    </ItemGroup>
+  <ItemGroup>
+    <Compile Update="Plugin\SpeckleForm.cs" />
+  </ItemGroup>

-    <ItemGroup>
-      <PackageReference Include="Speckle.CSI.API" PrivateAssets="all" IncludeAssets="compile; build" VersionOverride="1.30.0" />
-    </ItemGroup>
-
-    <ItemGroup>
-      <Compile Update="Plugin\SpeckleForm.cs" />
-    </ItemGroup>
-
-    <Import Project="..\Speckle.Connectors.CSiShared\Speckle.Connectors.CSiShared.projitems" Label="Shared" />
-
-    <Import Project="..\Speckle.Connectors.ETABSShared\Speckle.Connectors.ETABSShared.projitems" Label="Shared" />
+  <Import Project="..\Speckle.Connectors.CSiShared\Speckle.Connectors.CSiShared.projitems" Label="Shared" />

+  <Import Project="..\Speckle.Connectors.ETABSShared\Speckle.Connectors.ETABSShared.projitems" Label="Shared" />
 </Project>
@@ -73,8 +73,8 @@
      },
      "Microsoft.Bcl.AsyncInterfaces": {
        "type": "Transitive",
-        "resolved": "5.0.0",
-        "contentHash": "W8DPQjkMScOMTtJbPwmPyj9c3zYSFGawDW3jwlBOOsnY+EzZFLgNQ/UMkK35JmkNOVPdCyPr2Tw7Vv9N+KA3ZQ==",
+        "resolved": "9.0.4",
+        "contentHash": "9VGI5kxIvrNG2mqLQZnUR6y/3fcnygD8eNpHR+CqfbnIXvea6nehnYknDKQTxZVPMpzpNca+7DxLBmpdB3q0Bw==",
        "dependencies": {
          "System.Threading.Tasks.Extensions": "4.5.4"
        }
@@ -169,6 +169,29 @@
        "resolved": "13.0.2",
        "contentHash": "g1BejUZwax5PRfL6xHgLEK23sqHWOgOj9hE7RvfRRlN00AGt8GnPYt8HedSK7UB3HiRW8zCA9Pn0iiYxCK24BA=="
      },
+      "Speckle.Sdk": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "6gmPoWTv7DwqvUae57wCLF93upE9RIjaCZFue9UMY4I6FB8vLbMGfcyiUwnUY551WlGOual15ISS3G15/kMmnw==",
+        "dependencies": {
+          "GraphQL.Client": "6.0.0",
+          "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": "3.15.3"
+        }
+      },
+      "Speckle.Sdk.Dependencies": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "VLgyGi1kQNWe0fzRO0U3qnZZUQGDeFacnpn25Yy3esE0qeo4tqa1BrvXPv2ivEZbbhBkkg6+Gd+CztDIyw3Y/w==",
+        "dependencies": {
+          "Microsoft.Bcl.AsyncInterfaces": "9.0.4"
+        }
+      },
      "SQLitePCLRaw.bundle_e_sqlite3": {
        "type": "Transitive",
        "resolved": "2.1.4",
@@ -259,9 +282,8 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.3, )",
-          "Speckle.Sdk": "[3.5.3, )",
-          "Speckle.Sdk.Dependencies": "[3.5.3, )"
+          "Speckle.Converters.Common": "[1.0.0, )",
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "speckle.connectors.dui": {
@@ -285,7 +307,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.3, )"
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "speckle.converters.etabs21": {
@@ -335,35 +357,12 @@
      },
      "Speckle.Objects": {
        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "T3xwwoALVGmhIuEjlDrTdDXZ9haFILT32r8OACWrRUItU3xMkOWGyob51Ca1MHPmo8B5gvbk2Gnm8AgReGnxWg==",
+        "requested": "[3.15.3, )",
+        "resolved": "3.15.3",
+        "contentHash": "zmHnLKR46in0xH5ashD+ENlYUPDktUMZhXYYOb8aWHAG3Zxai2WvmDJtdf7pV9GTafkpR6fCo2EQTeCoY+XXxQ==",
        "dependencies": {
-          "Speckle.Sdk": "3.5.3"
+          "Speckle.Sdk": "3.15.3"
        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "o+HefwtPZBqyuUHEnKF+qb/ctCAlNc2BYIw3ULEsZ93zweHt5wOMvOeuPxIXR0Gvj3fg6yNlY2nUcdFEduIXYA==",
-        "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": "3.5.3"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "kC15SE4yZoVTasgywCm0SpY9yjBsQeUIDt4qoscYAgbn9pe0jj3uM0hZeJUCxn9Fdoj64OfQBpCKzR7VqhkwHQ=="
      }
    }
  }
@@ -1,32 +1,30 @@
 <Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0-windows</TargetFramework>
+    <Platforms>AnyCPU</Platforms>
+    <UseWindowsForms>true</UseWindowsForms>
+    <UseWPF>true</UseWPF>
+    <ETABSVersion>22</ETABSVersion>
+    <DefineConstants>$(DefineConstants);ETABS22;ETABS22_OR_GREATER</DefineConstants>
+    <EnableDynamicLoading>true</EnableDynamicLoading>
+    <Configurations>Debug;Release;Local</Configurations>
+  </PropertyGroup>

