Merge pull request #158 from specklesystems/jrm/curve-fix

Using new installer.py
Fixed some misc issues
2023-04-04 20:22:48 +01:00 · 2023-04-04 20:21:20 +01:00 · 2023-03-28 17:06:40 +01:00 · 2023-03-28 16:47:59 +01:00 · 2023-03-28 16:47:07 +01:00 · 2023-03-21 22:01:46 +00:00
40 changed files with 3435 additions and 2392 deletions
@@ -1,123 +1,307 @@
 version: 2.1

 orbs:
-  python: circleci/python@1.3.2
-  # Using windows for builds
-  win: circleci/windows@2.4.0
-  # Upload artifacts to s3
-  aws-s3: circleci/aws-s3@2.0.0
+  win: circleci/windows@5.0.0

 jobs:
-  build-connector: # Reusable job for basic connectors
+  package-connector:
+    docker:
+      - image: cimg/python:3.11.0
+    steps:
+      - checkout
+      - run:
+          name: Setup SEMVER value
+          command: |
+            SEMVER=$(if [ "${CIRCLE_TAG}" ]; then echo $CIRCLE_TAG; else echo "0.0.0"; fi;)
+            echo $SEMVER > ./SEMVER
+            python3 patch_version.py $SEMVER
+      - run:
+          name: install dependencies
+          command: poetry install --only main
+      - run:
+          name: export package dependencies
+          command: ./export_dependencies.sh
+      - persist_to_workspace:
+          root: ./
+          paths:
+            - bpy_speckle
+            - patch_installer.py
+            - SEMVER
+
+  build-connector-zip:
+    docker:
+      - image: cimg/python:3.11.0
+    steps:
+      - attach_workspace:
+          at: ./
+      - run: &restore_semver
+          name: Restore Semver
+          command: SEMVER=$(cat ./SEMVER) && echo $SEMVER
+      - run:
+          name: Package to Zip
+          command: zip -r bpy_speckle.zip bpy_speckle
+      - persist_to_workspace:
+          root: ./
+          paths:
+            - bpy_speckle.zip
+  
+  get-ci-tools: # Clones our ci tools and persists them to the workspace
+    docker:
+      - image: cimg/base:2021.01
+    steps:
+      - add_ssh_keys:
+          fingerprints:
+            - "77:64:03:93:c5:f3:1d:a6:fd:bd:fb:d1:05:56:ca:e9"
+      - run:
+          name: I know Github as a host
+          command: |
+            mkdir ~/.ssh
+            touch ~/.ssh/known_hosts
+            ssh-keyscan github.com >> ~/.ssh/known_hosts
+      - run:
+          name: Clone
+          command: git clone git@github.com:specklesystems/speckle-sharp-ci-tools.git speckle-sharp-ci-tools
+      - run:
+          command: cd speckle-sharp-ci-tools
+      - persist_to_workspace:
+          root: ./
+          paths:
+            - speckle-sharp-ci-tools
+
+  build-installer-win:
    executor:
-      name: win/default # comes with python 3.7.3
+      name: win/default
      shell: cmd.exe
+    steps:
+      - attach_workspace:
+          at: ./
+      - run:
+          name: Patch installer
+          shell: powershell.exe
+          command: python patch_installer.py (Get-Content -Raw SEMVER)
+      - run:
+          name: Create Innosetup signing cert
+          shell: powershell.exe
+          command: |
+            echo $env:PFX_B64 > "speckle-sharp-ci-tools\SignTool\AEC Systems Ltd.txt"
+            certutil -decode "speckle-sharp-ci-tools\SignTool\AEC Systems Ltd.txt" "speckle-sharp-ci-tools\SignTool\AEC Systems Ltd.pfx"
+      - run:
+          name: Installer
+          shell: cmd.exe #does not work in powershell
+          command: speckle-sharp-ci-tools\InnoSetup\ISCC.exe speckle-sharp-ci-tools\blender.iss /Sbyparam=$p
+      - persist_to_workspace:
+          root: ./
+          paths:
+            - speckle-sharp-ci-tools/Installers/blender/blender-*.exe
+
+  build-installer-mac:
+    macos:
+      xcode: 12.5.1
    parameters:
+      runtime:
+        type: string
      slug:
        type: string
-        default: ""
+      installer_path:
+        type: string
+        default: speckle-sharp-ci-tools/Mac/SpeckleBlenderInstall
    steps:
      - checkout
      - attach_workspace:
          at: ./
      - run:
-          name: upgrade pip and install specklepy
-          command: python -m pip install --upgrade pip & python -m pip install --target=.\modules specklepy
+          name: Install mono
+          command: |
+            HOMEBREW_NO_AUTO_UPDATE=1 brew install mono
+      # Compress build files
      - run:
-          name: Patch
-          shell: powershell.exe
-          command:
-            | # If no tag, use 0.0.0.1 and don't make any YML (for testing only!)
-            $tag = if([string]::IsNullOrEmpty($env:CIRCLE_TAG)) { "0.0.1" } else { $env:CIRCLE_TAG }
-            $semver = $tag.replace("-beta","")
-            $version = "$($semver).$($env:CIRCLE_BUILD_NUM)"
-            $channel = "latest"
-            if($tag -like "*-beta") { $channel = "beta" }
-            # only create the yml if we have a tag
-            New-Item -Force "speckle-sharp-ci-tools/Installers/blender/$channel.yml" -ItemType File -Value "version: $version"
-            echo $version
-            python patch_version.py $version
-            speckle-sharp-ci-tools\InnoSetup\ISCC.exe speckle-sharp-ci-tools\blender.iss
-      - persist_to_workspace:
-          root: ./
-          paths:
-            - speckle-sharp-ci-tools/Installers
-            
-  get-ci-tools: # Clones our ci tools and persists them to the workspace
-    docker:
-      - image: cimg/base:2021.01
-    steps:
-      - run: # Could not get ssh to work, so using a personal token
-          name: Clone
-          command: git clone https://$GITHUB_TOKEN@github.com/specklesystems/speckle-sharp-ci-tools.git speckle-sharp-ci-tools
-      - persist_to_workspace:
-          root: ./
-          paths:
-            - speckle-sharp-ci-tools
-      - persist_to_workspace:
-          root: ./
-          paths:
-            - speckle-sharp-ci-tools
+          name: Install dotnet
+          command: curl -sSL https://dot.net/v1/dotnet-install.sh | bash /dev/stdin
+      - run: *restore_semver
+      - run:
+          name: Copy connector files to installer
+          command: |
+            mkdir -p <<parameters.installer_path >>/.installationFiles/
+            cp bpy_speckle.zip << parameters.installer_path >>/.installationFiles
+      - run:
+          name: Build Mac installer
+          command: ~/.dotnet/dotnet publish << parameters.installer_path >>/SpeckleBlenderInstall.sln -r << parameters.runtime >> -c Release
+      - run:
+          name: Zip installer
+          command: |
+            SEMVER=$(cat ./SEMVER)
+            echo $SEMVER
+            mkdir -p speckle-sharp-ci-tools/Installers/blender
+            (cd <<parameters.installer_path>>/bin/Release/net6.0/<< parameters.runtime >>/publish/ && zip -r - ./) > << parameters.slug >>-${SEMVER}.zip
+            cp << parameters.slug >>-${SEMVER}.zip speckle-sharp-ci-tools/Installers/blender/

-  deploy: # Uploads all installers found to S3
+      - persist_to_workspace:
+          root: ./
+          paths:
+            - speckle-sharp-ci-tools/Installers/blender/<< parameters.slug >>*.zip
+
+  build-installer-manual:
    docker:
      - image: cimg/base:2021.01
+    parameters:
+      slug:
+        type: string
+        default: bpy_speckle
    steps:
      - attach_workspace:
          at: ./
+      - run: *restore_semver
      - run:
-          name: List contents
-          command: ls -R speckle-sharp-ci-tools/Installers
-      - aws-s3/copy:
-          arguments: "--recursive --endpoint=https://$SPACES_REGION.digitaloceanspaces.com --acl public-read"
-          aws-access-key-id: SPACES_KEY
-          aws-region: SPACES_REGION
-          aws-secret-access-key: SPACES_SECRET
-          from: '"speckle-sharp-ci-tools/Installers/"'
-          to: s3://speckle-releases/installers/
+          name: Copy zip with semver
+          command: |
+            SEMVER=$(cat ./SEMVER)
+            mkdir -p speckle-sharp-ci-tools/Installers/blender
+            cp bpy_speckle.zip speckle-sharp-ci-tools/Installers/blender/<< parameters.slug >>-${SEMVER}.zip
+      - persist_to_workspace:
+          root: ./
+          paths:
+            - speckle-sharp-ci-tools/Installers/blender/<< parameters.slug >>*.zip
+
+  deploy-connector:
+    docker:
+      - image: mcr.microsoft.com/dotnet/sdk:6.0
+    parameters:
+      file_slug:
+        type: string
+      os:
+        type: string
+      extension:
+        type: string
+      arch:
+        type: string
+        default: Any
+    steps:
+      - checkout
+      - attach_workspace:
+          at: ./
+      - run:
+          name: Install Manager Feed CLI
+          command: dotnet tool install --global Speckle.Manager.Feed
+      - run: *restore_semver
+      - run:
+          name: Upload new version
+          # this is where the installer gets the semver baked into the file name
+          command: |
+            SEMVER=$(cat ./SEMVER)
+            echo $SEMVER
+            /root/.dotnet/tools/Speckle.Manager.Feed deploy \
+                -s blender \
+                -v ${SEMVER} \
+                -u https://releases.speckle.dev/installers/blender/<< parameters.file_slug >>-${SEMVER}.<< parameters.extension >> \
+                -o << parameters.os >> \
+                -a << parameters.arch >> \
+                -f speckle-sharp-ci-tools/Installers/blender/<< parameters.file_slug >>-${SEMVER}.<< parameters.extension >>

 workflows:
-  build:
+  build: # build the installers, but don't persist to workspace for deployment
    jobs:
-      - get-ci-tools:
-          filters:
-            branches:
-              only:
-                - main
-                - /ci\/.*/
+      - package-connector:
+          filters: &build_filters
+            tags:
+              only: /([0-9]+)\.([0-9]+)\.([0-9]+)(?:-\w+)?(?:\.[0-9]+)?/
+      
+      - build-connector-zip:
+          requires:
+            - package-connector
+          filters: *build_filters

-      - build-connector:
-          slug: blender
-          requires:
-            - get-ci-tools
-          filters:
-            branches:
-              only:
-                - main
-                - /ci\/.*/
-  deploy:
-    jobs:
      - get-ci-tools:
-          filters:
-            tags:
-              only: /[0-9]+(\.[0-9]+)*/
+          filters: *build_filters
+
+      - build-installer-win:
+          context: innosetup
+          name: Windows Installer Build
+          requires:
+            - package-connector
+            - get-ci-tools
+          filters: *build_filters
+
+      - deploy-connector:
+          context: do-spaces-speckle-releases
+          name: deploy-windows
+          file_slug: blender
+          os: WIN
+          arch: Any
+          extension: exe
+          requires:
+            - Manual Installer Build
+            - Windows Installer Build
+            - Mac Intel Build
+            - Mac ARM Build
+          filters: &deploy_filters
            branches:
-              ignore: /.*/ # For testing only! /ci\/.*/
-      - build-connector:
-          slug: blender
+              ignore: /.*/
+            tags:
+              only: /([0-9]+)\.([0-9]+)\.([0-9]+)(?:-\w+)?(?:\.[0-9]+)?/
+
+      - build-installer-mac:
+          name: Mac ARM Build
+          slug: blender-mac-arm
+          runtime: osx-arm64
          requires:
            - get-ci-tools
-          filters:
-            tags:
-              only: /[0-9]+(\.[0-9]+)*/
-            branches:
-              ignore: /.*/ # For testing only! /ci\/.*/
-      - deploy:
+            - build-connector-zip
+          filters: *build_filters
+
+      - deploy-connector:
+          context: do-spaces-speckle-releases
+          name: deploy-mac-arm
+          file_slug: blender-mac-arm
+          os: OSX
+          arch: Arm
+          extension: zip
+          requires:
+            - Manual Installer Build
+            - Windows Installer Build
+            - Mac Intel Build
+            - Mac ARM Build
+          filters: *deploy_filters
+
+      - build-installer-mac:
+          name: Mac Intel Build
+          slug: blender-mac-intel
+          runtime: osx-x64
          requires:
            - get-ci-tools
-            - build-connector
-          filters:
-            tags:
-              only: /[0-9]+(\.[0-9]+)*/
-            branches:
-              ignore: /.*/ # For testing only! /ci\/.*/
+            - build-connector-zip
+          filters: *build_filters
+
+      - deploy-connector:
+          context: do-spaces-speckle-releases
+          name: deploy-mac-intel
+          file_slug: blender-mac-intel
+          os: OSX
+          arch: Intel
+          extension: zip
+          requires:
+            - Manual Installer Build
+            - Windows Installer Build
+            - Mac Intel Build
+            - Mac ARM Build
+          filters: *deploy_filters
+
+      - build-installer-manual:
+          name: Manual Installer Build
+          requires:
+            - get-ci-tools
+            - build-connector-zip
+          filters: *build_filters
+
+      - deploy-connector:
+          context: do-spaces-speckle-releases
+          name: deploy-manual
+          file_slug: bpy_speckle
+          os: Any
+          arch: Any
+          extension: zip
+          requires:
+            - Manual Installer Build
+            - Windows Installer Build
+            - Mac Intel Build
+            - Mac ARM Build
+          filters: *deploy_filters
@@ -6,73 +6,7 @@ on:

 jobs:
  update_issue:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Get project data
-        env:
-          GITHUB_TOKEN: ${{secrets.GHPROJECT_TOKEN}}
-          ORGANIZATION: specklesystems
-          PROJECT_NUMBER: 9
-        run: |
-          gh api graphql --header 'GraphQL-Features: projects_next_graphql' -f query='
-            query($org: String!, $number: Int!) {
-              organization(login: $org){
-                projectNext(number: $number) {
-                  id
-                  fields(first:20) {
-                    nodes {
-                      id
-                      name
-                      settings
-                    }
-                  }
-                }
-              }
-            }' -f org=$ORGANIZATION -F number=$PROJECT_NUMBER > project_data.json
-
-          echo 'PROJECT_ID='$(jq '.data.organization.projectNext.id' project_data.json) >> $GITHUB_ENV
-          echo 'STATUS_FIELD_ID='$(jq '.data.organization.projectNext.fields.nodes[] | select(.name== "Status") | .id' project_data.json) >> $GITHUB_ENV
-          
-          echo "$PROJECT_ID"
-          echo "$STATUS_FIELD_ID"
-          
-          echo 'DONE_ID='$(jq '.data.organization.projectNext.fields.nodes[] | select(.name== "Status") | .settings | fromjson | .options[] | select(.name== "Done") | .id' project_data.json) >> $GITHUB_ENV
-          echo "$DONE_ID"
-
-      - name: Add Issue to project #it's already in the project, but we do this to get its node id!
-        env:
-          GITHUB_TOKEN: ${{secrets.GHPROJECT_TOKEN}}
-          ISSUE_ID: ${{ github.event.issue.node_id }}
-        run: |
-          item_id="$( gh api graphql --header 'GraphQL-Features: projects_next_graphql' -f query='
-            mutation($project:ID!, $id:ID!) {
-              addProjectNextItem(input: {projectId: $project, contentId: $id}) {
-                projectNextItem {
-                  id
-                }
-              }
-            }' -f project=$PROJECT_ID -f id=$ISSUE_ID --jq '.data.addProjectNextItem.projectNextItem.id')"
-          
-          echo 'ITEM_ID='$item_id >> $GITHUB_ENV
-          
-      - name: Update Status
-        env:
-          GITHUB_TOKEN: ${{secrets.GHPROJECT_TOKEN}}
-          ISSUE_ID: ${{ github.event.issue.node_id }}
-        run: |
-          gh api graphql --header 'GraphQL-Features: projects_next_graphql' -f query='
-            mutation($project:ID!, $status:ID!, $id:ID!, $value:String!) {
-              set_status: updateProjectNextItemField(
-                input: {
-                  projectId: $project
-                  itemId: $id
-                  fieldId: $status
-                  value: $value
-                }
-              ) {
-                projectNextItem {
-                  id
-                }
-              }
-            }' -f project=$PROJECT_ID -f status=$STATUS_FIELD_ID -f id=$ITEM_ID -f value=${{ env.DONE_ID }}
-          
+    uses: specklesystems/github-actions/.github/workflows/project-add-issue.yml@main
+    secrets: inherit
+    with:
+      issue-id: ${{ github.event.issue.node_id }}
@@ -6,45 +6,7 @@ on:

 jobs:
  track_issue:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Get project data
-        env:
-          GITHUB_TOKEN: ${{secrets.GHPROJECT_TOKEN}}
-          ORGANIZATION: specklesystems
-          PROJECT_NUMBER: 9
-        run: |
-          gh api graphql --header 'GraphQL-Features: projects_next_graphql' -f query='
-            query($org: String!, $number: Int!) {
-              organization(login: $org){
-                projectNext(number: $number) {
-                  id
-                  fields(first:20) {
-                    nodes {
-                      id
-                      name
-                      settings
-                    }
-                  }
-                }
-              }
-            }' -f org=$ORGANIZATION -F number=$PROJECT_NUMBER > project_data.json
-
-          echo 'PROJECT_ID='$(jq '.data.organization.projectNext.id' project_data.json) >> $GITHUB_ENV
-          echo 'STATUS_FIELD_ID='$(jq '.data.organization.projectNext.fields.nodes[] | select(.name== "Status") | .id' project_data.json) >> $GITHUB_ENV
-     
-      - name: Add Issue to project
-        env:
-          GITHUB_TOKEN: ${{secrets.GHPROJECT_TOKEN}}
-          ISSUE_ID: ${{ github.event.issue.node_id }}
-        run: |
-          item_id="$( gh api graphql --header 'GraphQL-Features: projects_next_graphql' -f query='
-            mutation($project:ID!, $id:ID!) {
-              addProjectNextItem(input: {projectId: $project, contentId: $id}) {
-                projectNextItem {
-                  id
-                }
-              }
-            }' -f project=$PROJECT_ID -f id=$ISSUE_ID --jq '.data.addProjectNextItem.projectNextItem.id')"
-          
-          echo 'ITEM_ID='$item_id >> $GITHUB_ENV
+    uses: specklesystems/github-actions/.github/workflows/project-add-issue.yml@main
+    secrets: inherit
+    with:
+      issue-id: ${{ github.event.issue.node_id }}
@@ -5,8 +5,12 @@ __pycache__/

 # editor
 .vscode
+.idea

 # dev
 .venv
 Installers/
-modules/
+modules/
+.tool-versions
+requirements.txt
+SEMVER
@@ -3,7 +3,7 @@
  Speckle | Blender
 </h1>
 <h3 align="center">
-    Connector for Blender 2.92 & 2.93
+    Connector for Blender
 </h3>
 <p align="center"><b>Speckle</b> is the data infrastructure for the AEC industry.</p><br/>

@@ -91,4 +91,4 @@ The Speckle Community hangs out on [the forum](https://discourse.speckle.works),
 Unless otherwise described, the code in this repository is licensed under the Apache-2.0 License. Please note that some modules, extensions or code herein might be otherwise licensed. This is indicated either in the root of the containing folder under a different license file, or in the respective file's header. If you have any questions, don't hesitate to get in touch with us via [email](mailto:hello@speckle.systems).

 ## Notes
-SpeckleBlender is written and maintained by [Tom Svilans](http://tomsvilans.com) ([Github](https://github.com/tsvilans)).
+Thanks to [Tom Svilans](http://tomsvilans.com) ([Github](https://github.com/tsvilans)) for the original v1 contribution!
@@ -1,25 +1,15 @@
-# MIT License
+import bpy
+from bpy_speckle.installer import ensure_dependencies

-# Copyright (c) 2018-2021 Tom Svilans
+ensure_dependencies(f"Blender {bpy.app.version[0]}.{bpy.app.version[1]}")

-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
-
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-# SOFTWARE.
+from specklepy.logging import metrics

+from bpy_speckle.ui import *
+from bpy_speckle.properties import *
+from bpy_speckle.operators import *
+from bpy_speckle.callbacks import *
+from bpy.app.handlers import persistent

 bl_info = {
    "name": "SpeckleBlender 2.0",
@@ -33,45 +23,26 @@ bl_info = {
    "category": "Scene",
 }

-import bpy

-"""
-Import PySpeckle and attempt install if not found
-"""
-
-try:
-    import specklepy
-except ModuleNotFoundError as error:
-    print("Speckle not found.")
-    # TODO: Implement automatic installation of speckle and dependencies
-    # to the local Blender module folder
-
-    # from .install_dependencies import install_dependencies
-    # install_dependencies()

 """
 Import SpeckleBlender classes
 """

-from specklepy.api.client import SpeckleClient  # , SpeckleCache
-from specklepy.logging import metrics
-
-from bpy_speckle.ui import *
-from bpy_speckle.properties import *
-from bpy_speckle.operators import *
-from bpy_speckle.callbacks import *
-from bpy.app.handlers import persistent
-
 """
 Add load handler to initialize Speckle when 
 loading a Blender file
 """

-
@persistent
 def load_handler(dummy):
-    bpy.ops.speckle.users_load()
-
+    pass
+    # Calling users_load is an expensive operation, one that force users to wait a good 10s every time blender loads.
+    # Until we can do this non-blocking, we will make the user hit the refresh button each time.
+    #bpy.ops.speckle.users_load()
+    
+    # Instead, we shall just reset the user selection to an uninitiailised state
+    bpy.ops.speckle.users_reset()

 """
 Permanent handle on callbacks
@@ -95,7 +66,7 @@ def register():
    for cls in speckle_classes:
        register_class(cls)

-    metrics.set_host_app("Blender")
+    metrics.set_host_app("blender", f"blender {bpy.app.version_string}")

    """
    Register all new properties
@@ -11,4 +11,3 @@ def scb_on_mesh_edit(context):
    edit_obj = bpy.context.edit_object
    if edit_obj is not None and edit_obj.is_updated_data is True:
        print("Mesh edited: {}".format(edit_obj))
-    # print('>>> Update')
@@ -1,4 +1,7 @@
 """
 Permanent handle on all user clients
 """
-speckle_clients = []
+from specklepy.api.client import SpeckleClient
+
+
+speckle_clients: list[SpeckleClient] = []
@@ -1,241 +1,16 @@
-import bpy, idprop
-from mathutils import Matrix
-
-from .from_speckle import *
-from .to_speckle import *
-from .util import *
-from bpy_speckle.functions import _report, get_scale_length
-
-from specklepy.objects.geometry import *
-from specklepy.objects.other import RenderMaterial
-
-
-FROM_SPECKLE_SCHEMAS = {
-    Mesh: import_mesh,
-    Brep: import_brep,
-    Curve: import_curve,
-    Line: import_curve,
-    Polyline: import_curve,
-    Polycurve: import_curve,
-    Arc: import_curve,
-}
-
-
-TO_SPECKLE = {
-    "MESH": export_mesh,
-    "CURVE": export_curve,
-    "EMPTY": export_empty,
-}
-
-
-def set_transform(speckle_object, blender_object):
-    transform = None
-    if hasattr(speckle_object, "transform"):
-        transform = speckle_object.transform
-    elif (
-        hasattr(speckle_object, "properties") and speckle_object.properties is not None
-    ):
-        transform = speckle_object.properties.get("transform", None)
-
-    if transform and len(transform) == 16:
-        mat = Matrix(
-            [transform[0:4], transform[4:8], transform[8:12], transform[12:16]]
-        )
-        blender_object.matrix_world = mat
-
-
-def add_blender_material(smesh, blender_object) -> None:
-    """Add material to a blender object if the corresponding speckle object has a render material"""
-    if blender_object.data is None:
-        return
-
-    if not hasattr(smesh, "renderMaterial") and not hasattr(smesh, "@renderMaterial"):
-        return
-
-    speckle_mat = getattr(smesh, "renderMaterial", None) or smesh["@renderMaterial"]
-    mat_name = getattr(speckle_mat, "name", None) or speckle_mat.__dict__.get("@name")
-    if not mat_name:
-        mat_name = speckle_mat.applicationId or speckle_mat.id or speckle_mat.get_id()
-    blender_mat = bpy.data.materials.get(mat_name)
-    if not blender_mat:
-        blender_mat = bpy.data.materials.new(mat_name)
-
-        # for now, we're not updating these materials. as per tom's suggestion, we should have a toggle
-        # that enables this as the blender mats will prob be much more complex than whatever is coming in
-        blender_mat.use_nodes = True
-        inputs = blender_mat.node_tree.nodes["Principled BSDF"].inputs
-
-        inputs["Base Color"].default_value = to_rgba(speckle_mat.diffuse)
-        inputs["Emission"].default_value = to_rgba(speckle_mat.emissive)
-        inputs["Roughness"].default_value = speckle_mat.roughness
-        inputs["Metallic"].default_value = speckle_mat.metalness
-        inputs["Alpha"].default_value = speckle_mat.opacity
-
-    if speckle_mat.opacity < 1:
-        blender_mat.blend_method = "BLEND"
-
-    blender_object.data.materials.append(blender_mat)
-
-
-def material_to_speckle(blender_object) -> RenderMaterial:
-    """Create and return a render material from a blender object"""
-    if not getattr(blender_object.data, "materials", None):
-        return
-
-    blender_mat = blender_object.data.materials[0]
-    speckle_mat = RenderMaterial()
-    speckle_mat.name = blender_mat.name
-
-    if blender_mat.use_nodes is True:
-        inputs = blender_mat.node_tree.nodes["Principled BSDF"].inputs
-        speckle_mat.diffuse = to_argb_int(inputs["Base Color"].default_value)
-        speckle_mat.emissive = to_argb_int(inputs["Emission"].default_value)
-        speckle_mat.roughness = inputs["Roughness"].default_value
-        speckle_mat.metalness = inputs["Metallic"].default_value
-        speckle_mat.opacity = inputs["Alpha"].default_value
-
-    else:
-        speckle_mat.diffuse = to_argb_int(blender_mat.diffuse_color)
-        speckle_mat.metalness = blender_mat.metallic
-        speckle_mat.roughness = blender_mat.roughness
-
-    return speckle_mat
-
-
-def try_add_property(speckle_object, blender_object, prop, prop_name):
-    if prop in speckle_object.keys() and speckle_object[prop] is not None:
-        blender_object[prop_name] = speckle_object[prop]
-
-
-# def add_dictionary(prop, blender_object, superkey=None):
-#     for key in prop.keys():
-#         key_name = "{}.{}".format(superkey, key) if superkey else "{}".format(key)
-#         if isinstance(prop[key], dict):
-#             subtype = prop[key].get("type", None)
-#             if subtype and subtype in FROM_SPECKLE.keys():
-#                 continue
-#             else:
-#                 add_dictionary(prop[key], blender_object, key_name)
-#         elif hasattr(prop[key], "type"):
-#             subtype = prop[key].type
-#             if subtype and subtype in FROM_SPECKLE.keys():
-#                 continue
-#         else:
-#             try:
-#                 blender_object[key_name] = prop[key]
-#             except KeyError:
-#                 pass
-
-
-def add_custom_properties(speckle_object, blender_object):
-
-    if blender_object is None:
-        return
-
-    blender_object["_speckle_type"] = type(speckle_object).__name__
-    # blender_object['_speckle_name'] = "SpeckleObject"
-
-    ignore = ["_chunkable", "_units", "units"]
-
-    if hasattr(speckle_object, "applicationId"):
-        blender_object["applicationId"] = speckle_object.applicationId
-
-    for key in speckle_object.get_dynamic_member_names():
-        if key in ignore:
-            continue
-        if isinstance(speckle_object[key], (int, str, float, dict)):
-            blender_object[key] = speckle_object[key]
-
-
-def dict_to_speckle_object(data):
-    if "type" in data.keys() and data["type"] in SCHEMAS.keys():
-        obj = SCHEMAS[data["type"]].parse_obj(data)
-        for key in obj.properties.keys():
-            if isinstance(obj.properties[key], dict):
-                obj.properties[key] = dict_to_speckle_object(obj.properties[key])
-            elif isinstance(obj.properties[key], list):
-                for i in range(len(obj.properties[key])):
-                    if isinstance(obj.properties[key][i], dict):
-                        obj.properties[key][i] = dict_to_speckle_object(
-                            obj.properties[key][i]
-                        )
-        return obj
-    else:
-        for key in data.keys():
-            if isinstance(data[key], dict):
-                data[key] = dict_to_speckle_object(data[key])
-            elif isinstance(data[key], list):
-                for i in range(len(data[key])):
-                    if isinstance(data[key][i], dict):
-                        data[key][i] = dict_to_speckle_object(data[key][i])
-        return data
-
-
-def from_speckle_object(speckle_object, scale, name=None):
-    speckle_name = (
-        name
-        or getattr(speckle_object, "name", None)
-        or speckle_object.speckle_type + f" -- {speckle_object.id}"
-    )
-
-    units = getattr(speckle_object, "units", None)
-    if units:
-        scale = get_scale_length(units) / bpy.context.scene.unit_settings.scale_length
-
-    # try native conversion
-    if type(speckle_object) in FROM_SPECKLE_SCHEMAS.keys():
-        print("Got object type: {}".format(type(speckle_object)))
-
-        try:
-            obdata = FROM_SPECKLE_SCHEMAS[type(speckle_object)](
-                speckle_object, scale, speckle_name
-            )
-        except Exception as e:  # conversion error
-            _report(f"Error converting {speckle_object} \n{e}")
-            return None
-
-        if speckle_name in bpy.data.objects.keys():
-            blender_object = bpy.data.objects[speckle_name]
-            blender_object.data = obdata
-            blender_object.matrix_world = Matrix()
-            if hasattr(obdata, "materials"):
-                blender_object.data.materials.clear()
-        else:
-            blender_object = bpy.data.objects.new(speckle_name, obdata)
-
-        blender_object.speckle.object_id = str(speckle_object.id)
-        blender_object.speckle.enabled = True
-
-        add_custom_properties(speckle_object, blender_object)
-        add_blender_material(speckle_object, blender_object)
-        # TODO: chat with tom re transforms
-        # set_transform(speckle_object, blender_object)
-
-        return blender_object
-
-    # try display mesh
-    mesh = getattr(
-        speckle_object, "displayMesh", getattr(speckle_object, "displayValue", None)
-    )
-    if mesh:
-        return from_speckle_object(mesh, scale, speckle_name)
-
-    # return none if fail
-    _report("Invalid input: {}".format(speckle_object))
-    return None
-
-
-def get_speckle_subobjects(attr, scale, name):
+from typing import Union
+from bpy_speckle.convert.to_native import convert_to_native
+from specklepy.objects.base import Base

+def get_speckle_subobjects(attr: Union[dict, Base], scale: float, name: str) -> list:
    subobjects = []
-    for key in attr.keys():
+    keys = attr.keys() if isinstance(attr, dict) else attr.get_dynamic_member_names()
+    for key in keys:
        if isinstance(attr[key], dict):
            subtype = attr[key].get("type", None)
            if subtype:
-                name = "{}.{}".format(name, key)
-                # print("{} :: {}".format(name, subtype))
-                subobject = from_speckle_object(attr[key], scale, name)
-                add_custom_properties(attr[key], subobject)
+                name = f"{name}.{key}"
+                subobject = convert_to_native(attr[key], name)

                subobjects.append(subobject)
                props = attr[key].get("properties", None)
@@ -245,69 +20,10 @@ def get_speckle_subobjects(attr, scale, name):
            subtype = attr[key].type
            if subtype:
                name = "{}.{}".format(name, key)
-                # print("{} :: {}".format(name, subtype))
-                subobject = from_speckle_object(attr[key], scale, name)
-                add_custom_properties(attr[key], subobject)
+                subobject = convert_to_native(attr[key], name)