-    <PropertyGroup>
-      <TargetFramework>net8.0-windows</TargetFramework>
-      <Platforms>AnyCPU</Platforms>
-      <UseWindowsForms>true</UseWindowsForms>
-      <UseWPF>true</UseWPF>
-      <ETABSVersion>22</ETABSVersion>
-      <DefineConstants>$(DefineConstants);ETABS22;ETABS22_OR_GREATER</DefineConstants>
-      <EnableDynamicLoading>true</EnableDynamicLoading>
-      <Configurations>Debug;Release;Local</Configurations>
-    </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\Converters\CSi\Speckle.Converters.ETABS22\Speckle.Converters.ETABS22.csproj" />
+    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
+    <ProjectReference Include="..\..\..\Sdk\Speckle.Connectors.Common\Speckle.Connectors.Common.csproj" />
+  </ItemGroup>

-    <ItemGroup>
-      <ProjectReference Include="..\..\..\Converters\CSi\Speckle.Converters.ETABS22\Speckle.Converters.ETABS22.csproj" />
-      <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
-      <ProjectReference Include="..\..\..\Sdk\Speckle.Connectors.Common\Speckle.Connectors.Common.csproj" />
-    </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Speckle.CSI.API" PrivateAssets="all" IncludeAssets="compile; build" />
+  </ItemGroup>

-    <ItemGroup>
-      <PackageReference Include="Speckle.CSI.API" PrivateAssets="all" IncludeAssets="compile; build" />
-    </ItemGroup>
+  <ItemGroup>
+    <Compile Update="Plugin\SpeckleForm.cs" />
+  </ItemGroup>

-    <ItemGroup>
-      <Compile Update="Plugin\SpeckleForm.cs" />
-    </ItemGroup>
-
-    <Import Project="..\Speckle.Connectors.CSiShared\Speckle.Connectors.CSiShared.projitems" Label="Shared" />
-
-    <Import Project="..\Speckle.Connectors.ETABSShared\Speckle.Connectors.ETABSShared.projitems" Label="Shared" />
+  <Import Project="..\Speckle.Connectors.CSiShared\Speckle.Connectors.CSiShared.projitems" Label="Shared" />