                subobjects.append(subobject)
                props = attr[key].get("properties", None)
                if props:
                    subobjects.extend(get_speckle_subobjects(props, scale, name))
    return subobjects
-
-
-ignored_keys = [
-    "speckle",
-    "_speckle_type",
-    "_speckle_name",
-    "_speckle_transform",
-    "_RNA_UI",
-    "transform",
-    "_units",
-    "_chunkable",
-]
-
-
-def get_blender_custom_properties(obj, max_depth=1000):
-    global ignored_keys
-
-    if max_depth < 0:
-        return obj
-
-    if hasattr(obj, "keys"):
-        return {
-            key: get_blender_custom_properties(obj[key], max_depth - 1)
-            for key in obj.keys()
-            if key not in ignored_keys and not key.startswith("_")
-        }
-
-    elif isinstance(obj, (list, tuple, idprop.types.IDPropertyArray)):
-        return [get_blender_custom_properties(o, max_depth - 1) for o in obj]
-    else:
-        return obj
-
-
-def to_speckle_object(blender_object, scale, desgraph=None):
-    blender_type = blender_object.type
-    speckle_objects = []
-    speckle_material = material_to_speckle(blender_object)
-
-    if blender_type in TO_SPECKLE.keys():
-        if desgraph:
-            blender_object = blender_object.evaluated_get(desgraph)
-        converted = TO_SPECKLE[blender_type](blender_object, blender_object.data, scale)
-        if isinstance(converted, list):
-            speckle_objects.extend([c for c in converted if c != None])
-
-    for so in speckle_objects:
-        so.properties = get_blender_custom_properties(blender_object)
-        so.applicationId = so.properties.pop("applicationId", None)
-
-        if speckle_material:
-            so["renderMaterial"] = speckle_material
-
-        # Set object transform
-        so.properties["transform"] = [y for x in blender_object.matrix_world for y in x]
-
-    # _report(speckle_objects)
-    return speckle_objects
@@ -1,3 +0,0 @@
-from .mesh import import_mesh
-from .curve import import_curve
-from .brep import import_brep
@@ -1,24 +0,0 @@
-import bpy
-from .mesh import to_bmesh
-from bpy_speckle.util import find_key_case_insensitive
-
-
-def import_brep(speckle_brep, scale, name=None):
-    if not name:
-        name = speckle_brep.geometryHash or speckle_brep.id
-
-    display = getattr(
-        speckle_brep, "displayMesh", getattr(speckle_brep, "displayValue", None)
-    )
-    if display:
-        if name in bpy.data.meshes.keys():
-            mesh = bpy.data.meshes[name]
-        else:
-            mesh = bpy.data.meshes.new(name=name)
-
-        to_bmesh(display, mesh, name, scale)
-        # add_custom_properties(speckle_brep[dvKey], mesh)
-    else:
-        mesh = None
-
-    return mesh
@@ -1,237 +0,0 @@
-import bpy, math
-from bpy_speckle.util import find_key_case_insensitive
-import mathutils
-from specklepy.objects.geometry import *
-
-CONVERT = {}
-
-
-def import_line(scurve, bcurve, scale):
-    line = bcurve.splines.new("POLY")
-    line.points.add(1)
-
-    line.points[0].co = (
-        float(scurve.start.x) * scale,
-        float(scurve.start.y) * scale,
-        float(scurve.start.z) * scale,
-        1,
-    )
-
-    if scurve.end:
-
-        line.points[1].co = (
-            float(scurve.end.x) * scale,
-            float(scurve.end.y) * scale,
-            float(scurve.end.z) * scale,
-            1,
-        )
-
-        return line
-
-
-CONVERT[Line] = import_line
-
-
-def import_polyline(scurve, bcurve, scale):
-
-    # value = find_key_case_insensitive(scurve, "value")
-    value = scurve.value
-
-    if value:
-        N = int(len(value) / 3)
-
-        polyline = bcurve.splines.new("POLY")
-
-        if hasattr(scurve, "closed"):
-            polyline.use_cyclic_u = scurve.closed
-
-        # if "closed" in scurve.keys():
-        #    polyline.use_cyclic_u = scurve["closed"]
-
-        polyline.points.add(N - 1)
-        for i in range(N):
-            polyline.points[i].co = (
-                float(value[i * 3]) * scale,
-                float(value[i * 3 + 1]) * scale,
-                float(value[i * 3 + 2]) * scale,
-                1,
-            )
-
-        return polyline
-
-
-CONVERT[Polyline] = import_polyline
-
-
-def import_nurbs_curve(scurve, bcurve, scale):
-
-    # points = find_key_case_insensitive(scurve, "points")
-    points = scurve.points
-
-    if points:
-        N = int(len(points) / 3)
-
-        nurbs = bcurve.splines.new("NURBS")
-
-        if hasattr(scurve, "closed"):
-            nurbs.use_cyclic_u = scurve.closed != 0
-
-        nurbs.points.add(N - 1)
-        for i in range(N):
-            nurbs.points[i].co = (
-                float(points[i * 3]) * scale,
-                float(points[i * 3 + 1]) * scale,
-                float(points[i * 3 + 2]) * scale,
-                1,
-            )
-
-        if len(scurve.weights) == len(nurbs.points):
-            for i, w in enumerate(scurve.weights):
-                nurbs.points[i].weight = w
-
-        # TODO: anaylize curve knots to decide if use_endpoint_u or use_bezier_u should be enabled
-        # nurbs.use_endpoint_u = True
-        nurbs.order_u = scurve.degree + 1
-
-        return nurbs
-
-
-CONVERT[Curve] = import_nurbs_curve
-
-
-def import_arc(rcurve, bcurve, scale):
-    """
-    Convert Arc object
-    TODO: improve Blender representation of arc
-    """
-    plane = rcurve.plane
-    if not plane:
-        return
-
-    origin = plane.origin
-    normal = mathutils.Vector([plane.normal.x, plane.normal.y, plane.normal.z])
-
-    xaxis = plane.xdir
-    yaxis = plane.ydir
-
-    radius = rcurve.radius * scale
-    startAngle = rcurve.startAngle
-    endAngle = rcurve.endAngle
-
-    startQuat = mathutils.Quaternion(normal, startAngle)
-    endQuat = mathutils.Quaternion(normal, endAngle)
-
-    """
-    Get start and end vectors, centre point, angles, etc.
-    """
-
-    r1 = mathutils.Vector([plane.xdir.x, plane.xdir.y, plane.xdir.z])
-    r1.rotate(startQuat)
-
-    r2 = mathutils.Vector([plane.xdir.x, plane.xdir.y, plane.xdir.z])
-    r2.rotate(endQuat)
-
-    c = mathutils.Vector([plane.origin.x, plane.origin.y, plane.origin.z]) * scale
-
-    spt = c + r1 * radius
-    ept = c + r2 * radius
-
-    angle = endAngle - startAngle
-
-    t1 = normal.cross(r1)
-
-    """
-    Initialize arc data and calculate subdivisions
-    """
-    arc = bcurve.splines.new("NURBS")
-
-    arc.use_cyclic_u = False
-
-    Ndiv = max(int(math.floor(angle / 0.3)), 2)
-    step = angle / float(Ndiv)
-    stepQuat = mathutils.Quaternion(normal, step)
-    tan = math.tan(step / 2) * radius
-
-    arc.points.add(Ndiv + 1)
-
-    """
-    Set start and end points
-    """
-    arc.points[0].co = (spt.x, spt.y, spt.z, 1)
-    arc.points[Ndiv + 1].co = (ept.x, ept.y, ept.z, 1)
-
-    """
-    Set intermediate points
-    """
-    for i in range(Ndiv):
-        t1 = normal.cross(r1)
-        pt = c + r1 * radius + t1 * tan
-        arc.points[i + 1].co = (pt.x, pt.y, pt.z, 1)
-        r1.rotate(stepQuat)
-
-    """
-    Set curve settings
-    """
-
-    arc.use_endpoint_u = True
-    arc.order_u = 3
-
-    return arc
-
-
-CONVERT[Arc] = import_arc
-
-
-def import_null(speckle_object, bcurve, scale):
-    """
-    Handle unsupported types
-    """
-    print("Failed to convert type", speckle_object["type"])
-    return None
-
-
-def import_polycurve(scurve, bcurve, scale):
-    """
-    Convert Polycurve object
-    """
-    segments = scurve.segments
-
-    curves = []
-
-    for seg in segments:
-        speckle_type = type(seg)
-
-        if speckle_type in CONVERT.keys():
-            # segcurve = SCHEMAS[speckle_type].parse_obj(seg)
-            curves.append(CONVERT[speckle_type](seg, bcurve, scale))
-        else:
-            print("Unsupported curve type: {}".format(speckle_type))
-
-    return curves
-
-
-CONVERT[Polycurve] = import_polycurve
-
-
-def import_curve(speckle_curve, scale, name=None):
-    """
-    Convert Curve object
-    """
-    if not name:
-        name = speckle_curve.geometryHash or speckle_curve.id or "SpeckleCurve"
-
-    if name in bpy.data.curves.keys():
-        curve_data = bpy.data.curves[name]
-    else:
-        curve_data = bpy.data.curves.new(name, type="CURVE")
-
-    curve_data.dimensions = "3D"
-    curve_data.resolution_u = 12
-
-    if type(speckle_curve) not in CONVERT.keys():
-        print("Unsupported curve type: {}".format(speckle_curve.type))
-        return None
-
-    CONVERT[type(speckle_curve)](speckle_curve, curve_data, scale)
-
-    return curve_data
@@ -1,167 +0,0 @@
-import bpy, bmesh, struct
-import base64
-from bpy_speckle.functions import _report
-
-
-def add_vertices(smesh, bmesh, scale=1.0):
-    sverts = smesh.vertices
-
-    if sverts and len(sverts) > 0:
-        for i in range(0, len(sverts), 3):
-            bmesh.verts.new(
-                (
-                    float(sverts[i]) * scale,
-                    float(sverts[i + 1]) * scale,
-                    float(sverts[i + 2]) * scale,
-                )
-            )
-
-    bmesh.verts.ensure_lookup_table()
-
-
-def add_faces(smesh, bmesh, smooth=False):
-    sfaces = smesh.faces
-
-    if sfaces and len(sfaces) > 0:
-        i = 0
-        # TODO: why does `faces.new()` seem to fail so often?
-        while i < len(sfaces):
-            if sfaces[i] == 0:
-                i += 1
-                try:
-                    f = bmesh.faces.new(
-                        (
-                            bmesh.verts[int(sfaces[i])],
-                            bmesh.verts[int(sfaces[i + 1])],
-                            bmesh.verts[int(sfaces[i + 2])],
-                        )
-                    )
-                    f.smooth = smooth
-                except Exception as e:
-                    _report(f"Failed to create face for mesh {smesh.id} \n{e}")
-                i += 3
-            elif sfaces[i] == 1:
-                i += 1
-                try:
-                    f = bmesh.faces.new(
-                        (
-                            bmesh.verts[int(sfaces[i])],
-                            bmesh.verts[int(sfaces[i + 1])],
-                            bmesh.verts[int(sfaces[i + 2])],
-                            bmesh.verts[int(sfaces[i + 3])],
-                        )
-                    )
-                    f.smooth = smooth
-                except Exception as e:
-                    _report(f"Failed to create face for mesh {smesh.id} \n{e}")
-                i += 4
-            else:
-                print("Invalid face length.\n" + str(sfaces[i]))
-                break
-
-        bmesh.faces.ensure_lookup_table()
-        bmesh.verts.index_update()
-
-
-def add_colors(smesh, bmesh):
-
-    scolors = smesh.colors
-
-    if scolors:
-        colors = []
-        if len(scolors) > 0:
-
-            for i in range(len(scolors)):
-                col = int(scolors[i])
-                (a, r, g, b) = [
-                    int(x) for x in struct.unpack("!BBBB", struct.pack("!i", col))
-                ]
-                colors.append(
-                    (
-                        float(r) / 255.0,
-                        float(g) / 255.0,
-                        float(b) / 255.0,
-                        float(a) / 255.0,
-                    )
-                )
-
-        # Make vertex colors
-        if len(scolors) == len(bmesh.verts):
-            color_layer = bmesh.loops.layers.color.new("Col")
-
-            for face in bmesh.faces:
-                for loop in face.loops:
-                    loop[color_layer] = colors[loop.vert.index]
-
-
-def add_uv_coords(smesh, bmesh):
-    if not hasattr(smesh, "properties"):
-        return
-
-    sprops = smesh.properties
-    if sprops:
-        texKey = ""
-        if "texture_coordinates" in sprops.keys():
-            texKey = "texture_coordinates"
-        elif "TextureCoordinates" in sprops.keys():
-            texKey = "TextureCoordinates"
-
-        if texKey != "":
-
-            try:
-                decoded = base64.b64decode(sprops[texKey]).decode("utf-8")
-                s_uvs = decoded.split()
-                uv = []
-
-                if int(len(s_uvs) / 2) == len(bmesh.verts):
-                    for i in range(0, len(s_uvs), 2):
-                        uv.append((float(s_uvs[i]), float(s_uvs[i + 1])))
-                else:
-                    print(len(s_uvs) * 2)
-                    print(len(bmesh.verts))
-                    print("Failed to match UV coordinates to vert data.")
-
-                # Make UVs
-                uv_layer = bmesh.loops.layers.uv.verify()
-
-                for f in bmesh.faces:
-                    for l in f.loops:
-                        luv = l[uv_layer]
-                        luv.uv = uv[l.vert.index]
-            except:
-                print("Failed to decode texture coordinates.")
-                raise
-
-            del smesh.properties[texKey]
-
-
-def to_bmesh(speckle_mesh, blender_mesh, name="SpeckleMesh", scale=1.0):
-    bm = bmesh.new()
-
-    add_vertices(speckle_mesh, bm, scale)
-    add_faces(speckle_mesh, bm)
-    add_colors(speckle_mesh, bm)
-    add_uv_coords(speckle_mesh, bm)
-
-    bmesh.ops.recalc_face_normals(bm, faces=bm.faces)
-    bm.to_mesh(blender_mesh)
-    bm.free()
-
-    return blender_mesh
-
-
-def import_mesh(speckle_mesh, scale=1.0, name=None):
-    """
-    Convert Mesh object
-    """
-    if not name:
-        name = speckle_mesh.geometryHash or speckle_mesh.id
-
-    if name in bpy.data.meshes.keys():
-        mesh = bpy.data.meshes[name]
-    else:
-        mesh = bpy.data.meshes.new(name=name)
-
-    to_bmesh(speckle_mesh, mesh, name, scale)
-
-    return mesh
@@ -1,6 +0,0 @@
-import bpy, bmesh, struct
-import base64
-
-
-def import_plane(speckle_plane, scale=1.0, name=None):
-    return None
@@ -0,0 +1,665 @@
+import math
+from typing import Tuple, Union, Collection
+from bpy_speckle.functions import get_scale_length, _report
+from mathutils import (
+    Matrix as MMatrix,
+    Vector as MVector,
+    Quaternion as MQuaternion,
+)
+import bpy, bmesh
+from specklepy.objects.other import (
+    Instance,
+    Transform,
+    BlockDefinition,
+)
+from specklepy.objects.geometry import *
+from bpy.types import Object
+from .util import (
+    get_render_material,
+    link_object_to_collection_nested,
+    render_material_to_native,
+    add_custom_properties,
+    add_vertices,
+    add_faces,
+    add_colors,
+    add_uv_coords,
+)
+
+SUPPORTED_CURVES = (Line, Polyline, Curve, Arc, Polycurve, Ellipse, Circle)
+
+CAN_CONVERT_TO_NATIVE = (
+    Mesh,
+    *SUPPORTED_CURVES,
+    Instance,
+)
+
+
+def _has_native_convesion(speckle_object: Base) -> bool: 
+    return any(isinstance(speckle_object, t) for t in CAN_CONVERT_TO_NATIVE)
+
+def _has_fallback_conversion(speckle_object: Base) -> bool: 
+    return any(getattr(speckle_object, alias, None) for alias in DISPLAY_VALUE_PROPERTY_ALIASES)
+
+def can_convert_to_native(speckle_object: Base) -> bool:
+
+    if(_has_native_convesion(speckle_object) or _has_fallback_conversion(speckle_object)):
+        return True
+
+    _report(f"Could not convert unsupported Speckle object: {speckle_object}")
+    return False
+
+def create_new_object(obj_data: Optional[bpy.types.ID], desired_name: str, counter: int = 0) -> bpy.types.Object:
+    """
+    Creates a new blender object with a unique name,
+    if the desired_name is already taken
+    we'll append a number, with the format .xxx to the desired_name to ensure the name is unique.
+    """
+    name = desired_name if counter == 0 else f"{desired_name[:OBJECT_NAME_MAX_LENGTH - 4]}.{counter:03d}"  # format counter as name.xxx, truncate to ensure we don't exceed the object name max length
+
+    #TODO: This is very slow, and gets slower the more objects you receive with the same name...
+    # We could use a binary/galloping search, and/or cache the name -> index within a receive.
+    if name in bpy.data.objects.keys(): 
+        #Object already exists, increment counter and try again!
+        return create_new_object(obj_data, desired_name, counter + 1)
+
+    blender_object = bpy.data.objects.new(name, obj_data)
+    return blender_object
+
+convert_instances_as: str #HACK: This is hacky, we need a better way to pass settings down to the converter
+def set_convert_instances_as(value: str):
+    global convert_instances_as
+    convert_instances_as = value
+    
+def convert_to_native(speckle_object: Base) -> list[Object]:
+
+    speckle_type = type(speckle_object)
+    try:
+        object_name = _generate_object_name(speckle_object)
+        scale = get_scale_factor(speckle_object)
+
+        obj_data: Optional[Union[bpy.types.ID, bpy.types.Object]] = None
+        converted: list[Object] = []
+
+        # convert elements/breps
+        if not _has_native_convesion(speckle_object):
+            (obj_data, converted) = element_to_native(speckle_object, object_name, scale)
+            if not obj_data and not converted:
+                _report(f"Unsupported type {speckle_object.speckle_type}")
+
+        # convert supported geometry
+        elif isinstance(speckle_object, Mesh):
+            obj_data = mesh_to_native(speckle_object, object_name, scale)
+        elif speckle_type in SUPPORTED_CURVES:
+            obj_data = icurve_to_native(speckle_object, object_name, scale)
+        elif isinstance(speckle_object, Instance):
+            if convert_instances_as == "linked_duplicates":
+                (obj_data, converted) = instance_to_native_object(speckle_object, scale)
+            elif convert_instances_as != "collection_instance":
+                obj_data = instance_to_native_collection_instance(speckle_object, scale)
+            else:
+                _report(f"convert_instances_as = '{convert_instances_as}' is not implemented, Instances will be converted as collection instances!")
+                obj_data = instance_to_native_collection_instance(speckle_object, scale)
+
+        else:
+            _report(f"Unsupported type {speckle_type}")
+            return []
+    except Exception as ex:  # conversion error
+        _report(f"Error converting {speckle_object} \n{ex}")
+        return []
+
+
+    blender_object = obj_data if isinstance(obj_data, Object) else create_new_object(obj_data, object_name)
+    
+    blender_object.speckle.object_id = str(speckle_object.id)
+    blender_object.speckle.enabled = True
+    add_custom_properties(speckle_object, blender_object)
+
+    for child in converted:
+        child.parent = blender_object
+
+    converted.append(blender_object)
+    _report(f"Successfully converted {object_name} as {blender_object.type}")
+    return converted
+
+
+DISPLAY_VALUE_PROPERTY_ALIASES = ["displayValue", "@displayValue", "displayMesh", "@displayMesh", "elements", "@elements"]
+
+def element_to_native(speckle_object: Base, name: str, scale: float, combineMeshes: bool = True) -> tuple[Optional[bpy.types.Mesh], list[bpy.types.Object]]:
+    """
+    Converts a given speckle_object by converting displayValue properties (elements treated the same as displayValues)
+
+    if combineMeshes == True
+        Converts mesh displayValues as one mesh
+        Converts non-mesh displayValues as child Objects
+    if combineMeshes == False
+        Converts all displayValues as child objects (first item of the returned tuple will be None)
+    """
+    meshes: list[Mesh] = []
+    elements: list[Base] = []
+
+    #NOTE: raw Mesh elements will be treated like displayValues, which is not ideal, but no connector sends raw Mesh elements so it's fine
+    for alias in DISPLAY_VALUE_PROPERTY_ALIASES:
+        display = getattr(speckle_object, alias, None)
+
+        count = 0
+        MAX_DEPTH = 255 # some large value, to prevent infinite reccursion
+        def seperate(value: Any) -> bool:
+            nonlocal meshes, elements, count, MAX_DEPTH
+
+            if combineMeshes and isinstance(value, Mesh):
+                meshes.append(value)
+            elif isinstance(value, Base):
+                elements.append(value)
+            elif isinstance(value, list):
+                count += 1
+                if(count > MAX_DEPTH):
+                    return True
+                for x in value:
+                    seperate(x) 
+
+            return False
+
+        did_halt = seperate(display)
+
+        if did_halt:
+            _report(f"Traversal of {speckle_object.speckle_type} {speckle_object.id} halted after traversal depth exceeds MAX_DEPTH={MAX_DEPTH}. Are there circular references object structure?")
+
+
+    converted: list[Object] = []
+    mesh = None
+
+    if meshes:
+        mesh = meshes_to_native(speckle_object, meshes, name, scale)
+
+    for item in elements:
+        # add parent type here so we can use it as a blender custom prop
+        # not making it hidden, so it will get added on send as i think it might be helpful? can reconsider
+        item.parent_speckle_type = speckle_object.speckle_type #TODO: consider if this is still useful, as we now properly structure object parenting
+        blender_object = convert_to_native(item)
+        if isinstance(blender_object, list):
+            converted.extend(blender_object)
+        else:
+            add_custom_properties(speckle_object, blender_object)
+            converted.append(blender_object)
+
+    return (mesh, converted)
+
+
+def mesh_to_native(speckle_mesh: Mesh, name: str, scale: float) -> bpy.types.Mesh:
+    return meshes_to_native(speckle_mesh, [speckle_mesh], name, scale)
+
+def meshes_to_native(element: Base, meshes: Collection[Mesh], name: str, scale: float) -> bpy.types.Mesh:
+    if name in bpy.data.meshes.keys():
+        return bpy.data.meshes[name]
+
+    blender_mesh = bpy.data.meshes.new(name=name)
+
+    fallback_material = get_render_material(element)
+
+    bm = bmesh.new()
+
+    # First pass, add vertex data
+    for mesh in meshes:
+        scale = get_scale_factor(mesh, scale)
+        add_vertices(mesh, bm, scale)
+
+    bm.verts.ensure_lookup_table()
+
+    # Second pass, add face data
+    offset = 0
+    for i, mesh in enumerate(meshes):
+        add_faces(mesh, bm, offset, i)
+
+        render_material = get_render_material(mesh) or fallback_material
+        if render_material is not None:
+            native_material = render_material_to_native(render_material)
+            blender_mesh.materials.append(native_material)
+
+        offset += len(mesh.vertices) // 3
+
+    bm.faces.ensure_lookup_table()
+    bm.verts.index_update()
+
+    # Third pass, add vertex instance data
+    for mesh in meshes:
+        add_colors(mesh, bm)
+        add_uv_coords(mesh, bm)
+
+    bmesh.ops.recalc_face_normals(bm, faces=bm.faces)
+
+    bm.to_mesh(blender_mesh)
+    bm.free()  
+
+    return blender_mesh
+
+
+"""
+Curves
+"""
+
+def line_to_native(speckle_curve: Line, blender_curve: bpy.types.Curve, scale: float) -> list[bpy.types.Spline]:
+    if not speckle_curve.end: return []
+
+    line = blender_curve.splines.new("POLY")
+    line.points.add(1)
+
+    line.points[0].co = (
+        float(speckle_curve.start.x) * scale,
+        float(speckle_curve.start.y) * scale,
+        float(speckle_curve.start.z) * scale,
+        1,
+    )
+
+    line.points[1].co = (
+        float(speckle_curve.end.x) * scale,
+        float(speckle_curve.end.y) * scale,
+        float(speckle_curve.end.z) * scale,
+        1,
+    )
+
+    return [line]
+
+
+def polyline_to_native(scurve: Polyline, bcurve: bpy.types.Curve, scale: float) -> list[bpy.types.Spline]:
+    if not (value := scurve.value): return []
+    N = len(value) // 3
+
+    polyline = bcurve.splines.new("POLY")
+
+    if hasattr(scurve, "closed"):
+        polyline.use_cyclic_u = scurve.closed
+
+    polyline.points.add(N - 1)
+    for i in range(N):
+        polyline.points[i].co = (
+            float(value[i * 3]) * scale,
+            float(value[i * 3 + 1]) * scale,
+            float(value[i * 3 + 2]) * scale,
+            1,
+        )
+
+    return [polyline]
+    
+
+
+def nurbs_to_native(scurve: Curve, bcurve: bpy.types.Curve, scale: float) -> list[bpy.types.Spline]:
+    if not (points := scurve.points): return []
+
+    # Closed curves from rhino will have n + degree points. We ignore the extras
+    num_points = len(points) // 3 - scurve.degree if (scurve.closed) else (
+        len(points) // 3)   
+    
+    nurbs = bcurve.splines.new("NURBS")
+    nurbs.use_cyclic_u = scurve.closed
+    nurbs.use_endpoint_u = not scurve.periodic
+    
+    nurbs.points.add(num_points - 1)
+    use_weights = len(scurve.weights) >= num_points
+    for i in range(num_points):
+        nurbs.points[i].co = (
+            float(points[i * 3]) * scale,
+            float(points[i * 3 + 1]) * scale,
+            float(points[i * 3 + 2]) * scale,
+            1,
+        )
+        
+        nurbs.points[i].weight = scurve.weights[i] if use_weights else 1
+
+    nurbs.order_u = scurve.degree + 1
+
+    return [nurbs]
+
+
+def arc_to_native(rcurve: Arc, bcurve: bpy.types.Curve, scale: float) -> Optional[bpy.types.Spline]:
+    # TODO: improve Blender representation of arc - check autocad test stream
+
+    plane = rcurve.plane
+    if not plane:
+        return None
+
+    normal = MVector([plane.normal.x, plane.normal.y, plane.normal.z])
+
+    radius = rcurve.radius * scale
+    startAngle = rcurve.startAngle
+    endAngle = rcurve.endAngle
+
+    startQuat = MQuaternion(normal, startAngle)
+    endQuat = MQuaternion(normal, endAngle)
+
+    # Get start and end vectors, centre point, angles, etc.
+    r1 = MVector([plane.xdir.x, plane.xdir.y, plane.xdir.z])
+    r1.rotate(startQuat)
+
+    r2 = MVector([plane.xdir.x, plane.xdir.y, plane.xdir.z])
+    r2.rotate(endQuat)
+
+    c = MVector([plane.origin.x, plane.origin.y, plane.origin.z]) * scale
+
+    spt = c + r1 * radius
+    ept = c + r2 * radius
+
+    angle = endAngle - startAngle
+
+    t1 = normal.cross(r1)
+
+    # Initialize arc data and calculate subdivisions
+    arc = bcurve.splines.new("NURBS")
+
+    arc.use_cyclic_u = False
+
+    Ndiv = max(int(math.floor(angle / 0.3)), 2)
+    step = angle / float(Ndiv)
+    stepQuat = MQuaternion(normal, step)
+    tan = math.tan(step / 2) * radius
+
+    arc.points.add(Ndiv + 1)
+
+    # Set start and end points
+    arc.points[0].co = (spt.x, spt.y, spt.z, 1)
+    arc.points[Ndiv + 1].co = (ept.x, ept.y, ept.z, 1)
+
+    # Set intermediate points
+    for i in range(Ndiv):
+        t1 = normal.cross(r1)
+        pt = c + r1 * radius + t1 * tan
+        arc.points[i + 1].co = (pt.x, pt.y, pt.z, 1)
+        r1.rotate(stepQuat)
+
+    # Set curve settings
+    arc.use_endpoint_u = True
+    arc.order_u = 3
+
+    return arc
+
+
+def polycurve_to_native(scurve: Polycurve, bcurve: bpy.types.Curve, scale: float) -> list[bpy.types.Spline]:
+    """
+    Convert Polycurve object
+    """
+    segments = scurve.segments
+
+    curves = []
+
+    for seg in segments:
+        speckle_type = type(seg)
+
+        if speckle_type in SUPPORTED_CURVES:
+            curves.append(icurve_to_native_spline(seg, bcurve, scale))
+        else:
+            _report(f"Unsupported curve type: {speckle_type}")
+
+    return curves
+
+def circle_to_native(circle: Circle, bcurve: bpy.types.Curve, units_scale: float) -> list[bpy.types.Spline]:
+    #HACK: violates typing, but it works...
+    circle["firstRadius"] = circle.radius
+    circle["secondRadius"] = circle.radius
+    return ellipse_to_native(circle, bcurve, units_scale)
+ 
+def ellipse_to_native(ellipse: Ellipse, bcurve: bpy.types.Curve, units_scale: float) -> list[bpy.types.Spline]:
+    plane = ellipse.plane
+
+    radX = ellipse.firstRadius * units_scale
+    radY = ellipse.secondRadius * units_scale
+    
+    D = 0.5522847498307936 # (4/3)*tan(pi/8)
+
+    right_handles = [
+        (+radX,     +radY * D,  0.0),
+        (-radX * D, +radY,      0.0),
+        (-radX,     -radY * D,  0.0),
+        (+radX * D, -radY,      0.0),
+    ]
+
+    left_handles = [
+        (+radX,     -radY * D,  0.0),
+        (+radX * D, +radY,      0.0),
+        (-radX,     +radY * D,  0.0),
+        (-radX * D, -radY,      0.0),
+    ]
+
+    points = [
+        (+radX, 0.0,   0.0),
+        (0.0,   +radY, 0.0),
+        (-radX, 0.0,   0.0),
+        (0.0,   -radY, 0.0),
+    ]
+    transform = plane_to_native_transform(plane, units_scale)
+
+    spline = bcurve.splines.new("BEZIER")
+    spline.bezier_points.add(len(points) - 1)
+
+    for i in range(len(points)):
+        spline.bezier_points[i].co = transform @ MVector(points[i])
+        spline.bezier_points[i].handle_left = transform @ MVector(left_handles[i])
+        spline.bezier_points[i].handle_right = transform @ MVector(right_handles[i])
+
+    spline.use_cyclic_u = True
+    
+    #TODO support trims?
+    return [spline]
+
+
+def icurve_to_native_spline(speckle_curve: Base, blender_curve: bpy.types.Curve, scale: float) -> list[bpy.types.Spline]:
+    # polycurves
+    if isinstance(speckle_curve, Polycurve):
+        return polycurve_to_native(speckle_curve, blender_curve, scale)
+
+    # single curves
+    if isinstance(speckle_curve, Line):
+        spline = line_to_native(speckle_curve, blender_curve, scale)
+    elif isinstance(speckle_curve, Curve):
+        spline = nurbs_to_native(speckle_curve, blender_curve, scale)
+    elif isinstance(speckle_curve, Polyline):
+        spline = polyline_to_native(speckle_curve, blender_curve, scale)
+    elif isinstance(speckle_curve, Arc):
+        spline =  arc_to_native(speckle_curve, blender_curve, scale)
+    elif isinstance(speckle_curve, Ellipse):
+        spline =  ellipse_to_native(speckle_curve, blender_curve, scale)
+    elif isinstance(speckle_curve, Circle):
+        spline =  circle_to_native(speckle_curve, blender_curve, scale)
+    else:
+        raise TypeError(f"{speckle_curve} is not a supported curve type. Supported types: {SUPPORTED_CURVES}")
+
+    return [spline] if spline is not None else [] 
+
+
+def icurve_to_native(speckle_curve: Base, name: str, scale: float) -> Optional[bpy.types.Curve]:
+    curve_type = type(speckle_curve)
+    if curve_type not in SUPPORTED_CURVES:
+        _report(f"Unsupported curve type: {curve_type}")
+        return None
+    blender_curve = (
+        bpy.data.curves[name]
+        if name in bpy.data.curves.keys()
+        else bpy.data.curves.new(name, type="CURVE")
+    )
+    blender_curve.dimensions = "3D"
+    blender_curve.resolution_u = 12 #TODO: We could maybe decern the resolution from the ployline displayValue
+
+    icurve_to_native_spline(speckle_curve, blender_curve, scale)
+
+    return blender_curve
+
+
+"""
+Transforms and Intances
+"""
+
+def transform_to_native(transform: Transform, scale: float) -> MMatrix:
+    mat = MMatrix(
+        [
+            transform.value[:4],
+            transform.value[4:8],
+            transform.value[8:12],
+            transform.value[12:16],
+        ]
+    )
+    # scale the translation
+    for i in range(3):
+        mat[i][3] *= scale
+    return mat
+
+def plane_to_native_transform(plane: Plane, fallback_scale:float = 1) -> MMatrix:
+    scale_factor = get_scale_factor(plane, fallback_scale)
+    tx = (plane.origin.x * scale_factor)
+    ty = (plane.origin.y * scale_factor)
+    tz = (plane.origin.z * scale_factor)
+
+
+    return MMatrix((
+        (plane.xdir.x,  plane.ydir.x,  plane.normal.x, tx),
+        (plane.xdir.y,  plane.ydir.y,  plane.normal.y, ty),
+        (plane.xdir.z,  plane.ydir.z,  plane.normal.z, tz),
+        (0,             0,             0,              1 )
+    ))
+
+
+"""
+Instances / Blocks
+"""
+
+def _get_instance_name(instance: Instance) -> str:
+    name_prefix = _get_friendly_object_name(instance) or _get_friendly_object_name(instance.definition) or _simplified_speckle_type(instance.speckle_type)
+    return f"{name_prefix}{OBJECT_NAME_SEPERATOR}{instance.id}"
+
+
+def instance_to_native_object(instance: Instance, scale: float) -> Tuple[bpy.types.Object, List[bpy.types.Object]]:
+    """
+    Converts Instance to a unique object with (potentially) shared data (linked duplicate)
+    """
+    if not instance.definition: raise Exception(f"Instance is missing a definition")
+    if not instance.transform: raise Exception(f"Instance is missing a transform")
+
+    name = _get_instance_name(instance)
+    definition = instance.definition
+
+    native_instance: Object
+    native_elements: List[Object] = []
+    elements_on_instance: List[Object] = []
+
+    if isinstance(definition, BlockDefinition): #NOTE: We have to handle BlockDefinitions specially here, since they don't follow normal traversal rules
+        native_instance = create_new_object(None, name) #Instance will be empty
+        native_instance.empty_display_size = 0
+        for geo in definition.geometry:
+            native_elements.append(convert_to_native(geo)[-1])
+    else:
+        native_instance = convert_to_native(instance.definition)[-1] # Convert assuming that definition is convertable
+
+    instance_transform = transform_to_native(instance.transform, scale)
+    instance_transform_inverted = instance_transform.inverted()
+    native_instance.matrix_world = instance_transform
+    
+    (_, elements_on_instance) = element_to_native(instance, name, scale)
+    for c in elements_on_instance:
+        c.matrix_world = instance_transform_inverted @ c.matrix_world #Undo the instance transform on elements
+
+    native_elements.extend(elements_on_instance)
+    
+    return (native_instance, native_elements) #TODO: need to double check that all child objects have custom props attached correctly
+
+def instance_to_native_collection_instance(instance: Instance, scale: float) -> bpy.types.Object:
+    """
+    Convert an Instance as a transformed Object with the `instance_collection` property
+    set to be the `instance.Definition` converted as a collection
+
+    The definition collection won't be linked to the current scene
+    Any Elements on the instance object will also be converted (and spacially transformed)
+    """
+    if not instance.definition: raise Exception(f"Instance is missing a definition")
+    if not instance.transform: raise Exception(f"Instance is missing a transform")
+
+    name = _get_instance_name(instance)
+
+    # Get/Convert definition collection
+    collection_def = _instance_definition_to_native(instance.definition)
+
+    # Convert elements as children of collection instance object
+    (_, elements) = element_to_native(instance, name, scale, False)
+
+    instance_transform = transform_to_native(instance.transform, scale)
+    instance_transform_inverted = instance_transform.inverted()
+
+    native_instance = bpy.data.objects.new(name, None)
+
+    #add_custom_properties(instance, native_instance)
+    # hide the instance axes so they don't clutter the viewport
+    native_instance.empty_display_size = 0
+    native_instance.instance_collection = collection_def
+    native_instance.instance_type = "COLLECTION"
+    native_instance.matrix_world =instance_transform
+
+    for c in elements:
+        c.matrix_world = instance_transform_inverted @ c.matrix_world #Undo the instance transform on elements
+        c.parent = native_instance #TODO: need to double check that all child objects have custom props attached correctly
+
+    return native_instance 
+
+def _instance_definition_to_native(definition: Union[Base, BlockDefinition]) -> bpy.types.Collection:
+    """
+    Converts a geometry carrying Base as a collection (does not link it to the scene)
+    """
+    name = _generate_object_name(definition)
+    native_def = bpy.data.collections.get(name)
+    if native_def:
+        return native_def
+
+    native_def = bpy.data.collections.new(name)
+    native_def["applicationId"] = definition.applicationId
+
+    #TODO could maybe replace BlockDefinition awareness with a single traverse member call
+    geometry = definition.geometry if isinstance(definition, BlockDefinition) else [definition]
+
+    for geo in geometry:
+        if not geo: continue
+        converted = convert_to_native(geo)[-1] #NOTE: we assume the last item is the root converted item
+        link_object_to_collection_nested(converted, native_def)
+
+
+    return native_def
+
+
+"""
+Object Naming
+"""
+
+def _get_friendly_object_name(speckle_object: Base) -> Optional[str]:
+    return (getattr(speckle_object, "name", None)
+        or getattr(speckle_object, "Name", None)
+        or getattr(speckle_object, "family", None)
+        )
+
+
+# Blender object names must not exceed 62 characters
+# We need to ensure the complete ID is included in the name (to prevent identity collisions)
+# So we if the name is too long, we need to truncate
+OBJECT_NAME_MAX_LENGTH = 62
+SPECKLE_ID_LENGTH = 32
+OBJECT_NAME_SEPERATOR = " -- "
+
+def _truncate_object_name(name: str) -> str:
+
+    MAX_NAME_LENGTH = OBJECT_NAME_MAX_LENGTH - SPECKLE_ID_LENGTH - len(OBJECT_NAME_SEPERATOR)
+
+    return name[:MAX_NAME_LENGTH]
+    
+
+def _simplified_speckle_type(speckle_type: str) -> str:
+    return(speckle_type.rsplit('.')[-1]) #Take only the most specific object type name (without namespace)
+
+def _generate_object_name(speckle_object: Base) -> str:
+    prefix: str
+    name = _get_friendly_object_name(speckle_object)
+    if name:
+        prefix = _truncate_object_name(name)
+    else:
+        prefix = _simplified_speckle_type(speckle_object.speckle_type)
+
+    return f"{prefix}{OBJECT_NAME_SEPERATOR}{speckle_object.id}"
+
+
+def get_scale_factor(speckle_object: Base, fallback: float = 1.0) -> float:
+    scale = fallback
+    if units := getattr(speckle_object, "units", None):
+        scale = get_scale_length(units) / bpy.context.scene.unit_settings.scale_length
+    return scale
@@ -0,0 +1,448 @@
+from typing import Dict, Iterable, Optional, Tuple
+import bpy
+from bpy.types import Depsgraph, MeshPolygon, Object
+from deprecated import deprecated
+from mathutils.geometry import interpolate_bezier
+from mathutils import (
+    Matrix as MMatrix,
+    Vector as MVector,
+)
+from specklepy.objects.geometry import (
+     Mesh, Curve, Interval, Box, Point, Polyline
+)
+from specklepy.objects.other import *
+from bpy_speckle.functions import _report
+from bpy_speckle.convert.util import (
+    get_blender_custom_properties,
+    make_knots,
+    nurb_make_curve,
+    to_argb_int,
+)
+
+UNITS = "m"
+
+CAN_CONVERT_TO_SPECKLE = ("MESH", "CURVE", "EMPTY")
+
+
+def convert_to_speckle(raw_blender_object: Object, scale: float, units: str, depsgraph: Optional[Depsgraph]) -> Optional[list]:
+    global UNITS
+    UNITS = units
+    
+    blender_type = raw_blender_object.type
+    if blender_type not in CAN_CONVERT_TO_SPECKLE:
+        return None
+
+    blender_object: Object = (
+        raw_blender_object.evaluated_get(depsgraph)
+        if depsgraph
+        else raw_blender_object
+        )
+
+    converted = None
+    if blender_type == "MESH":
+        converted = mesh_to_speckle(blender_object, blender_object.data, scale)
+    elif blender_type == "CURVE":
+        converted = icurve_to_speckle(blender_object, blender_object.data, scale)
+    elif blender_type == "EMPTY":
+        converted = empty_to_speckle(blender_object, scale)
+    if not converted:
+        return None
+
+    speckle_objects = []
+    if isinstance(converted, list):
+        speckle_objects.extend([c for c in converted if c != None])
+    else:
+        speckle_objects.append(converted)
+
+    for so in speckle_objects:
+        so["properties"] = get_blender_custom_properties(raw_blender_object) #NOTE: Depsgraph copies don't have custom properties so we use the raw version
+        so["applicationId"] = so.properties.pop("applicationId", None)
+
+
+        # Set object transform
+        if blender_type != "EMPTY": #TODO: this could be deprecated once we add proper instancing support
+            so["properties"]["transform"] = transform_to_speckle(
+                blender_object.matrix_world
+            )
+
+    return speckle_objects
+
+def mesh_to_speckle(blender_object: Object, data: bpy.types.Mesh, scale: float = 1.0) -> List[Mesh]:
+    #if data.loop_triangles is None or len(data.loop_triangles) < 1:
+    #    data.calc_loop_triangles()
+
+    # Categorise polygons by material index
+    submesh_data: Dict[int, List[MeshPolygon]] = {}
+
+    for p in data.polygons:
+        if p.material_index not in submesh_data:
+            submesh_data[p.material_index] = []
+        submesh_data[p.material_index].append(p)
+
+    transform = blender_object.matrix_world
+    scaled_vertices = [tuple(transform @ x.co * scale) for x in data.vertices]
+
+    # Create Speckle meshes for each material
+    submeshes = []
+    index_counter = 0
+    for i in submesh_data:
+        index_mapping: Dict[int, int] = {}
+
+        #Loop through each polygon, and map indicies to their new index in m_verts
+    
+        mesh_area = 0
+        m_verts: List[float] = []
+        m_faces: List[int] = []
+        m_texcoords: List[float] = []
+        for face in submesh_data[i]:
+            u_indices = face.vertices
+            m_faces.append(len(u_indices))
+
+            mesh_area += face.area
+            for u_index in u_indices:
+                if u_index not in index_mapping:
+                    # Create mapping between index in blender mesh, and new index in speckle submesh
+                    index_mapping[u_index] = len(m_verts) // 3
+                    vert = scaled_vertices[u_index]
+                    m_verts.append(vert[0])