+  <Import Project="..\Speckle.Connectors.ETABSShared\Speckle.Connectors.ETABSShared.projitems" Label="Shared" />
 </Project>
@@ -155,6 +155,25 @@
        "resolved": "13.0.2",
        "contentHash": "g1BejUZwax5PRfL6xHgLEK23sqHWOgOj9hE7RvfRRlN00AGt8GnPYt8HedSK7UB3HiRW8zCA9Pn0iiYxCK24BA=="
      },
+      "Speckle.Sdk": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "6gmPoWTv7DwqvUae57wCLF93upE9RIjaCZFue9UMY4I6FB8vLbMGfcyiUwnUY551WlGOual15ISS3G15/kMmnw==",
+        "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": "3.15.3"
+        }
+      },
+      "Speckle.Sdk.Dependencies": {
+        "type": "Transitive",
+        "resolved": "3.15.3",
+        "contentHash": "VLgyGi1kQNWe0fzRO0U3qnZZUQGDeFacnpn25Yy3esE0qeo4tqa1BrvXPv2ivEZbbhBkkg6+Gd+CztDIyw3Y/w=="
+      },
      "SQLitePCLRaw.bundle_e_sqlite3": {
        "type": "Transitive",
        "resolved": "2.1.4",
@@ -210,9 +229,8 @@
        "dependencies": {
          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
          "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.5.3, )",
-          "Speckle.Sdk": "[3.5.3, )",
-          "Speckle.Sdk.Dependencies": "[3.5.3, )"
+          "Speckle.Converters.Common": "[1.0.0, )",
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "speckle.connectors.dui": {
@@ -236,7 +254,7 @@
        "type": "Project",
        "dependencies": {
          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.5.3, )"
+          "Speckle.Objects": "[3.15.3, )"
        }
      },
      "speckle.converters.etabs22": {
@@ -286,33 +304,12 @@
      },
      "Speckle.Objects": {
        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "T3xwwoALVGmhIuEjlDrTdDXZ9haFILT32r8OACWrRUItU3xMkOWGyob51Ca1MHPmo8B5gvbk2Gnm8AgReGnxWg==",
+        "requested": "[3.15.3, )",
+        "resolved": "3.15.3",
+        "contentHash": "zmHnLKR46in0xH5ashD+ENlYUPDktUMZhXYYOb8aWHAG3Zxai2WvmDJtdf7pV9GTafkpR6fCo2EQTeCoY+XXxQ==",
        "dependencies": {
-          "Speckle.Sdk": "3.5.3"
+          "Speckle.Sdk": "3.15.3"
        }
-      },
-      "Speckle.Sdk": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "o+HefwtPZBqyuUHEnKF+qb/ctCAlNc2BYIw3ULEsZ93zweHt5wOMvOeuPxIXR0Gvj3fg6yNlY2nUcdFEduIXYA==",
-        "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": "3.5.3"
-        }
-      },
-      "Speckle.Sdk.Dependencies": {
-        "type": "CentralTransitive",
-        "requested": "[3.5.3, )",
-        "resolved": "3.5.3",
-        "contentHash": "kC15SE4yZoVTasgywCm0SpY9yjBsQeUIDt4qoscYAgbn9pe0jj3uM0hZeJUCxn9Fdoj64OfQBpCKzR7VqhkwHQ=="
      }
    }
  }
@@ -0,0 +1,49 @@
+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;
+    }
+  }
+}
@@ -47,28 +47,26 @@ public class EtabsSectionUnpacker : ISectionUnpacker
      string sectionName = entry.Key;
      List<string> frameIds = entry.Value;

-      // Initialize properties outside the if statement
-      Dictionary<string, object?> properties = new Dictionary<string, object?>();
+      // initialize properties
+      Dictionary<string, object?> properties = [];

-      // get the properties of the section
-      // openings will have objects assigned to them, but won't have properties
-      // sectionName is initialized with string.Empty, but api ref returns string "None"
-      if (sectionName != "None")
+      // Extract properties if valid section name
+      // "None" is weird but api returns that string if an opening, null element etc.
+      if (sectionName != "None" && !string.IsNullOrEmpty(sectionName))
      {
        properties = _propertyExtractor.ExtractFrameSectionProperties(sectionName);
      }

-      // create the section proxy
-      GroupProxy sectionProxy =
-        new()
-        {
-          id = sectionName,
-          name = sectionName,
-          applicationId = sectionName,
-          objects = frameIds,
-          ["type"] = "Frame Section", // since sectionProxies are a flat list, need some way to distinguish from shell
-          ["properties"] = properties // openings will just have an empty dict here
-        };
+      // create section proxy
+      GroupProxy sectionProxy = new()
+      {
+        id = sectionName,
+        name = sectionName,
+        applicationId = sectionName,
+        objects = frameIds,
+        ["type"] = "Frame Section",
+        ["properties"] = properties,
+      };

      yield return sectionProxy;
    }
@@ -81,8 +79,8 @@ public class EtabsSectionUnpacker : ISectionUnpacker
      string sectionName = entry.Key;
      List<string> frameIds = entry.Value;