+                    m_verts.append(vert[1])
+                    m_verts.append(vert[2])
+                
+                if data.uv_layers.active:
+                    vt = data.uv_layers.active.data[index_counter]
+                    m_texcoords.extend([vt.uv.x, vt.uv.y])
+
+                m_faces.append(index_mapping[u_index])
+                index_counter += 1
+
+        speckle_mesh = Mesh(
+            vertices=m_verts,
+            faces=m_faces,
+            colors=[],
+            textureCoordinates=m_texcoords,
+            units=UNITS,
+            area = mesh_area,
+            bbox=Box(area=0.0, volume=0.0),
+        )
+        
+        if i < len(data.materials):
+            material = data.materials[i]
+            if material is not None:
+                speckle_mesh["renderMaterial"] = material_to_speckle(material)
+        submeshes.append(speckle_mesh)           
+
+    return submeshes
+
+
+def bezier_to_speckle(matrix: MMatrix, spline: bpy.types.Spline, scale: float, name: Optional[str] = None) -> Curve:
+    degree = 3
+    closed = spline.use_cyclic_u
+
+    points = []
+    for i, bp in enumerate(spline.bezier_points):
+        if i > 0:
+            points.append(tuple(matrix @ bp.handle_left * scale))
+        points.append(tuple(matrix @ bp.co * scale))
+        if i < len(spline.bezier_points) - 1:
+            points.append(tuple(matrix @ bp.handle_right * scale))
+
+    if closed:
+        points.extend(
+            (
+                tuple(matrix @ spline.bezier_points[-1].handle_right * scale),
+                tuple(matrix @ spline.bezier_points[0].handle_left * scale),
+                tuple(matrix @ spline.bezier_points[0].co * scale),
+            )
+        )
+    
+    num_points = len(points)
+
+    flattend_points = []
+    for row in points: flattend_points.extend(row)
+
+    knot_count = num_points + degree - 1
+    knots = [0] * knot_count
+
+    for i in range(1, len(knots)):
+        knots[i] = i // 3
+
+    length = spline.calc_length()
+    domain = Interval(start=0, end=length, totalChildrenCount=0)
+    return Curve(
+        name=name,
+        degree=degree,
+        closed=spline.use_cyclic_u,
+        periodic= not spline.use_endpoint_u,
+        points=flattend_points,
+        weights=[1] * num_points,
+        knots=knots,
+        rational=True,
+        area=0,
+        volume=0,
+        length=length,
+        domain=domain,
+        units=UNITS,
+        bbox=Box(area=0.0, volume=0.0),
+        displayValue = bezier_to_speckle_polyline(matrix, spline, scale, length),
+    )
+
+
+def nurbs_to_speckle(matrix: MMatrix, spline: bpy.types.Spline, scale: float, name: Optional[str] = None) -> Curve:
+
+    degree = spline.order_u - 1
+    knots = make_knots(spline)
+
+    length = spline.calc_length()
+    domain = Interval(start=0, end=length, totalChildrenCount=0)
+
+    weights = [pt.weight for pt in spline.points]
+    is_rational = all(w == weights[0] for w in weights)
+
+    points = [tuple(matrix @ pt.co.xyz * scale) for pt in spline.points]
+
+    flattend_points = []
+    for row in points: flattend_points.extend(row)
+
+    if spline.use_cyclic_u:
+        for i in range(0, degree * 3, 3):
+            # Rhino expects n + degree number of points (for closed curves). So we need to add an extra point for each degree
+            flattend_points.append(flattend_points[i + 0])
+            flattend_points.append(flattend_points[i + 1])
+            flattend_points.append(flattend_points[i + 2])
+        
+        for i in range(0, degree):
+            weights.append(weights[i])
+
+    return Curve(
+        name=name,
+        degree=degree,
+        closed=spline.use_cyclic_u,
+        periodic= not spline.use_endpoint_u,
+        points=flattend_points,
+        weights=weights,
+        knots=knots,
+        rational=is_rational, 
+        area=0,
+        volume=0,
+        length=length,
+        domain=domain,
+        units=UNITS,
+        bbox=Box(area=0.0, volume=0.0),
+        displayValue=nurbs_to_speckle_polyline(matrix, spline, scale, length),
+    )
+
+def nurbs_to_speckle_polyline(matrix: MMatrix, spline: bpy.types.Spline, scale: float, length: Optional[float] = None) -> Polyline:
+    """
+    Samples a nurbs curve with resolution_u creating a polyline
+    """
+    points = []
+    sampled_points = nurb_make_curve(spline, spline.resolution_u, 3)
+    for i in range(0, len(sampled_points), 3):
+        scaled_point = matrix @ MVector((
+        sampled_points[i + 0],
+        sampled_points[i + 1],
+        sampled_points[i + 2])) * scale
+
+        points.append(scaled_point.x)
+        points.append(scaled_point.y)
+        points.append(scaled_point.z)
+        
+    length = length or spline.calc_length()
+    domain = Interval(start=0, end=length, totalChildrenCount=0)
+    return Polyline(value=points, closed = spline.use_cyclic_u, domain=domain, area=0, len=length)
+
+
+#Inspired by https://blender.stackexchange.com/a/689 (CC BY-SA 3.0) 
+def bezier_to_speckle_polyline(matrix: MMatrix, spline: bpy.types.Spline, scale: float, length: Optional[float] = None) -> Optional[Polyline]:
+    """
+    Samples a Bézier curve with resolution_u creating a polyline
+    """
+    segments = len(spline.bezier_points)
+    if segments < 2: return None
+
+    R = spline.resolution_u + 1
+
+    points = []
+    if not spline.use_cyclic_u:
+        segments -= 1
+    
+    points: List[float] = []
+    for i in range(segments):
+        inext = (i + 1) % len(spline.bezier_points)
+
+        knot1 = spline.bezier_points[i].co
+        handle1 = spline.bezier_points[i].handle_right
+        handle2 = spline.bezier_points[inext].handle_left
+        knot2 = spline.bezier_points[inext].co
+
+        _points = interpolate_bezier(knot1, handle1, handle2, knot2, R)
+        for p in _points:
+            scaled_point = matrix @ p * scale
+            points.append(scaled_point.x)
+            points.append(scaled_point.y)
+            points.append(scaled_point.z)
+
+    length = length or spline.calc_length()
+    domain = Interval(start=0, end=length, totalChildrenCount=0)
+    return Polyline(value=points, closed = spline.use_cyclic_u, domain=domain, area=0, len=length)
+
+def poly_to_speckle(matrix: MMatrix, spline: bpy.types.Spline, scale: float, name: Optional[str] = None) -> Polyline:
+    points = [tuple(matrix @ pt.co.xyz * scale) for pt in spline.points]
+
+    flattend_points = []
+    for row in points: flattend_points.extend(row)
+
+    length = spline.calc_length()
+    domain = Interval(start=0, end=length, totalChildrenCount=0)
+    return Polyline(
+        name=name,
+        closed=bool(spline.use_cyclic_u),
+        value=list(flattend_points),
+        length=length,
+        domain=domain,
+        bbox=Box(area=0.0, volume=0.0),
+        area=0,
+        units=UNITS,
+    )
+
+
+def icurve_to_speckle(blender_object: Object, data: bpy.types.Curve, scale=1.0) -> Optional[List[Base]]:
+    UNITS = "m" if bpy.context.scene.unit_settings.system == "METRIC" else "ft"
+
+    if blender_object.type != "CURVE":
+        return None
+
+    blender_object = blender_object.evaluated_get(bpy.context.view_layer.depsgraph)
+
+    mat = blender_object.matrix_world
+
+    curves = []
+
+    if data.bevel_mode == "OBJECT" and data.bevel_object != None:
+        mesh = mesh_to_speckle(blender_object, blender_object.to_mesh(), scale)
+        curves.extend(mesh)
+
+    for spline in data.splines:
+        if spline.type == "BEZIER":
+            curves.append(bezier_to_speckle(mat, spline, scale, blender_object.name))
+
+        elif spline.type == "NURBS":
+            curves.append(nurbs_to_speckle(mat, spline, scale, blender_object.name))
+
+        elif spline.type == "POLY":
+            curves.append(poly_to_speckle(mat, spline, scale, blender_object.name))
+
+    return curves
+
+@deprecated
+def ngons_to_speckle_polylines(blender_object: Object, data: bpy.types.Mesh, scale=1.0) -> Optional[List[Polyline]]:
+    UNITS = "m" if bpy.context.scene.unit_settings.system == "METRIC" else "ft"
+
+    if blender_object.type != "MESH":
+        return None
+
+    mat = blender_object.matrix_world
+
+    verts = data.vertices
+    polylines = []
+    for i, poly in enumerate(data.polygons):
+        value = []
+        for v in poly.vertices:
+            value.extend(mat @ verts[v].co * scale)
+
+        domain = Interval(start=0, end=1)
+        poly = Polyline(
+            name="{}_{}".format(blender_object.name, i),
+            closed=True,
+            value=value,
+            length=0,
+            domain=domain,
+            bbox=Box(area=0.0, volume=0.0),
+            area=0,
+            units=UNITS,
+        )
+
+        polylines.append(poly)
+
+    return polylines
+
+
+def material_to_speckle(blender_mat: bpy.types.Material) -> RenderMaterial:
+    speckle_mat = RenderMaterial()
+    speckle_mat.name = blender_mat.name
+
+    if blender_mat.use_nodes is True and blender_mat.node_tree.nodes.get(
+        "Principled BSDF"
+    ):
+        inputs = blender_mat.node_tree.nodes["Principled BSDF"].inputs
+        speckle_mat.diffuse = to_argb_int(inputs["Base Color"].default_value)
+        speckle_mat.emissive = to_argb_int(inputs["Emission"].default_value)
+        speckle_mat.roughness = inputs["Roughness"].default_value
+        speckle_mat.metalness = inputs["Metallic"].default_value
+        speckle_mat.opacity = inputs["Alpha"].default_value
+
+    else:
+        speckle_mat.diffuse = to_argb_int(blender_mat.diffuse_color)
+        speckle_mat.metalness = blender_mat.metallic
+        speckle_mat.roughness = blender_mat.roughness
+
+    return speckle_mat
+
+
+def material_to_speckle_old(blender_object: Object) -> Optional[RenderMaterial]:
+    """Create and return a render material from a blender object"""
+    if not getattr(blender_object.data, "materials", None):
+        return None
+
+    blender_mat: bpy.types.Material = blender_object.data.materials[0]
+    if not blender_mat:
+        return None
+
+    return material_to_speckle(blender_mat)
+
+
+def transform_to_speckle(blender_transform: Iterable[Iterable[float]], scale=1.0) -> Transform:
+    value = [y for x in blender_transform for y in x]
+    # scale the translation
+    for i in (3, 7, 11):
+        value[i] *= scale
+
+    return Transform(value=value, units=UNITS)
+
+
+def block_def_to_speckle(blender_definition: bpy.types.Collection, scale=1.0) -> BlockDefinition:
+    geometry = []
+    for geo in blender_definition.objects:
+        geometry.extend(convert_to_speckle(geo, scale, UNITS, None))
+    block_def = BlockDefinition(
+        units=UNITS,
+        name=blender_definition.name,
+        geometry=geometry,
+        basePoint=Point(units=UNITS),
+    )
+    blender_props = get_blender_custom_properties(blender_definition)
+    block_def.applicationId = blender_props.pop("applicationId", None)
+    return block_def
+
+
+def block_instance_to_speckle(blender_instance: Object, scale=1.0) -> BlockInstance:
+    return BlockInstance(
+        blockDefinition=block_def_to_speckle(
+            blender_instance.instance_collection, scale
+        ),
+        transform=transform_to_speckle(blender_instance.matrix_world),
+        name=blender_instance.name,
+        units=UNITS,
+    )
+
+
+def empty_to_speckle(blender_object: Object, scale=1.0) -> Optional[BlockInstance]:
+    # probably an instance collection (block) so let's try it
+    try:
+        geo = blender_object.instance_collection.objects.items()
+        return block_instance_to_speckle(blender_object, scale)
+    except AttributeError as err:
+        _report(
+            f"No instance collection found in empty. Skipping object {blender_object.name}"
+        )
+        return None
@@ -1,3 +0,0 @@
-from .mesh import export_mesh
-from .curve import export_curve, export_ngons_as_polylines
-from .empty import export_empty
@@ -1,224 +0,0 @@
-import bpy, bmesh, struct
-from specklepy.objects.geometry import Curve, Interval, Box, Polyline
-from bpy_speckle.convert.to_speckle.mesh import export_mesh
-
-UNITS = "m"
-
-
-def bezier_to_speckle(matrix, spline, scale, name=None):
-    degree = 3
-    closed = spline.use_cyclic_u
-
-    points = []
-    for i, bp in enumerate(spline.bezier_points):
-        if i > 0:
-            points.append(tuple(matrix @ bp.handle_left * scale))
-        points.append(tuple(matrix @ bp.co * scale))
-        if i < len(spline.bezier_points) - 1:
-            points.append(tuple(matrix @ bp.handle_right * scale))
-
-    if closed:
-        points.append(tuple(matrix @ spline.bezier_points[-1].handle_right * scale))
-        points.append(tuple(matrix @ spline.bezier_points[0].handle_left * scale))
-        points.append(tuple(matrix @ spline.bezier_points[0].co * scale))
-
-    num_points = len(points)
-
-    knot_count = num_points + degree - 1
-    knots = [0] * knot_count
-
-    for i in range(1, len(knots)):
-        knots[i] = i // 3
-
-    length = spline.calc_length()
-    domain = Interval(start=0, end=length, totalChildrenCount=0)
-    return Curve(
-        name=name,
-        degree=degree,
-        closed=spline.use_cyclic_u,
-        periodic=spline.use_cyclic_u,
-        points=list(sum(points, ())),  # magic (flatten list of tuples)
-        weights=[1] * num_points,
-        knots=knots,
-        rational=False,
-        area=0,
-        volume=0,
-        length=length,
-        domain=domain,
-        units=UNITS,
-        bbox=Box(area=0.0, volume=0.0),
-    )
-
-
-def nurbs_to_speckle(matrix, spline, scale, name=None):
-    knots = makeknots(spline)
-    # print("knots: {}".format(knots))
-    points = [tuple(matrix @ pt.co.xyz * scale) for pt in spline.points]
-    degree = spline.order_u - 1
-
-    length = spline.calc_length()
-    domain = Interval(start=0, end=length, totalChildrenCount=0)
-
-    return Curve(
-        name=name,
-        degree=degree,
-        closed=spline.use_cyclic_u,
-        periodic=spline.use_cyclic_u,
-        points=list(sum(points, ())),  # magic (flatten list of tuples)
-        weights=[pt.weight for pt in spline.points],
-        knots=knots,
-        rational=False,
-        area=0,
-        volume=0,
-        length=length,
-        domain=domain,
-        units=UNITS,
-        bbox=Box(area=0.0, volume=0.0),
-    )
-
-
-def poly_to_speckle(matrix, spline, scale, name=None):
-    points = [tuple(matrix @ pt.co.xyz * scale) for pt in spline.points]
-
-    length = spline.calc_length()
-    domain = Interval(start=0, end=length, totalChildrenCount=0)
-    return Polyline(
-        name=name,
-        closed=spline.use_cyclic_u,
-        value=list(sum(points, ())),  # magic (flatten list of tuples)
-        length=length,
-        domain=domain,
-        bbox=Box(area=0.0, volume=0.0),
-        area=0,
-        units=UNITS,
-    )
-
-
-def export_curve(blender_object, data, scale=1.0):
-    UNITS = "m" if bpy.context.scene.unit_settings.system == "METRIC" else "ft"
-
-    if blender_object.type != "CURVE":
-        return None
-
-    blender_object = blender_object.evaluated_get(bpy.context.view_layer.depsgraph)
-
-    mat = blender_object.matrix_world
-
-    curves = []
-
-    if data.bevel_mode == "OBJECT" and data.bevel_object != None:
-        mesh = export_mesh(blender_object, blender_object.to_mesh(), scale)
-        curves.extend(mesh)
-
-    for spline in data.splines:
-        if spline.type == "BEZIER":
-            curves.append(bezier_to_speckle(mat, spline, scale, blender_object.name))
-
-        elif spline.type == "NURBS":
-            curves.append(nurbs_to_speckle(mat, spline, scale, blender_object.name))
-
-        elif spline.type == "POLY":
-            curves.append(poly_to_speckle(mat, spline, scale, blender_object.name))
-
-    return curves
-
-
-def export_ngons_as_polylines(blender_object, data, scale=1.0):
-    UNITS = "m" if bpy.context.scene.unit_settings.system == "METRIC" else "ft"
-
-    if blender_object.type != "MESH":
-        return None
-
-    mat = blender_object.matrix_world
-
-    verts = data.vertices
-    polylines = []
-    for i, poly in enumerate(data.polygons):
-        value = []
-        for v in poly.vertices:
-            value.extend(mat @ verts[v].co * scale)
-
-        domain = Interval(start=0, end=1)
-        poly = Polyline(
-            name="{}_{}".format(blender_object.name, i),
-            closed=True,
-            value=value,  # magic (flatten list of tuples)
-            length=0,
-            domain=domain,
-            bbox=Box(area=0.0, volume=0.0),
-            area=0,
-            units=UNITS,
-        )
-
-        polylines.append(poly)
-
-    return polylines
-
-
-"""
-Python implementation of Blender's NURBS curve generation
-from: https://blender.stackexchange.com/a/34276
-"""
-
-
-def macro_knotsu(nu):
-    return nu.order_u + nu.point_count_u + (nu.order_u - 1 if nu.use_cyclic_u else 0)
-
-
-def macro_segmentsu(nu):
-    return nu.point_count_u if nu.use_cyclic_u else nu.point_count_u - 1
-
-
-def makeknots(nu):
-    knots = [0.0] * (4 + macro_knotsu(nu))
-    flag = nu.use_endpoint_u + (nu.use_bezier_u << 1)
-    if nu.use_cyclic_u:
-        calcknots(knots, nu.point_count_u, nu.order_u, 0)
-        makecyclicknots(knots, nu.point_count_u, nu.order_u)
-    else:
-        calcknots(knots, nu.point_count_u, nu.order_u, flag)
-    return knots
-
-
-def calcknots(knots, pnts, order, flag):
-    pnts_order = pnts + order
-    if flag == 1:
-        k = 0.0
-        for a in range(1, pnts_order + 1):
-            knots[a - 1] = k
-            if a >= order and a <= pnts:
-                k += 1.0
-    elif flag == 2:
-        if order == 4:
-            k = 0.34
-            for a in range(pnts_order):
-                knots[a] = math.floor(k)
-                k += 1.0 / 3.0
-        elif order == 3:
-            k = 0.6
-            for a in range(pnts_order):
-                if a >= order and a <= pnts:
-                    k += 0.5
-                    knots[a] = math.floor(k)
-    else:
-        for a in range(pnts_order):
-            knots[a] = a
-
-
-def makecyclicknots(knots, pnts, order):
-    order2 = order - 1
-
-    if order > 2:
-        b = pnts + order2
-        for a in range(1, order2):
-            if knots[b] != knots[b - a]:
-                break
-
-            if a == order2:
-                knots[pnts + order - 2] += 1.0
-
-    b = order
-    c = pnts + order + order2
-    for a in range(pnts + order2, c):
-        knots[a] = knots[a - 1] + (knots[b] - knots[b - 1])
-        b -= 1
@@ -1,5 +0,0 @@
-import bpy, bmesh, struct
-
-
-def export_default(blender_object, scale=1.0):
-    return None
@@ -1,5 +0,0 @@
-import bpy, bmesh, struct
-
-
-def export_empty(blender_object, data, scale=1.0):
-    return None
@@ -1,45 +0,0 @@
-import bpy, bmesh, struct
-
-import base64, hashlib
-from time import strftime, gmtime
-
-from specklepy.objects.geometry import Mesh, Interval, Box
-
-
-def export_mesh(blender_object, data, scale=1.0):
-    if data.loop_triangles is None or len(data.loop_triangles) < 1:
-        data.calc_loop_triangles()
-
-    mat = blender_object.matrix_world
-
-    verts = [tuple(mat @ x.co * scale) for x in data.vertices]
-
-    # TODO: add n-gon support, using tessfaces for now
-    # faces = [x.vertices for x in data.loop_triangles]
-    faces = [p.vertices for p in data.polygons]
-    unit_system = bpy.context.scene.unit_settings.system
-
-    sm = Mesh(
-        name=blender_object.name,
-        vertices=list(sum(verts, ())),
-        faces=[],
-        colors=[],
-        textureCoordinates=[],
-        units="m" if unit_system == "METRIC" else "ft",
-        bbox=Box(area=0.0, volume=0.0),
-    )
-
-    if data.uv_layers.active:
-        for vt in data.uv_layers.active.data:
-            sm.textureCoordinates.extend([vt.uv.x, vt.uv.y])
-
-    for f in faces:
-        if len(f) == 3:
-            sm.faces.append(0)
-        elif len(f) == 4:
-            sm.faces.append(1)
-        else:
-            continue
-        sm.faces.extend(f)
-
-    return [sm]
@@ -1,7 +1,31 @@
-from typing import Tuple
+import math
+from typing import Any, Optional, Tuple
+from bmesh.types import BMesh
+import bpy, struct, idprop
+
+from specklepy.objects.base import Base
+from specklepy.objects.geometry import Circle, Mesh, Ellipse
+from specklepy.objects.other import RenderMaterial
+from bpy_speckle.functions import _report
+from bpy.types import Material, Object
+
+IGNORED_PROPERTY_KEYS = {
+    "id",
+    "elements",
+    "displayMesh",
+    "displayValue",
+    "speckle_type",
+    "parameters",
+    "faces",
+    "colors",
+    "vertices",
+    "renderMaterial",
+    "textureCoordinates",
+    "totalChildrenCount"
+}


-def to_rgba(argb_int: int) -> Tuple[float]:
+def to_rgba(argb_int: int) -> Tuple[float, float, float, float]:
    """Converts the int representation of a colour into a percent RGBA tuple"""
    alpha = ((argb_int >> 24) & 255) / 255
    red = ((argb_int >> 16) & 255) / 255
@@ -11,9 +35,397 @@ def to_rgba(argb_int: int) -> Tuple[float]:
    return (red, green, blue, alpha)


-def to_argb_int(diffuse_colour) -> int:
+def to_argb_int(rgba_color: list[float]) -> int:
    """Converts an RGBA array to an ARGB integer"""
-    diffuse_colour = diffuse_colour[-1:] + diffuse_colour[0:3]
-    diffuse_colour = [int(val * 255) for val in diffuse_colour]
+    argb_color = rgba_color[-1:] + rgba_color[:3]
+    int_color = [int(val * 255) for val in argb_color]

-    return int.from_bytes(diffuse_colour, byteorder="big", signed=True)
+    return int.from_bytes(int_color, byteorder="big", signed=True)
+
+def set_custom_property(key: str, value: Any, blender_object: Object) -> None:
+    try:
+        #Expected c types: float, int, string, float[], int[]
+        blender_object[key] = value
+    except (OverflowError, TypeError) as ex:
+        print(f"Skipping setting property ({key}={value}) on {blender_object.name_full}, Reason: {ex}")
+    except Exception as ex:
+        #TODO: Log this as it's unexpected!!!
+        print(f"Skipping setting property ({key}={value}) on {blender_object.name_full}, Reason: {ex}")
+
+def add_custom_properties(speckle_object: Base, blender_object: Object):
+    if blender_object is None:
+        return
+
+    blender_object["_speckle_type"] = type(speckle_object).__name__
+
+    app_id = getattr(speckle_object, "applicationId", None)
+    if app_id:
+        blender_object["applicationId"] = speckle_object.applicationId
+    keys = speckle_object.get_dynamic_member_names() if "Geometry" in speckle_object.speckle_type else (set(speckle_object.get_member_names()) - IGNORED_PROPERTY_KEYS)
+    for key in keys:
+        val = getattr(speckle_object, key, None)
+        if val is None:
+            continue
+
+        if isinstance(val, (int, str, float)):
+            set_custom_property(key, val, blender_object)
+        elif key == "properties" and isinstance(val, Base):
+            val["applicationId"] = None
+            add_custom_properties(val, blender_object)
+        elif isinstance(val, list):
+            items = [item for item in val if not isinstance(item, Base)]
+            if items:
+                set_custom_property(key, items, blender_object)
+        elif isinstance(val,dict):
+            for (k,v) in val.items():
+                if not isinstance(v, Base):
+                    set_custom_property(k, v, blender_object)
+
+
+def render_material_to_native(speckle_mat: RenderMaterial) -> Material:
+    
+    mat_name = speckle_mat.name
+    if not mat_name:
+        mat_name = speckle_mat.applicationId or speckle_mat.id or speckle_mat.get_id()
+
+    blender_mat = bpy.data.materials.get(mat_name)
+    if blender_mat is None:
+        blender_mat = bpy.data.materials.new(mat_name)
+
+        # for now, we're not updating these materials. as per tom's suggestion, we should have a toggle
+        # that enables this as the blender mats will prob be much more complex than whatever is coming in
+        blender_mat.use_nodes = True
+        inputs = blender_mat.node_tree.nodes["Principled BSDF"].inputs
+
+        inputs["Base Color"].default_value = to_rgba(speckle_mat.diffuse)
+        inputs["Emission"].default_value = to_rgba(speckle_mat.emissive)
+        inputs["Roughness"].default_value = speckle_mat.roughness
+        inputs["Metallic"].default_value = speckle_mat.metalness
+        inputs["Alpha"].default_value = speckle_mat.opacity
+
+    if speckle_mat.opacity < 1.0:
+        blender_mat.blend_method = "BLEND"
+
+    return blender_mat
+
+def get_render_material(speckle_object: Base) -> Optional[RenderMaterial]:
+    """Trys to get a RenderMaterial on given speckle_object and convert it to a blender material"""
+
+    speckle_mat = getattr(
+        speckle_object,
+        "renderMaterial",
+        getattr(speckle_object, "@renderMaterial", None),
+    )
+    if not isinstance(speckle_mat, RenderMaterial):
+        return None
+
+    return speckle_mat
+    
+
+
+def add_vertices(speckle_mesh: Mesh, blender_mesh: BMesh, scale=1.0):
+    sverts = speckle_mesh.vertices
+
+    if sverts and len(sverts) > 0:
+        for i in range(0, len(sverts), 3):
+            blender_mesh.verts.new(
+                (
+                    float(sverts[i]) * scale,
+                    float(sverts[i + 1]) * scale,
+                    float(sverts[i + 2]) * scale,
+                )
+            )
+
+
+
+def add_faces(speckle_mesh: Mesh, blender_mesh: BMesh, indexOffset: int, materialIndex: int = 0, smooth:bool = True):
+    sfaces = speckle_mesh.faces
+    
+    if sfaces and len(sfaces) > 0:
+        i = 0
+        while i < len(sfaces):
+            n = sfaces[i]
+            if n < 3:
+                n += 3  # 0 -> 3, 1 -> 4
+
+            i += 1
+            try:
+                f = blender_mesh.faces.new(
+                    [blender_mesh.verts[x + indexOffset] for x in sfaces[i : i + n]]
+                )
+                f.material_index = materialIndex
+                f.smooth = smooth
+            except Exception as e:
+                _report(f"Failed to create face for mesh {speckle_mesh.id} \n{e}")
+            i += n
+
+
+def add_colors(speckle_mesh: Mesh, blender_mesh: BMesh):
+
+    scolors = speckle_mesh.colors
+
+    if scolors:
+        colors = []
+        if len(scolors) > 0:
+
+            for i in range(len(scolors)):
+                col = int(scolors[i])
+                (a, r, g, b) = [
+                    int(x) for x in struct.unpack("!BBBB", struct.pack("!i", col))
+                ]
+                colors.append(
+                    (
+                        float(r) / 255.0,
+                        float(g) / 255.0,
+                        float(b) / 255.0,
+                        float(a) / 255.0,
+                    )
+                )
+
+        # Make vertex colors
+        if len(scolors) == len(blender_mesh.verts):
+            color_layer = blender_mesh.loops.layers.color.new("Col")
+
+            for face in blender_mesh.faces:
+                for loop in face.loops:
+                    loop[color_layer] = colors[loop.vert.index]
+
+
+def add_uv_coords(speckle_mesh: Mesh, blender_mesh: BMesh):
+    s_uvs = speckle_mesh.textureCoordinates
+    if not s_uvs:
+        return
+    try:
+        uv = []
+
+        if len(s_uvs) // 2 == len(blender_mesh.verts):
+            uv.extend(
+                (float(s_uvs[i]), float(s_uvs[i + 1]))
+                for i in range(0, len(s_uvs), 2)
+            )
+        else:
+            _report(
+                f"Failed to match UV coordinates to vert data. Blender mesh verts: {len(blender_mesh.verts)}, Speckle UVs: {len(s_uvs) // 2}"
+            )
+            return
+
+        # Make UVs
+        uv_layer = blender_mesh.loops.layers.uv.verify()
+
+        for f in blender_mesh.faces:
+            for l in f.loops:
+                luv = l[uv_layer]
+                luv.uv = uv[l.vert.index]
+    except:
+        _report("Failed to decode texture coordinates.")
+        raise
+
+
+ignored_keys = {
+    "id",
+    "speckle",
+    "speckle_type"
+    "_speckle_type",
+    "_speckle_name",
+    "_speckle_transform",
+    "_RNA_UI",
+    "elements",
+    "transform",
+    "_units",
+    "_chunkable",
+}
+
+def get_blender_custom_properties(obj, max_depth: int = 1000):
+    if max_depth < 0:
+        return obj
+
+    if hasattr(obj, "keys"):
+        keys = set(obj.keys()) - ignored_keys
+        return {
+            key: get_blender_custom_properties(obj[key], max_depth - 1)
+            for key in keys
+            if not key.startswith("_")
+        }
+
+    if isinstance(obj, (list, tuple, idprop.types.IDPropertyArray)):
+        return [get_blender_custom_properties(o, max_depth - 1) for o in obj]
+    
+    return obj
+
+"""
+Python implementation of Blender's NURBS curve generation for to Speckle conversion
+from: https://blender.stackexchange.com/a/34276
+based on https://projects.blender.org/blender/blender/src/branch/main/source/blender/blenkernel/intern/curve.cc (check old version)
+"""
+
+def macro_knotsu(nu: bpy.types.Spline) -> int:
+    return nu.order_u + nu.point_count_u + (nu.order_u - 1 if nu.use_cyclic_u else 0)
+
+def macro_segmentsu(nu: bpy.types.Spline) -> int:
+    return nu.point_count_u if nu.use_cyclic_u else nu.point_count_u - 1
+
+def make_knots(nu: bpy.types.Spline) -> list[float]:
+    knots = [0.0] * macro_knotsu(nu)
+    flag = nu.use_endpoint_u + (nu.use_bezier_u << 1)
+    if nu.use_cyclic_u:
+        calc_knots(knots, nu.point_count_u, nu.order_u, 0)
+    else:
+        calc_knots(knots, nu.point_count_u, nu.order_u, flag)
+    return knots
+
+
+def calc_knots(knots: list[float], point_count: int, order: int, flag: int) -> None:
+    pts_order = point_count + order
+    if flag == 1: # CU_NURB_ENDPOINT
+        k = 0.0
+        for a in range(1, pts_order + 1):
+            knots[a - 1] = k
+            if a >= order and a <= point_count:
+                k += 1.0
+    elif flag == 2: # CU_NURB_BEZIER
+        if order == 4:
+            k = 0.34
+            for a in range(pts_order):
+                knots[a] = math.floor(k)
+                k += 1.0 / 3.0
+        elif order == 3:
+            k = 0.6
+            for a in range(pts_order):
+                if a >= order and a <= point_count:
+                    k += 0.5
+                    knots[a] = math.floor(k)
+    else:
+        for a in range(1, len(knots) - 1):
+            knots[a] = a - 1
+
+        knots[-1] = knots[-2]
+
+def basis_nurb(t: float, order: int, point_count: int, knots: list[float], basis: list[float], start: int, end: int) -> Tuple[int, int]:
+    i1 = i2 = 0
+    orderpluspnts = order + point_count
+    opp2 = orderpluspnts - 1
+
+    # this is for float inaccuracy
+    if t < knots[0]:
+        t = knots[0]
+    elif t > knots[opp2]:
+        t = knots[opp2]
+
+    # this part is order '1'
+    o2 = order + 1
+    for i in range(opp2):
+        if knots[i] != knots[i + 1] and t >= knots[i] and t <= knots[i + 1]:
+            basis[i] = 1.0
+            i1 = i - o2
+            if i1 < 0:
+                i1 = 0
+            i2 = i
+            i += 1
+            while i < opp2:
+                basis[i] = 0.0
+                i += 1
+            break
+
+        else:
+            basis[i] = 0.0
+
+    basis[i] = 0.0
+
+    # this is order 2, 3, ...
+    for j in range(2, order + 1):
+
+        if i2 + j >= orderpluspnts:
+            i2 = opp2 - j
+
+        for i in range(i1, i2 + 1):
+            if basis[i] != 0.0:
+                d = ((t - knots[i]) * basis[i]) / (knots[i + j - 1] - knots[i])
+            else:
+                d = 0.0
+
+            if basis[i + 1] != 0.0:
+                e = ((knots[i + j] - t) * basis[i + 1]) / (knots[i + j] - knots[i + 1])
+            else:
+                e = 0.0
+
+            basis[i] = d + e
+
+    start = 1000
+    end = 0
+
+    for i in range(i1, i2 + 1):
+        if basis[i] > 0.0:
+            end = i
+            if start == 1000:
+                start = i
+
+    return start, end
+
+def nurb_make_curve(nu: bpy.types.Spline, resolu: int, stride: int = 3) -> list[float]:
+    """"BKE_nurb_makeCurve"""
+    EPS = 1e-6
+    coord_index = istart = iend = 0
+
+    coord_array = [0.0] * (3 * nu.resolution_u * macro_segmentsu(nu))
+    sum_array = [0] * nu.point_count_u
+    basisu = [0.0] * macro_knotsu(nu)
+    knots = make_knots(nu)
+
+    resolu = resolu * macro_segmentsu(nu)
+    ustart = knots[nu.order_u - 1]
+    uend   = knots[nu.point_count_u + nu.order_u - 1] if nu.use_cyclic_u else \
+             knots[nu.point_count_u]
+    ustep  = (uend - ustart) / (resolu - (0 if nu.use_cyclic_u else 1))
+    cycl = nu.order_u - 1 if nu.use_cyclic_u else 0
+
+    u = ustart
+    while resolu:
+        resolu -= 1
+        istart, iend = basis_nurb(u, nu.order_u, nu.point_count_u + cycl, knots, basisu, istart, iend)
+
+        #/* calc sum */
+        sumdiv = 0.0
+        sum_index = 0
+        pt_index = istart - 1
+        for i in range(istart, iend + 1):
+            if i >= nu.point_count_u:
+                pt_index = i - nu.point_count_u
+            else:
+                pt_index += 1
+
+            sum_array[sum_index] = basisu[i] * nu.points[pt_index].co[3]
+            sumdiv += sum_array[sum_index]
+            sum_index += 1
+
+        if (sumdiv != 0.0) and (sumdiv < 1.0 - EPS or sumdiv > 1.0 + EPS):
+            sum_index = 0
+            for i in range(istart, iend + 1):
+                sum_array[sum_index] /= sumdiv
+                sum_index += 1
+
+        coord_array[coord_index: coord_index + 3] = (0.0, 0.0, 0.0)
+
+        sum_index = 0
+        pt_index = istart - 1
+        for i in range(istart, iend + 1):
+            if i >= nu.point_count_u:
+                pt_index = i - nu.point_count_u
+            else:
+                pt_index += 1
+
+            if sum_array[sum_index] != 0.0:
+                for j in range(3):
+                    coord_array[coord_index + j] += sum_array[sum_index] * nu.points[pt_index].co[j]
+            sum_index += 1
+
+        coord_index += stride
+        u += ustep
+
+    return coord_array
+
+def link_object_to_collection_nested(obj: bpy.types.Object, col: bpy.types.Collection):
+    if obj.name not in col.objects:
+        col.objects.link(obj)
+
+    for child in obj.children:
+        link_object_to_collection_nested(child, col)
@@ -1,4 +1,3 @@
-from specklepy.api.client import SpeckleClient
 from bpy_speckle.clients import speckle_clients

 """
@@ -34,7 +33,7 @@ def _report(msg):
    print("SpeckleBlender: {}".format(msg))


-def get_scale_length(units):
+def get_scale_length(units: str) -> float:
    if units.lower() in unit_scale.keys():
        return unit_scale[units]
    _report("Units <{}> are not supported.".format(units))
@@ -71,34 +70,3 @@ def _check_speckle_client_user_stream(scene):
        print("Account contains no streams.")

    return (user, stream)
-
-
-def _create_stream(user, stream_name, units="Millimeters"):
-    """
-    Create a new stream
-    """
-
-    # TODO: double-check, but this should not be accessible through the UI if
-    # there aren't any active users anyway
-    # user = context.scene.speckle.users[int(context.scene.speckle.active_user)]
-    client = speckle_clients[int(bpy.context.scene.speckle.active_user)]
-    return client.stream.create(
-        name=stream_name, description="This is a Blender stream.", is_public=True
-    )
-
-    # TODO: Update stream with properties such as units, etc.
-
-
-def _delete_stream(client, user, stream):
-    """
-    Delete the active stream
-    TODO: probably doesn't need to be a separate function and can be
-    folded into the operator
-    """
-
-    user = context.scene.speckle.users[int(context.scene.speckle.active_user)]
-    client = speckle_clients[int(context.scene.speckle.active_user)]
-
-    if stream:
-        res = client.streams.delete(stream.id)
-        _report(res["message"])
@@ -1,104 +0,0 @@
-import os, sys, bpy
-import ctypes, sys
-
-import os, sys
-
-
-def modules_path():
-    # set up addons/modules under the user
-    # script path. Here we'll install the
-    # dependencies
-    modulespath = os.path.normpath(
-        os.path.join(bpy.utils.script_path_user(), "addons", "modules")
-    )
-    if not os.path.exists(modulespath):
-        os.makedirs(modulespath)
-
-    # set user modules path at beginning of paths for earlier hit
-    if sys.path[1] != modulespath:
-        sys.path.insert(1, modulespath)
-
-    return modulespath
-
-
-def install_dependencies():
-    import sys
-    import os
-
-    try:
-        try:
-            import pip
-        except:
-            print("Installing pip... "),
-            from subprocess import run as sprun
-
-            res = sprun([bpy.app.binary_path_python, "-m", "ensurepip"])
-
-            if res.returncode == 0:
-                import pip
-            else:
-                raise Exception("Failed to install pip.")
-
-        modulespath = modules_path()
-
-        if not os.path.exists(modulespath):
-            os.makedirs(modulespath)
-
-        print("Installing speckle to {}... ".format(modulespath)),
-        from subprocess import run as sprun
-
-        res = sprun(
-            [
-                bpy.app.binary_path_python,
-                "-m",
-                "pip",
-                "install",
-                "-q",
-                "-t",
-                "{}".format(modulespath),
-                "--no-deps",
-                "pydantic",
-            ]
-        )
-        res = sprun(
-            [
-                bpy.app.binary_path_python,
-                "-m",
-                "pip",
-                "install",
-                "-q",
-                "-t",
-                "{}".format(modulespath),
-                "specklepy",
-            ]
-        )
-
-    except:
-        raise Exception(
-            "Failed to install dependencies. Please make sure you have pip installed."
-        )
-
-
-if __name__ == "__main__":
-    try:
-        import specklepy
-    except:
-        print("Failed to load speckle.")
-        from sys import platform
-
-        if platform == "win32":
-            if ctypes.windll.shell32.IsUserAnAdmin():
-                install_dependencies()
-                import specklepy
-            else:
-                ctypes.windll.shell32.ShellExecuteW(
-                    None, "runas", sys.executable, __file__, None, 1
-                )
-
-        else:
-            print(
-                "Platform {} cannot automatically install dependencies.".format(
-                    platform
-                )
-            )
-            raise
@@ -0,0 +1,207 @@
+"""
+Provides uniform and consistent path helpers for `specklepy`
+"""
+import os
+import sys
+from pathlib import Path
+from typing import Optional
+from importlib import import_module, invalidate_caches
+
+_user_data_env_var = "SPECKLE_USERDATA_PATH"
+
+
+def _path() -> Optional[Path]:
+    """Read the user data path override setting."""
+    path_override = os.environ.get(_user_data_env_var)
+    if path_override:
+        return Path(path_override)
+    return None
+
+
+_application_name = "Speckle"
+
+
+def override_application_name(application_name: str) -> None:
+    """Override the global Speckle application name."""
+    global _application_name
+    _application_name = application_name
+
+
+def override_application_data_path(path: Optional[str]) -> None:
+    """
+    Override the global Speckle application data path.
+
+    If the value of path is `None` the environment variable gets deleted.
+    """
+    if path:
+        os.environ[_user_data_env_var] = path
+    else:
+        os.environ.pop(_user_data_env_var, None)
+
+
+def _ensure_folder_exists(base_path: Path, folder_name: str) -> Path:
+    path = base_path.joinpath(folder_name)
+    path.mkdir(exist_ok=True, parents=True)
+    return path
+
+
+def user_application_data_path() -> Path:
+    """Get the platform specific user configuration folder path"""
+    path_override = _path()
+    if path_override:
+        return path_override
+
+    try:
+        if sys.platform.startswith("win"):
+            app_data_path = os.getenv("APPDATA")
+            if not app_data_path:
+                raise Exception(
+                    "Cannot get appdata path from environment."
+                )
+            return Path(app_data_path)
+        else:
+            # try getting the standard XDG_DATA_HOME value
+            # as that is used as an override
+            app_data_path = os.getenv("XDG_DATA_HOME")
+            if app_data_path:
+                return Path(app_data_path)
+            else:
+                return _ensure_folder_exists(Path.home(), ".config")
+    except Exception as ex:
+        raise Exception(
+            "Failed to initialize user application data path.", ex
+        )
+
+
+def user_speckle_folder_path() -> Path:
+    """Get the folder where the user's Speckle data should be stored."""
+    return _ensure_folder_exists(user_application_data_path(), _application_name)
+
+
+def user_speckle_connector_installation_path(host_application: str) -> Path:
+    """
+    Gets a connector specific installation folder.
+
+    In this folder we can put our connector installation and all python packages.
+    """
+    return _ensure_folder_exists(
+        _ensure_folder_exists(user_speckle_folder_path(), "connector_installations"),
+        host_application,
+    )
+
+
+
+
+
+
+print("Starting module dependency installation")
+print(sys.executable)
+
+PYTHON_PATH = sys.executable
+
+
+
+def connector_installation_path(host_application: str) -> Path:
+    connector_installation_path = user_speckle_connector_installation_path(host_application)
+    connector_installation_path.mkdir(exist_ok=True, parents=True)
+
+    # set user modules path at beginning of paths for earlier hit
+    if sys.path[0] != connector_installation_path:
+        sys.path.insert(0, str(connector_installation_path))
+
+    print(f"Using connector installation path {connector_installation_path}")
+    return connector_installation_path
+
+
+
+def is_pip_available() -> bool:
+    try:
+        import_module("pip")  # noqa F401
+        return True
+    except ImportError:
+        return False
+
+
+def ensure_pip() -> None:
+    print("Installing pip... ")
+
+    from subprocess import run
+
+    completed_process = run([PYTHON_PATH, "-m", "ensurepip"])
+
+    if completed_process.returncode == 0:
+        print("Successfully installed pip")
+    else:
+        raise Exception(f"Failed to install pip, got {completed_process.returncode} return code")
+
+
+def get_requirements_path() -> Path:
+    # we assume that a requirements.txt exists next to the __init__.py file
+    path = Path(Path(__file__).parent, "requirements.txt")
+    assert path.exists()
+    return path
+
+
+def install_requirements(host_application: str) -> None:
+    # set up addons/modules under the user
+    # script path. Here we'll install the
+    # dependencies
+    path = connector_installation_path(host_application)
+    print(f"Installing Speckle dependencies to {path}")
+
+    from subprocess import run
+
+    completed_process = run(
+        [
+            PYTHON_PATH,
+            "-m",
+            "pip",
+            "install",
+            "-t",
+            str(path),
+            "-r",
+            str(get_requirements_path()),
+        ],
+        capture_output=True,
+        text=True,
+    )
+
+    if completed_process.returncode != 0:
+        m = f"Failed to install dependenices through pip, got {completed_process.returncode} return code"
+        print(m)
+        raise Exception(m)
+
+
+def install_dependencies(host_application: str) -> None:
+    if not is_pip_available():
+        ensure_pip()
+
+    install_requirements(host_application)
+
+
+def _import_dependencies() -> None:
+    import_module("specklepy")
+    # the code above doesn't work for now, it fails on importing graphql-core
+    # despite that, the connector seams to be working as expected
+    # But it would be nice to make this solution work
+    # it would ensure that all dependencies are fully loaded  
+    # requirements = get_requirements_path().read_text()
+    # reqs = [
+    #     req.split(" ; ")[0].split("==")[0].split("[")[0].replace("-", "_")
+    #     for req in requirements.split("\n")
+    #     if req and not req.startswith(" ")
+    # ]
+    # for req in reqs:
+    #     print(req)
+    #     import_module("specklepy")
+
+def ensure_dependencies(host_application: str) -> None:
+    try:
+        install_dependencies(host_application)
+        invalidate_caches()
+        _import_dependencies()
+        print("Successfully found dependencies")
+    except ImportError:
+        raise Exception(f"Cannot automatically ensure Speckle dependencies. Please try restarting the host application {host_application}!")
+
+
@@ -1,9 +1,8 @@
-from .users import LoadUsers, LoadUserStreams
+from .users import LoadUsers, LoadUserStreams, ResetUsers
 from .object import (
    UpdateObject,
    ResetObject,
    DeleteObject,
-    UploadObject,
    UploadNgonsAsPolylines,
    SelectIfSameCustomProperty,
    SelectIfHasCustomProperty,
@@ -28,6 +27,7 @@ from .misc import OpenSpeckleGuide, OpenSpeckleTutorials, OpenSpeckleForum