-      // Initialize properties outside the if statement
-      Dictionary<string, object?> properties = new Dictionary<string, object?>();
+      // initialize properties outside the if statement
+      Dictionary<string, object?> properties = [];

      // get the properties of the section
      // openings will have objects assigned to them, but won't have properties
@@ -92,17 +90,16 @@ public class EtabsSectionUnpacker : ISectionUnpacker
        properties = _propertyExtractor.ExtractShellSectionProperties(sectionName);
      }

-      // create the section proxy
-      GroupProxy sectionProxy =
-        new()
-        {
-          id = sectionName,
-          name = sectionName,
-          applicationId = sectionName,
-          objects = frameIds,
-          ["type"] = "Shell Section", // since sectionProxies are a flat list, need some way to distinguish from frame
-          ["properties"] = properties // openings will just have an empty dict here
-        };
+      // create section proxy
+      GroupProxy sectionProxy = new()
+      {
+        id = sectionName,
+        name = sectionName,
+        applicationId = sectionName,
+        objects = frameIds,
+        ["type"] = "Shell Section", // since sectionProxies are a flat list, need some way to distinguish from frame
+        ["properties"] = properties, // openings will just have an empty dict here
+      };

      yield return sectionProxy;
    }
@@ -15,18 +15,17 @@ public class EtabsSendCollectionManager : CsiSendCollectionManager
 {
  private const string DEFAULT_LEVEL = "Unassigned";

-  private readonly Dictionary<ElementCategory, string> _categoryNames =
-    new()
-    {
-      { ElementCategory.COLUMN, "Columns" },
-      { ElementCategory.BEAM, "Beams" },
-      { ElementCategory.BRACE, "Braces" },
-      { ElementCategory.WALL, "Walls" },
-      { ElementCategory.FLOOR, "Floors" },
-      { ElementCategory.RAMP, "Ramps" },
-      { ElementCategory.JOINT, "Joints" },
-      { ElementCategory.OTHER, "Other" }
-    };
+  private readonly Dictionary<ElementCategory, string> _categoryNames = new()
+  {
+    { ElementCategory.COLUMN, "Columns" },
+    { ElementCategory.BEAM, "Beams" },
+    { ElementCategory.BRACE, "Braces" },
+    { ElementCategory.WALL, "Walls" },
+    { ElementCategory.FLOOR, "Floors" },
+    { ElementCategory.RAMP, "Ramps" },
+    { ElementCategory.JOINT, "Joints" },
+    { ElementCategory.OTHER, "Other" },
+  };

  public EtabsSendCollectionManager(IConverterSettingsStore<CsiConversionSettings> converterSettings)
    : base(converterSettings) { }
@@ -108,7 +107,7 @@ public class EtabsSendCollectionManager : CsiSendCollectionManager
      ("Wall", nameof(ModelObjectType.SHELL)) => ElementCategory.WALL,
      ("Floor", nameof(ModelObjectType.SHELL)) => ElementCategory.FLOOR,
      ("Ramp", nameof(ModelObjectType.SHELL)) => ElementCategory.RAMP,
-      _ => ElementCategory.OTHER
+      _ => ElementCategory.OTHER,
    };
  }

@@ -1,4 +1,5 @@
 using Speckle.Connectors.CSiShared.HostApp.Helpers;
+using Speckle.Connectors.ETABSShared.HostApp.Services;
 using Speckle.Converters.Common;
 using Speckle.Converters.CSiShared;
 using Speckle.Converters.CSiShared.Utils;
@@ -8,69 +9,96 @@ namespace Speckle.Connectors.ETABSShared.HostApp.Helpers;
 /// <summary>
 /// Extracts ETABS-specific frame section properties.
 /// </summary>
+/// <remarks>
+/// The bulk loading strategy is necessary here because we can't know which database table contains which section
+/// beforehand - there are multiple tables like "Frame Section Property Definitions - Steel",
+/// "Frame Section Property Definitions - Concrete", etc.
+/// </remarks>
 public class EtabsFrameSectionPropertyExtractor : IApplicationFrameSectionPropertyExtractor
 {
  private readonly IConverterSettingsStore<CsiConversionSettings> _settingsStore;
+  private readonly EtabsSectionPropertyDefinitionService _definitionService;