 operator_classes = [
    LoadUsers,
+    ResetUsers,
    ReceiveStreamObjects,
    SendStreamObjects,
    LoadUserStreams,
@@ -43,7 +43,6 @@ operator_classes.extend(
        UpdateObject,
        ResetObject,
        DeleteObject,
-        UploadObject,
        UploadNgonsAsPolylines,
        SelectIfSameCustomProperty,
        SelectIfHasCustomProperty,
@@ -1,29 +1,17 @@
 """
 Commit operators
 """
-import bpy, os
-from bpy.props import (
-    StringProperty,
-    BoolProperty,
-    FloatProperty,
-    CollectionProperty,
-    EnumProperty,
-)
-
-from bpy_speckle.functions import (
-    _check_speckle_client_user_stream,
-    _create_stream,
-    get_scale_length,
-    _report,
-)
-
-from bpy_speckle.convert import from_speckle_object
+import bpy
+from bpy.props import BoolProperty
+from bpy_speckle.functions import _check_speckle_client_user_stream, _report
 from bpy_speckle.clients import speckle_clients
+from bpy_speckle.properties.scene import SpeckleSceneSettings


 class DeleteCommit(bpy.types.Operator):
    """
-    Delete stream
+    Deletes the selected commit from the selected stream.
+    To execute from code, call: `bpy.ops.speckle.delete_commit(are_you_sure=True)`
    """

    bl_idname = "speckle.delete_commit"
@@ -32,7 +20,8 @@ class DeleteCommit(bpy.types.Operator):
    bl_description = "Delete active commit permanently"

    are_you_sure: BoolProperty(
-        name="Confirm", default=False,
+        name="Confirm",
+        default=False,
    )

    def draw(self, context):
@@ -50,36 +39,39 @@ class DeleteCommit(bpy.types.Operator):
    def execute(self, context):

        if not self.are_you_sure:
+            _report(f"{self.bl_idname}: cancelled by user")
            return {"CANCELLED"}

        self.are_you_sure = False

-        speckle = context.scene.speckle
+        speckle: SpeckleSceneSettings = context.scene.speckle

-        check = _check_speckle_client_user_stream(context.scene)
-        if check is None:
+        user = speckle.get_active_user()
+        if user is None:
+            print(f"{self.bl_idname}: failed - No user selected/found")
            return {"CANCELLED"}

-        user, stream = check
-        client = speckle_clients[int(context.scene.speckle.active_user)]
-
-        stream = user.streams[user.active_stream]
-        if len(stream.branches) < 1:
+        stream = user.get_active_stream()
+        if stream is None:
+            print(f"{self.bl_idname}: failed - No stream selected/found")
            return {"CANCELLED"}
-        else:
-            branch = stream.branches[int(stream.branch)]
-            if len(branch.commits) < 1:
-                return {"CANCELLED"}
-            else:
-                commit = branch.commits[int(branch.commit)]

-                deleted = client.commit.delete(stream_id=stream.id, commit_id=commit.id)
+        branch = stream.get_active_branch()
+        if branch is None:
+            print(f"{self.bl_idname}: failed - No branch selected/found")
+            return {"CANCELLED"}

-        return {"FINISHED"}
-
-        bpy.ops.speckle.load_user_streams()
-        context.view_layer.update()
-
-        if context.area:
-            context.area.tag_redraw()
+        commit = branch.get_active_commit()
+        if commit is None:
+            print(f"{self.bl_idname}: failed - No commit selected/found")
+            return {"CANCELLED"}
+
+        client = speckle_clients[int(speckle.active_user)]
+
+        deleted = client.commit.delete(stream_id=stream.id, commit_id=commit.id)
+        if not deleted:
+            print(f"{self.bl_idname}: failed - Delete operation failed")
+            return {"CANCELLED"}
+
+        print(f"{self.bl_idname}: succeeded - commit {commit.id} ({commit.message}) has been deleted from stream {stream.id}")
        return {"FINISHED"}
@@ -2,19 +2,13 @@
 Object operators
 """

-import bpy, bmesh, os
-from bpy.props import (
-    StringProperty,
-    BoolProperty,
-    FloatProperty,
-    CollectionProperty,
-    EnumProperty,
+import bpy
+from bpy.props import BoolProperty, EnumProperty
+from deprecated import deprecated
+from bpy_speckle.convert.to_speckle import (
+    convert_to_speckle,
+    ngons_to_speckle_polylines,
 )
-
-from specklepy.api.client import SpeckleClient
-from bpy_speckle.convert import to_speckle_object
-from bpy_speckle.convert.to_speckle import export_ngons_as_polylines
-
 from bpy_speckle.functions import get_scale_length, _report
 from bpy_speckle.clients import speckle_clients

@@ -35,7 +29,6 @@ class UpdateObject(bpy.types.Operator):
    def execute(self, context):
        user = context.scene.speckle.users[int(context.scene.speckle.active_user)]
        client = speckle_clients[int(context.scene.speckle.active_user)]
-        stream = user.streams[user.active_stream]

        active = context.active_object
        _report(active)
@@ -58,7 +51,7 @@ class UpdateObject(bpy.types.Operator):
                    stream_units
                )

-                sm = to_speckle_object(active, scale)
+                sm = convert_to_speckle(active, scale)

                _report("Updating object {}".format(sm["_id"]))
                client.objects.update(active.speckle.object_id, sm)
@@ -99,8 +92,6 @@ class DeleteObject(bpy.types.Operator):
    bl_options = {"REGISTER", "UNDO"}

    def execute(self, context):
-
-        user = context.scene.speckle.users[int(context.scene.speckle.active_user)]
        client = speckle_clients[int(context.scene.speckle.active_user)]
        active = context.object
        if active.speckle.enabled:
@@ -112,13 +103,11 @@ class DeleteObject(bpy.types.Operator):
            ]
            if existing is None:
                return {"CANCELLED"}
-            # print("Existing: %s" % SpeckleResource.to_json_pretty(existing))
            new_objects = [
                x
                for x in res["resource"]["objects"]
                if x["_id"] != active.speckle.object_id
            ]
-            # print (SpeckleResource.to_json_pretty(new_objects))

            res = client.GetLayers(active.speckle.stream_id)
            new_layers = res["resource"]["layers"]
@@ -138,7 +127,7 @@ class DeleteObject(bpy.types.Operator):

        return {"FINISHED"}

-
+@deprecated
 class UploadNgonsAsPolylines(bpy.types.Operator):
    """
    Upload mesh ngon faces as polyline outlines
@@ -162,11 +151,12 @@ class UploadNgonsAsPolylines(bpy.types.Operator):
            client = speckle_clients[int(context.scene.speckle.active_user)]
            stream = user.streams[user.active_stream]

-            scale = context.scene.unit_settings.scale_length / get_scale_length(
-                stream.units
-            )
+            # scale = context.scene.unit_settings.scale_length / get_scale_length(
+            #     stream.units
+            # )
+            scale = 1.0

-            sp = export_ngons_as_polylines(active, scale)
+            sp = ngons_to_speckle_polylines(active, scale)

            if sp is None:
                return {"CANCELLED"}
@@ -175,16 +165,12 @@ class UploadNgonsAsPolylines(bpy.types.Operator):
            for polyline in sp:

                res = client.objects.create([polyline])
-                print(res)

                if res is None:
                    _report(client.me)
                    continue
                placeholders.extend(res)

-                # polyline['_id'] = res['_id']
-                # placeholders.append({'type':'Placeholder', '_id':res['_id']})
-
            if not placeholders:
                return {"CANCELLED"}

@@ -222,58 +208,6 @@ class UploadNgonsAsPolylines(bpy.types.Operator):
        layout.prop(self, "clear_stream")


-class UploadObject(bpy.types.Operator):
-    """
-    DEPRECATED
-    Upload an individual object
-    """
-
-    bl_idname = "speckle.upload_object"
-    bl_label = "Upload Object"
-    bl_options = {"REGISTER", "UNDO"}
-
-    def execute(self, context):
-
-        active = context.active_object
-        if active is not None:
-            user = context.scene.speckle.users[int(context.scene.speckle.active_user)]
-            client = speckle_clients[int(context.scene.speckle.active_user)]
-            stream = user.streams[user.active_stream]
-
-            scale = context.scene.unit_settings.scale_length / get_scale_length(
-                stream.units
-            )
-
-            sm = to_speckle_object(active, scale)
-
-            placeholders = client.objects.create([sm])
-            if placeholders is None:
-                return {"CANCELLED"}
-
-            sstream = client.streams.get(stream.id)
-            sstream.objects.extend(placeholders)
-
-            N = sstream.layers[-1].objectCount
-            sstream.layers[-1].objectCount = N + 1
-            sstream.layers[-1].topology = "0-%s" % (N + 1)
-
-            _report("Updating stream %s" % stream.id)
-
-            res = client.streams.update(stream["id"], sstream)
-
-            _report(res)
-
-            active.speckle.enabled = True
-            active.speckle.object_id = sm.id
-            active.speckle.stream_id = stream.id
-            active.speckle.send_or_receive = "send"
-
-            context.view_layer.update()
-            _report("Done.")
-
-        return {"FINISHED"}
-
-
 def get_custom_speckle_props(self, context):
    ignore = ["speckle", "cycles", "cycles_visibility"]

@@ -2,40 +2,45 @@
 Stream operators
 """
 from itertools import chain
-from typing import Dict
-import bpy, bmesh, os
+from math import radians
+from typing import Callable, Dict, Iterable, Optional
+import bpy
+from bpy_speckle.convert.util import link_object_to_collection_nested
+from bpy_speckle.properties.scene import SpeckleSceneSettings
 from specklepy.api.models import Commit
 import webbrowser
 from bpy.props import (
    StringProperty,
    BoolProperty,
-    FloatProperty,
-    CollectionProperty,
    EnumProperty,
 )
+from bpy.types import Context, Object
+from bpy_speckle.convert.to_native import (
+    can_convert_to_native,
+    convert_to_native,
+    set_convert_instances_as,
+)
+from bpy_speckle.convert.to_speckle import (
+    convert_to_speckle,
+)
 from bpy_speckle.functions import (
    _check_speckle_client_user_stream,
-    _create_stream,
    get_scale_length,
    _report,
 )
-from bpy_speckle.convert import to_speckle_object, get_speckle_subobjects
-from bpy_speckle.convert.to_speckle import export_ngons_as_polylines
-
-from bpy_speckle.convert import from_speckle_object
 from bpy_speckle.clients import speckle_clients
 from bpy_speckle.operators.users import add_user_stream

-from specklepy.api import operations
-from specklepy.api.credentials import StreamWrapper
+from specklepy.api import operations, host_applications
+from specklepy.api.wrapper import StreamWrapper
 from specklepy.api.resources.stream import Stream
 from specklepy.transports.server import ServerTransport
-from specklepy.objects import Base
 from specklepy.objects.geometry import *
 from specklepy.logging.exceptions import SpeckleException
+from specklepy.logging import metrics


-def get_objects_collections(base) -> Dict:
+def get_objects_collections(base: Base) -> Dict[str, list]:
    """Create collections based on the dynamic members on a root commit object"""
    collections = {}
    for name in base.get_dynamic_member_names():
@@ -50,9 +55,11 @@ def get_objects_collections(base) -> Dict:
    return collections


-def get_objects_nested_lists(items, parent_col=None) -> List:
+def get_objects_nested_lists(items: list, parent_col: Optional[bpy.types.Collection] = None) -> List:
    """For handling the weird nested lists that come from Grasshopper"""
    objects = []
+    if not items:
+        return objects

    if isinstance(items[0], list):
        items = list(chain.from_iterable(items))
@@ -67,15 +74,10 @@ def get_objects_nested_lists(items, parent_col=None) -> List:
    return objects


-def get_objects_collections_recursive(base, parent_col=None) -> List:
+def get_objects_collections_recursive(base: Base, parent_col: Optional[bpy.types.Collection] = None) -> List:
    """Recursively create collections based on the dynamic members on nested `Base` objects within the root commit object"""
    # if it's a convertable (registered) class and not just a plain `Base`, return the object itself
-    object_type = Base.get_registered_type(base.speckle_type)
-    if (
-        (object_type and object_type != Base)
-        or hasattr(base, "displayMesh")
-        or hasattr(base, "displayValue")
-    ):
+    if can_convert_to_native(base):
        return [base]

    # if it's an unknown type, try to drill further down to find convertable objects
@@ -84,20 +86,63 @@ def get_objects_collections_recursive(base, parent_col=None) -> List:
    for name in base.get_dynamic_member_names():
        value = base[name]
        if isinstance(value, list):
-            for item in value:
-                if isinstance(item, Base):
-                    objects.append(item)
+            objects.extend(item for item in value if isinstance(item, Base))
        if isinstance(value, Base):
            col = parent_col.children.get(name)
-            if not parent_col.children.get(name):
+            if not col:
                col = create_collection(name)
-                parent_col.children.link(col)
+                try:
+                    parent_col.children.link(col)
+                except:
+                    _report(
+                        f"Problem linking collection {col.name} to parent {parent_col.name}; skipping"
+                    )
            objects.append({name: get_objects_collections_recursive(value, col)})

    return objects


-def bases_to_native(context, collections, scale, stream_id, func=None):
+ObjectCallback = Optional[Callable[[bpy.types.Context, Object, Base], Object]]
+ReceiveCompleteCallback = Optional[Callable[[bpy.types.Context, Dict[str, Object]], None]]
+
+def get_receive_funcs(context: Context, created_objects: Dict[str, Object]) -> tuple[ObjectCallback, ReceiveCompleteCallback]:
+        """
+        Fetches the injected callback functions from user specified "Receive Script"
+        """
+
+        objectCallback: ObjectCallback = None
+        receiveCompleteCallback: ReceiveCompleteCallback = None
+        
+        if context.scene.speckle.receive_script in bpy.data.texts:
+            mod = bpy.data.texts[context.scene.speckle.receive_script].as_module()
+            if hasattr(mod, "execute_for_each"):
+                objectCallback = mod.execute_for_each
+            elif hasattr(mod, "execute"):
+                objectCallback = lambda c, o, _ : mod.execute(c.scene, o)
+
+            if hasattr(mod, "execute_for_all"):
+                receiveCompleteCallback = mod.execute_for_all
+
+
+        progress = 0
+        
+        def for_each_object(context: bpy.types.Context, obj: Object, base: Base) -> Object:
+            nonlocal progress
+            nonlocal created_objects   
+            nonlocal objectCallback   
+                 
+            progress += 1 #NOTE:XXX Progress bar never reaches 100 because func is only called for convertible objects
+            context.window_manager.progress_update(progress)
+            created_objects[obj.name] = obj
+
+            if objectCallback:
+                return objectCallback(context, obj, base)
+            else:
+                return obj
+
+        return (for_each_object, receiveCompleteCallback)
+
+def bases_to_native(context: bpy.types.Context, collections: Dict[str, list], scale: float, stream_id: str, func: ObjectCallback = None):
    for col_name, objects in collections.items():
        col = bpy.data.collections[col_name]
        existing = get_existing_collection_objs(col)
@@ -107,7 +152,7 @@ def bases_to_native(context, collections, scale, stream_id, func=None):
            for obj in objects:
                if isinstance(obj, dict):
                    bases_to_native(context, obj, scale, stream_id, func)
-                elif isinstance(obj, list):
+                elif isinstance(obj, list): #FIXME: wtf are these nested if statement, can this not be a recursive call?
                    for item in obj:
                        if isinstance(item, dict):
                            bases_to_native(context, item, scale, stream_id, func)
@@ -117,9 +162,10 @@ def bases_to_native(context, collections, scale, stream_id, func=None):
                            )
                elif isinstance(obj, Base):
                    base_to_native(context, obj, scale, stream_id, col, existing, func)
+
                else:
                    _report(
-                        f"Something went wrong when receiving collection: {col_name}"
+                        f"Something went wrong when receiving collection: {col_name}" #FIXME: undescript report message
                    )

            bpy.context.view_layer.update()
@@ -128,16 +174,26 @@ def bases_to_native(context, collections, scale, stream_id, func=None):
                context.area.tag_redraw()


-def base_to_native(context, base, scale, stream_id, col, existing, func=None):
-    new_objects = [from_speckle_object(base, scale)]

-    if hasattr(base, "properties") and base.properties is not None:
-        new_objects.extend(get_speckle_subobjects(base.properties, scale, base.id))
-    elif isinstance(base, dict) and "properties" in base.keys():
-        new_objects.extend(
-            get_speckle_subobjects(base["properties"], scale, base["id"])
-        )
+def base_to_native(context: bpy.types.Context,
+    base: Base,
+    scale: float,
+    stream_id: str,
+    col: bpy.types.Collection,
+    existing: Dict[str, Object],
+    func: ObjectCallback = None
+    ):

+    new_objects = convert_to_native(base)
+
+    #NOTE: this code is ancient, and in testing does nothing, so we are removing it.
+    # if hasattr(base, "properties") and base.properties is not None: 
+    #     new_objects.extend(get_speckle_subobjects(base.properties, scale, base.id))
+    # elif isinstance(base, dict) and "properties" in base.keys():
+    #     new_objects.extend(
+    #          get_speckle_subobjects(base["properties"], scale, base["id"])
+    #      )
+ 
    """
    Set object Speckle settings
    """
@@ -149,13 +205,12 @@ def base_to_native(context, base, scale, stream_id, col, existing, func=None):
        Run injected function
        """
        if func:
-            new_object = func(context.scene, new_object)
+            new_object = func(context, new_object, base) #this base object isn't always the right one for hosted elements! #TODO: may be it now, need to double check!

        if (
            new_object is None
-        ):  # Make sure that the injected function returned an object
-            new_obj = new_object
-            _report("Script '{}' returned None.".format(func.__module__))
+        ):  # If the injected function returned None, then we should ignore this object.
+            _report(f"Script '{func.__module__}' returned None.")
            continue

        new_object.speckle.stream_id = stream_id
@@ -163,15 +218,16 @@ def base_to_native(context, base, scale, stream_id, col, existing, func=None):

        if new_object.speckle.object_id in existing.keys():
            name = existing[new_object.speckle.object_id].name
-            existing[new_object.speckle.object_id].name = name + "__deleted"
+            existing[new_object.speckle.object_id].name = f"{name}__deleted"
            new_object.name = name
            col.objects.unlink(existing[new_object.speckle.object_id])