-  public EtabsFrameSectionPropertyExtractor(IConverterSettingsStore<CsiConversionSettings> settingsStore)
+  public EtabsFrameSectionPropertyExtractor(
+    IConverterSettingsStore<CsiConversionSettings> settingsStore,
+    EtabsSectionPropertyDefinitionService definitionService
+  )
  {
    _settingsStore = settingsStore;
+    _definitionService = definitionService;
  }

  /// <summary>
-  /// Gets generalised frame section properties
+  /// Gets frame section properties from preloaded database table data
  /// </summary>
  /// <remarks>
-  /// Sap2000 doesn't support this method, unfortunately
-  /// Alternative is to account for extraction according to section type - we're talking over 40 section types!
-  /// This way, we get basic information with minimal computational costs.
+  /// Property categorization is done heuristically - order matters in the parsing logic.
  /// </remarks>
  public void ExtractProperties(string sectionName, Dictionary<string, object?> properties)
  {
-    // Get all frame properties
-    int numberOfNames = 0;
-    string[] names = [];
-    eFramePropType[] propTypes = [];
-    double[] t3 = [],
-      t2 = [],
-      tf = [],
-      tw = [],
-      t2b = [],
-      tfb = [],
-      area = [];
-
-    _settingsStore.Current.SapModel.PropFrame.GetAllFrameProperties_2(
-      ref numberOfNames,
-      ref names,
-      ref propTypes,
-      ref t3,
-      ref t2,
-      ref tf,
-      ref tw,
-      ref t2b,
-      ref tfb,
-      ref area
-    );
-
-    // Find the index of the current section
-    int sectionIndex = Array.IndexOf(names, sectionName);
-
-    if (sectionIndex != -1)
+    // get frame definitions from the service (which uses database table extraction)
+    // this is a fast dictionary lookup since all data is preloaded
+    if (!_definitionService.FrameDefinitions.TryGetValue(sectionName, out var rawDatabaseTableProperties))
    {
-      // General Data
-      var generalData = properties.EnsureNested(SectionPropertyCategory.GENERAL_DATA);
-      generalData["Section Shape"] = propTypes[sectionIndex].ToString();
+      return; // no definitions found for this section
+    }

-      // Section Dimensions
-      string unit = _settingsStore.Current.SpeckleUnits;
-      var sectionDimensions = properties.EnsureNested(SectionPropertyCategory.SECTION_DIMENSIONS);
-      sectionDimensions.AddWithUnits("t3", t3[sectionIndex], unit);
-      sectionDimensions.AddWithUnits("t2", t2[sectionIndex], unit);
-      sectionDimensions.AddWithUnits("tf", tf[sectionIndex], unit);
-      sectionDimensions.AddWithUnits("tw", tw[sectionIndex], unit);
-      sectionDimensions.AddWithUnits("t2b", t2b[sectionIndex], unit);
-      sectionDimensions.AddWithUnits("tfb", tfb[sectionIndex], unit);
-      sectionDimensions.AddWithUnits("Area", area[sectionIndex], $"{unit}²");
+    // define table keys that we don't want to include in the section proxy properties
+    var keysToExclude = new HashSet<string>
+    {
+      "GUID",
+      "Name",
+      "Color",
+      "Notes",
+      "FileName",
+      "FromFile",
+      "SectInFile",
+      "NotAutoFact",
+    };
+
+    // get the section type / shape using the dedicated api query (exception to the database approach)
+    // this specific property isn't available in the database table extraction
+    eFramePropType framePropType = 0;
+    _settingsStore.Current.SapModel.PropFrame.GetTypeOAPI(sectionName, ref framePropType);
+    Dictionary<string, object?> generalProperties = properties.EnsureNested(SectionPropertyCategory.GENERAL_DATA);
+    generalProperties.Add("Section Shape", framePropType.ToString());
+
+    // heuristic property categorization based on key patterns and parse-ability
+    // NOTE: this is gross and quite dangerous 🤨 but beats specific frame prop sect. property extractions imo
+    // order matters here! we check for known string props first, then modifiers, then assume doubles are dimensions
+    foreach (KeyValuePair<string, string> rawDatabaseTableProperty in rawDatabaseTableProperties)
+    {
+      string key = rawDatabaseTableProperty.Key;
+      string value = rawDatabaseTableProperty.Value;
+
+      // skip metadata fields we don't care about
+      if (!keysToExclude.Contains(key))
+      {
+        // material is always a string, grab it first
+        if (key == "Material")
+        {
+          generalProperties.Add(key, value);
+        }
+        // modifier properties end with "Mod" and should be numeric
+        else if (key.EndsWith("Mod") && double.TryParse(value, out double parsedModValue))
+        {
+          Dictionary<string, object?> modificationProperties = properties.EnsureNested(
+            SectionPropertyCategory.MODIFIERS
+          );
+          modificationProperties.Add(key, parsedModValue);
+        }
+        // anything else that parses as a double is assumed to be a section dimension
+        // this covers things like t3, t2, tf, tw, area, etc. without having to enumerate them all
+        else if (double.TryParse(value, out double parsedDimensionValue))
+        {
+          Dictionary<string, object?> sectionDimensions = properties.EnsureNested(
+            SectionPropertyCategory.SECTION_DIMENSIONS
+          );
+          sectionDimensions.Add(key, parsedDimensionValue);
+        }
+        // if it doesn't parse as double and isn't a known string property, we skip it
+        // this is acceptable - we'd rather miss some edge case properties than crash
+      }
    }
  }
 }
@@ -0,0 +1,217 @@
+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;
+  }
+}
@@ -0,0 +1,105 @@
+using Speckle.Converters.Common;
+using Speckle.Converters.CSiShared;
+using Speckle.Converters.CSiShared.ToSpeckle.Helpers;
+
+namespace Speckle.Connectors.ETABSShared.HostApp.Services;
+
+/// <summary>
+/// Loads and caches section property definitions from database tables for both frame and shell sections.
+/// </summary>
+public class EtabsSectionPropertyDefinitionService
+{
+  private readonly IConverterSettingsStore<CsiConversionSettings> _settingsStore;
+  public IReadOnlyDictionary<string, IReadOnlyDictionary<string, string>> FrameDefinitions { get; }
+  public IReadOnlyDictionary<string, IReadOnlyDictionary<string, string>> ShellDefinitions { get; }
+
+  public EtabsSectionPropertyDefinitionService(
+    DatabaseTableExtractor databaseTableExtractor,
+    IConverterSettingsStore<CsiConversionSettings> settingsStore
+  )
+  {
+    _settingsStore = settingsStore;
+
+    var availableTableKeys = GetAvailableTableKeys();
+
+    FrameDefinitions = LoadFrameDefinitions(databaseTableExtractor, availableTableKeys);
+    ShellDefinitions = LoadShellDefinitions(databaseTableExtractor, availableTableKeys);
+  }
+
+  private static IReadOnlyDictionary<string, IReadOnlyDictionary<string, string>> LoadFrameDefinitions(
+    DatabaseTableExtractor databaseTableExtractor,
+    string[] availableTableKeys
+  )
+  {
+    var frameTableKeys = GetFrameSectionPropertyDefinitionTableKeys(availableTableKeys);
+    return LoadDefinitionsFromTables(databaseTableExtractor, frameTableKeys);
+  }
+
+  private static IReadOnlyDictionary<string, IReadOnlyDictionary<string, string>> LoadShellDefinitions(
+    DatabaseTableExtractor databaseTableExtractor,
+    string[] availableTableKeys
+  )
+  {
+    var shellTableKeys = GetShellSectionPropertyDefinitionTableKeys(availableTableKeys);
+    return LoadDefinitionsFromTables(databaseTableExtractor, shellTableKeys);
+  }
+
+  private static IReadOnlyDictionary<string, IReadOnlyDictionary<string, string>> LoadDefinitionsFromTables(
+    DatabaseTableExtractor databaseTableExtractor,
+    IEnumerable<string> tableKeys
+  )
+  {
+    var definitions = new Dictionary<string, IReadOnlyDictionary<string, string>>();
+
+    foreach (string tableKey in tableKeys)
+    {
+      var tableData = databaseTableExtractor.GetTableData(tableKey, "Name");
+      foreach (var row in tableData.Rows)
+      {
+        definitions[row.Key] = row.Value;
+      }
+    }
+
+    return definitions;
+  }
+
+  private static IEnumerable<string> GetFrameSectionPropertyDefinitionTableKeys(string[] availableTableKeys)
+  {
+    var keysToExclude = new HashSet<string>
+    {
+      "Frame Section Property Definitions - Summary",
+      "Frame Section Property Definitions - Concrete Beam Reinforcing",
+      "Frame Section Property Definitions - Concrete Column Reinforcing",
+    };
+
+    return availableTableKeys.Where(key =>
+      key.StartsWith("Frame Section Property Definitions") && !keysToExclude.Contains(key)
+    );
+  }
+
+  private static IEnumerable<string> GetShellSectionPropertyDefinitionTableKeys(string[] availableTableKeys)
+  {
+    var keysToExclude = new HashSet<string> { "Area Section Property Definitions - Summary" };
+
+    return availableTableKeys.Where(key =>
+      key.StartsWith("Area Section Property Definitions") && !keysToExclude.Contains(key)
+    );
+  }
+
+  private string[] GetAvailableTableKeys()
+  {
+    int numberTables = 0;
+    string[] tableKey = [],
+      tableName = [];
+    int[] importType = [];
+
+    _ = _settingsStore.Current.SapModel.DatabaseTables.GetAvailableTables(
+      ref numberTables,
+      ref tableKey,
+      ref tableName,
+      ref importType
+    );
+
+    return tableKey;
+  }
+}
@@ -34,7 +34,7 @@ public class EtabsSectionPropertyExtractor
  /// </summary>
  public Dictionary<string, object?> ExtractFrameSectionProperties(string sectionName)
  {
-    Dictionary<string, object?> properties = new();
+    Dictionary<string, object?> properties = [];
    _csiFrameExtractor.ExtractProperties(sectionName, properties);
    _etabsFrameExtractor.ExtractProperties(sectionName, properties);
    return properties;
@@ -45,7 +45,7 @@ public class EtabsSectionPropertyExtractor
  /// </summary>
  public Dictionary<string, object?> ExtractShellSectionProperties(string sectionName)
  {
-    Dictionary<string, object?> properties = new();
+    Dictionary<string, object?> properties = [];
    _csiShellExtractor.ExtractProperties(sectionName, properties);
    _etabsShellExtractor.ExtractProperties(sectionName, properties);
    return properties;
@@ -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;
+  }
 }
@@ -1,8 +1,10 @@
 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;
 using Speckle.Converters.ETABSShared;

 namespace Speckle.Connectors.ETABSShared;
@@ -12,12 +14,18 @@ public static class ServiceRegistration
  public static IServiceCollection AddEtabs(this IServiceCollection services)
  {
    services.AddEtabsConverters();
+    services.AddScoped<CsiSendCollectionManager, EtabsSendCollectionManager>();
+
+    // 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<EtabsSectionPropertyDefinitionService>();
    services.AddScoped<EtabsSectionPropertyExtractor>();
-    services.AddScoped<EtabsShellSectionResolver>();
-    services.AddScoped<CsiSendCollectionManager, EtabsSendCollectionManager>();
-    services.AddScoped<ISectionUnpacker, EtabsSectionUnpacker>();

    return services;
  }
@@ -9,12 +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" />
@@ -2,33 +2,63 @@
 <Project>
  <PropertyGroup>
    <UseWpf>true</UseWpf>
-
    <Description>NextGen Speckle Connector for Autodesk Navisworks Manage</Description>
    <Authors>$(Authors) jonathon@speckle.systems</Authors>
    <PackageTags>$(PackageTags) connector nwd nwc nwf navisworks manage</PackageTags>

    <PluginBundleTarget>$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Navisworks.bundle</PluginBundleTarget>
-    <PluginVersionContentTarget>$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Navisworks.bundle\Contents\$(NavisworksVersion)</PluginVersionContentTarget>
+    <PluginVersionContentTarget>$(PluginBundleTarget)\Contents\$(NavisworksVersion)</PluginVersionContentTarget>
    <RootNamespace>Speckle.Connector.Navisworks</RootNamespace>
  </PropertyGroup>

-  <!-- Post Builds -->
-  <ItemGroup>
-    <RibbonFiles Include="$(OutDir)Plugin\NavisworksRibbon.*"/>
-    <ResourceFiles Include="$(OutDir)Resources\**\*.png"/>
-    <ResourceFiles Include="$(OutDir)Resources\**\*.ico"/>
-    <AllFiles Include="$(OutDir)*"/>
-  </ItemGroup>
+  <Target Name="PostBuild"
+          AfterTargets="Build"
+          Condition="'$(OS)' == 'Windows_NT' and '$(NavisworksVersion)' != ''">

-
-  <Target Name="PostBuild" AfterTargets="Build" Condition="'$(NavisworksVersion)' != '' And '$(ContinuousIntegrationBuild)' != 'true' And '$(OS)' == 'Windows_NT'">
    <Message Text="Navisworks Version $(NavisworksVersion)" Importance="high"/>
+
    <RemoveDir Directories="$(PluginVersionContentTarget)" Condition="Exists('$(PluginVersionContentTarget)')"/>
-  
-    <Copy SourceFiles="$(OutDir)Plugin\PackageContents.xml" DestinationFolder="$(PluginBundleTarget)\"/>
-    <Copy SourceFiles="@(RibbonFiles)" DestinationFolder="$(PluginVersionContentTarget)\en-US\"/>
-    <Copy SourceFiles="@(ResourceFiles)" DestinationFolder="$(PluginVersionContentTarget)\Resources\"/>
-  
-    <Copy SourceFiles="@(AllFiles)" DestinationFolder="$(PluginVersionContentTarget)\" />
+
+    <MakeDir Directories="
+      $(PluginBundleTarget);
+      $(PluginBundleTarget)\Contents;
+      $(PluginVersionContentTarget);
+      $(PluginVersionContentTarget)\en-US;
+      $(PluginVersionContentTarget)\Resources"/>
+
+    <!-- Re-evaluate outputs at execution time -->
+    <ItemGroup>
+      <PackageXml Include="$(OutDir)Plugin\PackageContents.xml"/>
+      <RibbonFiles Include="$(OutDir)Plugin\NavisworksRibbon.*"/>
+      <ResourceFiles Include="$(OutDir)Resources\**\*.png;$(OutDir)Resources\**\*.ico"/>
+      <AllFiles Include="$(OutDir)**\*.*"/>
+
+      <Message Text="AllFiles count: @(AllFiles->Count())" Importance="high"/>
+      <Warning Condition="'@(AllFiles)' == ''" Text="No files in $(OutDir) at PostBuild time."/>
+
+    </ItemGroup>
+
+    <Copy SourceFiles="@(PackageXml)"
+          DestinationFolder="$(PluginBundleTarget)\"
+          SkipUnchangedFiles="true"/>
+
+    <Copy SourceFiles="@(RibbonFiles)"
+          DestinationFolder="$(PluginVersionContentTarget)\en-US\"
+          SkipUnchangedFiles="true"/>
+
+    <Copy SourceFiles="@(ResourceFiles)"
+          DestinationFiles="@(ResourceFiles->'$(PluginVersionContentTarget)\Resources\%(RecursiveDir)%(Filename)%(Extension)')"
+          SkipUnchangedFiles="true"/>
+
+    <Copy SourceFiles="@(AllFiles)"
+          DestinationFiles="@(AllFiles->'$(PluginVersionContentTarget)\%(RecursiveDir)%(Filename)%(Extension)')"
+          SkipUnchangedFiles="true"/>
+
+    <Message Text="Copied build to $(PluginVersionContentTarget)" Importance="high"/>
+  </Target>
+
+  <Target Name="ValidateNavisworksVersion" BeforeTargets="PostBuild"
+          Condition="'$(NavisworksVersion)' == '' and '$(OS)' == 'Windows_NT'">
+    <Error Text="NavisworksVersion property is required for PostBuild packaging."/>
  </Target>
 </Project>
--- a/Show More
+++ b/Show More