-        if new_object.name not in col.objects:
-            col.objects.link(new_object)
+        link_object_to_collection_nested(new_object, col)
+        #if new_object.name not in col.objects:
+            #col.objects.link(new_object)


-def create_collection(name, clear_collection=True):
+def create_collection(name: str, clear_collection=True) -> bpy.types.Collection:
    if name in bpy.data.collections:
        col = bpy.data.collections[name]
        if clear_collection:
@@ -183,19 +239,19 @@ def create_collection(name, clear_collection=True):
    return col


-def create_child_collections(parent_col, children_names):
+def create_child_collections(parent_col: bpy.types.Collection, children_names: Iterable[str]):
    for name in children_names:
        col = create_collection(name)
        parent_col.children.link(col)


-def get_existing_collection_objs(col):
+def get_existing_collection_objs(col: bpy.types.Collection) -> Dict[str, bpy.types.Object]:
    return {
        obj.speckle.object_id: obj for obj in col.objects if obj.speckle.object_id != ""
    }


-def get_collection_parents(collection, names):
+def get_collection_parents(collection: bpy.types.Collection, names: list[str]) -> None:
    for parent in bpy.data.collections:
        if collection.name in parent.children.keys():
            # TODO: this should be rethought to make it clear when this is an IFC delim so we know to replace it
@@ -204,7 +260,7 @@ def get_collection_parents(collection, names):
            get_collection_parents(parent, names)


-def get_collection_hierarchy(collection):
+def get_collection_hierarchy(collection: Optional[bpy.types.Collection]) -> list[str]:
    if not collection:
        return []
    names = [collection.name.replace("/", "::").replace(".", "::")]
@@ -213,7 +269,7 @@ def get_collection_hierarchy(collection):
    return names


-def create_nested_hierarchy(base, hierarchy, objects):
+def create_nested_hierarchy(base: Base, hierarchy: List[str], objects: Any):
    child = base

    while hierarchy:
@@ -223,13 +279,22 @@ def create_nested_hierarchy(base, hierarchy, objects):
            child.add_detachable_attrs({name})
        child = child[name]

-    # TODO: what do we call this attribute?
-    if not hasattr(child, "objects"):
-        child["objects"] = []
-    child["objects"].extend(objects)
+    if not hasattr(child, "@elements"):
+        child["@elements"] = []
+    child["@elements"].extend(objects)

    return base

+#RECEIVE_MODES = [#TODO: modes
+#    ("create", "Create", "Add new geometry, without removing any existing objects"),
+#    ("replace", "Replace", "Replace objects from previous receive operations from the same stream"),
+#    #("update","Update", "") #TODO: update mode!
+#]
+
+INSTANCES_SETTINGS = [
+    ("collection_instance", "Collection Instace", "Receive Instances as Collection Instances"),
+    ("linked_duplicates", "Linked Duplicates", "Receive Instances as Linked Duplicates"),
+]

 class ReceiveStreamObjects(bpy.types.Operator):
    """
@@ -241,50 +306,121 @@ class ReceiveStreamObjects(bpy.types.Operator):
    bl_options = {"REGISTER", "UNDO"}
    bl_description = "Receive objects from active stream"

+    
+    clean_meshes: BoolProperty(name="Clean Meshes", default=False)
+
+    #receive_mode: EnumProperty(items=RECEIVE_MODES, name="Receive Type", default="replace", description="The behaviour of the recieve operation")
+    receive_instances_as: EnumProperty(items=INSTANCES_SETTINGS, name="Receive Instances As", default="collection_instance", description="How to receive speckle Instances")
+    
+
+    def draw(self, context):
+        layout = self.layout
+        col = layout.column()
+        col.prop(self, "clean_meshes")
+        #col.prop(self, "receive_mode")
+        col.prop(self, "receive_instances_as")
+
+    def invoke(self, context, event):
+        return context.window_manager.invoke_props_dialog(self)
+
+    @staticmethod
+    def clean_converted_meshes(context: bpy.types.Context, convertedObjects: dict[str, Object]):
+        
+        bpy.ops.object.select_all(action='DESELECT')
+
+        active = None
+        for obj in convertedObjects.values():
+            if obj.type != 'MESH':
+                continue
+
+            obj.select_set(True, view_layer=context.scene.view_layers[0])
+            active = obj
+        
+
+        if active == None:
+            return
+        context.view_layer.objects.active = active
+
+        bpy.ops.object.mode_set(mode='EDIT')
+        bpy.ops.mesh.select_all(action='SELECT')
+        bpy.ops.mesh.remove_doubles()
+        bpy.ops.mesh.dissolve_limited(angle_limit=radians(0.1))
+
+        # Reset state to previous (not quite sure if this is 100% necessary)
+        bpy.ops.object.mode_set(mode='OBJECT')
+        bpy.ops.object.select_all(action='DESELECT')
+        bpy.context.view_layer.objects.active = None
+
    def execute(self, context):
        bpy.context.view_layer.objects.active = None

-        check = _check_speckle_client_user_stream(context.scene)
-        if check is None:
+        speckle: SpeckleSceneSettings = context.scene.speckle
+        
+        #Get UI Selection
+        user = speckle.get_active_user()
+        if not user:
+            print("No user selected/found")
            return {"CANCELLED"}

-        user, bstream = check
-
-        client = speckle_clients[int(context.scene.speckle.active_user)]
-
-        stream = client.stream.get(id=bstream.id)
-        if stream.branches.totalCount < 1:
+        stream = user.get_active_stream()
+        if not stream:
+            print("No stream selected/found")
            return {"CANCELLED"}

-        if not stream.branches:
+        branch = stream.get_active_branch()
+        if not branch:
+            print("No branch selected/found")
            return {"CANCELLED"}

-        branch = stream.branches.items[int(bstream.branch)]
-
-        bbranch = bstream.branches[int(bstream.branch)]
-
-        if branch.commits.totalCount < 1:
-            print("No commits found. Probably an empty stream.")
+        commit = branch.get_active_commit()
+        if commit is None:
+            print("No commit selected/found")
            return {"CANCELLED"}

-        commit = branch.commits.items[int(bbranch.commit)]
+        #Get actual stream data
+        client = speckle_clients[int(speckle.active_user)]

-        transport = ServerTransport(client, stream.id)
-        stream_data = operations.receive(commit.referencedObject, transport)
+        transport = ServerTransport(stream.id, client)
+
+        metrics.track(
+            metrics.RECEIVE,
+            getattr(transport, "account", None), 
+            custom_props={
+                "sourceHostApp": host_applications.get_host_app_from_string(commit.source_application).slug,
+                "sourceHostAppVersion": commit.source_application
+            },
+        )
+        commit_object = operations._untracked_receive(commit.referenced_object, transport)
+        client.commit.received(
+            stream.id,
+            commit.id,
+            source_application="blender",
+            message="received commit from Speckle Blender",
+        )
+
+        context.window_manager.progress_begin(0, commit_object.totalChildrenCount or 1)
+
+        set_convert_instances_as(self.receive_instances_as) #HACK: we need a better way to pass settings down to the converter

        """
        Create or get Collection for stream objects
        """
-        collections = get_objects_collections(stream_data)
+        collections = get_objects_collections(commit_object)

        if not collections:
+            print("Unusual commit structure - did not correctly create collections")
            return {"CANCELLED"}

-        name = "{} [ {} @ {} ]".format(stream.name, branch.name, commit.id)
+        # name = ""
+        # if self.receive_mode == "create":
+        name = "{} [ {} @ {} ]".format(stream.name, branch.name, commit.id) # Matches Rhino "Create" naming
+        # else:
+        #     name = stream.name # Doesn't quite match rhino's Update layer naming, but is close enough no? 
+
        col = create_collection(name)
        col.speckle.stream_id = stream.id
-        col.speckle.name = stream.name
-        col.speckle.units = stream_data.units
+        col.speckle.units = commit_object.units or "m"
+            
        if col.name not in bpy.context.scene.collection.children:
            bpy.context.scene.collection.children.link(col)

@@ -297,25 +433,35 @@ class ReceiveStreamObjects(bpy.types.Operator):
        Set conversion scale from stream units
        """
        scale = (
-            get_scale_length(stream_data.units)
+            get_scale_length(col.speckle.units)
            / context.scene.unit_settings.scale_length
        )

        """
        Get script from text editor for injection
        """
-        func = None
-        if context.scene.speckle.receive_script in bpy.data.texts:
-            mod = bpy.data.texts[context.scene.speckle.receive_script].as_module()
-            if hasattr(mod, "execute"):
-                func = mod.execute
+        created_objects = {}
+        (func, on_complete) = get_receive_funcs(context, created_objects)
+        

        """
        Iterate through retrieved resources
        """
+
        bases_to_native(context, collections, scale, stream.id, func)
+        context.window_manager.progress_end()
+
+
+        if self.clean_meshes:
+            self.clean_converted_meshes(context, created_objects)
+
+        if on_complete:
+            on_complete(context, created_objects)
+

        return {"FINISHED"}
+    
+


 class SendStreamObjects(bpy.types.Operator):
@@ -360,18 +506,24 @@ class SendStreamObjects(bpy.types.Operator):
            return {"CANCELLED"}

        check = _check_speckle_client_user_stream(context.scene)
-        if check is None:
+        user, bstream = check
+
+        if user is None:
            return {"CANCELLED"}

-        user, bstream = check
        stream = user.streams[user.active_stream]
        branch = stream.branches[int(stream.branch)]

        client = speckle_clients[int(context.scene.speckle.active_user)]

-        scale = context.scene.unit_settings.scale_length / get_scale_length(
-            stream.units.lower()
-        )
+        # scale = context.scene.unit_settings.scale_length / get_scale_length(
+        #     stream.units.lower()
+        # )
+        
+
+        scale = 1.0
+
+        units = "m" if bpy.context.scene.unit_settings.system == "METRIC" else "ft"

        """
        Get script from text editor for injection
@@ -406,18 +558,14 @@ class SendStreamObjects(bpy.types.Operator):

            _report("Converting {}".format(obj.name))

-            ngons = obj.get("speckle_ngons_as_polylines", False)
-
-            if ngons:
-                converted = export_ngons_as_polylines(obj, scale)
-            else:
-                converted = to_speckle_object(
-                    obj,
-                    scale,
-                    bpy.context.evaluated_depsgraph_get()
-                    if self.apply_modifiers
-                    else None,
-                )
+            converted = convert_to_speckle(
+                obj,
+                scale,
+                units,
+                bpy.context.evaluated_depsgraph_get()
+                if self.apply_modifiers
+                else None,
+            )

            if not converted:
                continue
@@ -434,19 +582,22 @@ class SendStreamObjects(bpy.types.Operator):
            hierarchy = get_collection_hierarchy(collection)
            create_nested_hierarchy(base, hierarchy, objects)

-        transport = ServerTransport(client, stream.id)
+        transport = ServerTransport(stream.id, client)

+        _report(f"Sending to {stream}")
        obj_id = operations.send(
            base,
            [transport],
        )
-        client.commit.create(
+
+        commitId = client.commit.create(
            stream.id,
            obj_id,
            branch.name,
            message=self.commit_message,
            source_application="blender",
        )
+        _report(f"Commit Created {user.server_url}/streams/{stream.id}/commits/{commitId}")

        bpy.ops.speckle.load_user_streams()

@@ -514,7 +665,7 @@ class AddStreamFromURL(bpy.types.Operator):
        user = speckle.users[user_index]

        client = speckle_clients[user_index]
-        stream = client.stream.get(wrapper.stream_id)
+        stream = client.stream.get(wrapper.stream_id, branch_limit=20)
        if not isinstance(stream, Stream):
            raise SpeckleException("Could not get the requested stream")

@@ -563,7 +714,7 @@ class CreateStream(bpy.types.Operator):
    bl_options = {"REGISTER", "UNDO"}
    bl_description = "Create new stream"

-    stream_name: StringProperty(name="Stream name", default="SpeckleStream")
+    stream_name: StringProperty(name="Stream name")
    stream_description: StringProperty(
        name="Stream description", default="This is a Blender stream."
    )
@@ -1,24 +1,38 @@
 """
 User account operators
 """
-
-from typing import cast
-import bpy, bmesh, os
-from bpy.props import (
-    StringProperty,
-    BoolProperty,
-    FloatProperty,
-    CollectionProperty,
-    EnumProperty,
-)
-from bpy_speckle.properties.scene import SpeckleUserObject
-
+import bpy
 from bpy_speckle.functions import _report
 from bpy_speckle.clients import speckle_clients
-
+from bpy_speckle.properties.scene import SpeckleCommitObject, SpeckleSceneSettings
 from specklepy.api.client import SpeckleClient
-from specklepy.api.credentials import get_default_account, get_local_accounts
+from specklepy.api.models import Stream, User
+from specklepy.api.credentials import get_local_accounts
+from datetime import datetime

+class ResetUsers(bpy.types.Operator):
+    """
+    Reset loaded users
+    """
+
+    bl_idname = "speckle.users_reset"
+    bl_label = "Reset users"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def execute(self, context):
+        self.reset_ui(context)
+
+        bpy.context.view_layer.update()
+        if context.area:
+            context.area.tag_redraw()
+        return {"FINISHED"}
+
+    @staticmethod
+    def reset_ui(context: bpy.types.Context):
+        speckle: SpeckleSceneSettings = context.scene.speckle
+
+        speckle.users.clear()
+        speckle_clients.clear()

 class LoadUsers(bpy.types.Operator):
    """
@@ -33,12 +47,13 @@ class LoadUsers(bpy.types.Operator):

        _report("Loading users...")

-        users = context.scene.speckle.users
+        speckle: SpeckleSceneSettings = context.scene.speckle
+        users = speckle.users

-        context.scene.speckle.users.clear()
-        speckle_clients.clear()
+        ResetUsers.reset_ui(context)

        profiles = get_local_accounts()
+        active_user_index = 0

        for profile in profiles:
            user = users.add()
@@ -47,22 +62,21 @@ class LoadUsers(bpy.types.Operator):
            user.name = profile.userInfo.name
            user.email = profile.userInfo.email
            user.company = profile.userInfo.company or ""
-            user.authToken = profile.token
            try:
                client = SpeckleClient(
                    host=profile.serverInfo.url,
                    use_ssl="https" in profile.serverInfo.url,
                )
-                client.authenticate(user.authToken)
+                client.authenticate_with_account(profile)
                speckle_clients.append(client)
            except Exception as ex:
                _report(ex)
                users.remove(len(users) - 1)
            if profile.isDefault:
-                context.scene.speckle.active_user = str(len(users) - 1)
+                active_user_index = len(users) - 1

-        context.scene.speckle.active_user_index = int(context.scene.speckle.active_user)
-        bpy.ops.speckle.load_user_streams()
+        #speckle.active_user_index = int(speckle.active_user) #TODO Wtf is this?
+        speckle.active_user = str(active_user_index)
        bpy.context.view_layer.update()

        if context.area:
@@ -70,7 +84,7 @@ class LoadUsers(bpy.types.Operator):
        return {"FINISHED"}


-def add_user_stream(user, stream):
+def add_user_stream(user: User, stream: Stream):
    s = user.streams.add()
    s.name = stream.name
    s.id = stream.id
@@ -88,13 +102,14 @@ def add_user_stream(user, stream):
            continue

        for c in b.commits.items:
-            commit = branch.commits.add()
+            commit: SpeckleCommitObject = branch.commits.add()
            commit.id = commit.name = c.id
-            commit.message = c.message
+            commit.message = c.message or ""
            commit.author_name = c.authorName
            commit.author_id = c.authorId
-            commit.created_at = c.createdAt
+            commit.created_at = datetime.strftime(c.createdAt, "%Y-%m-%d %H:%M:%S.%f%Z")
            commit.source_application = str(c.sourceApplication)
+            commit.referenced_object = c.referencedObject

    if hasattr(s, "baseProperties"):
        s.units = stream.baseProperties.units
@@ -122,7 +137,7 @@ class LoadUserStreams(bpy.types.Operator):
            try:
                streams = client.stream.list(stream_limit=20)
            except Exception as e:
-                _report("Failed to retrieve streams: {}".format(e))
+                _report(f"Failed to retrieve streams: {e}")
                return
            if not streams:
                _report("Failed to retrieve streams.")
@@ -133,7 +148,7 @@ class LoadUserStreams(bpy.types.Operator):
            default_units = "Meters"

            for s in streams:
-                sstream = client.stream.get(id=s.id)
+                sstream = client.stream.get(id=s.id, branch_limit=20)
                add_user_stream(user, sstream)

            bpy.context.view_layer.update()
@@ -1,9 +1,7 @@
 """
 Addon properties
 """
-
 import bpy
-from bpy.props import BoolProperty


 class SpeckleAddonPreferences(bpy.types.AddonPreferences):
@@ -1,9 +1,7 @@
 """
 Collection properties
 """
-
 import bpy
-from bpy.props import StringProperty, BoolProperty, EnumProperty


 class SpeckleCollectionSettings(bpy.types.PropertyGroup):
@@ -1,9 +1,7 @@
 """
 Object properties
 """
-
 import bpy
-from bpy.props import StringProperty, BoolProperty, EnumProperty


 class SpeckleObjectSettings(bpy.types.PropertyGroup):
@@ -1,7 +1,7 @@
 """
 Scene properties
 """
-
+from typing import Optional
 import bpy
 from bpy.props import (
    StringProperty,
@@ -12,7 +12,6 @@ from bpy.props import (
    IntProperty,
    PointerProperty,
 )
-from specklepy.api.client import SpeckleClient


 class SpeckleSceneObject(bpy.types.PropertyGroup):
@@ -20,12 +19,13 @@ class SpeckleSceneObject(bpy.types.PropertyGroup):


 class SpeckleCommitObject(bpy.types.PropertyGroup):
-    id: StringProperty(default="abc")
-    message: StringProperty(default="A simple commit")
-    author_name: StringProperty(default="Author name")
-    author_id: StringProperty(default="Author ID")
-    created_at: StringProperty(default="Today")
-    source_application: StringProperty(default="Unknown")
+    id: StringProperty(default="")
+    message: StringProperty(default="")
+    author_name: StringProperty(default="")
+    author_id: StringProperty(default="")
+    created_at: StringProperty(default="")
+    source_application: StringProperty(default="")
+    referenced_object: StringProperty(default="")


 class SpeckleBranchObject(bpy.types.PropertyGroup):
@@ -44,6 +44,12 @@ class SpeckleBranchObject(bpy.types.PropertyGroup):
        description="Active commit",
        items=get_commits,
    )
+    
+    def get_active_commit(self) -> Optional[SpeckleCommitObject]:
+        selected_index = int(self.commit)
+        if 0 <= selected_index < len(self.commits): 
+            return self.commits[selected_index]
+        return None


 class SpeckleStreamObject(bpy.types.PropertyGroup):
@@ -68,6 +74,12 @@ class SpeckleStreamObject(bpy.types.PropertyGroup):
        items=get_branches,
    )

+    def get_active_branch(self) -> Optional[SpeckleBranchObject]:
+        selected_index = int(self.branch)
+        if 0 <= selected_index < len(self.branches): 
+            return self.branches[selected_index]
+        return None
+

 class SpeckleUserObject(bpy.types.PropertyGroup):
    server_name: StringProperty(default="SpeckleXYZ")
@@ -75,16 +87,21 @@ class SpeckleUserObject(bpy.types.PropertyGroup):
    name: StringProperty(default="Speckle User")
    email: StringProperty(default="user@speckle.xyz")
    company: StringProperty(default="SpeckleSystems")
-    authToken: StringProperty(default="")
    streams: CollectionProperty(type=SpeckleStreamObject)
    active_stream: IntProperty(default=0)

+    def get_active_stream(self) -> Optional[SpeckleStreamObject]:
+        selected_index = int(self.active_stream)
+        if 0 <= selected_index < len(self.streams): 
+            return self.streams[selected_index]
+        return None

 class SpeckleSceneSettings(bpy.types.PropertyGroup):
    def get_scripts(self, context):
-        seq = [("<none>", "<none>", "<none>")]
-        seq.extend([(t.name, t.name, t.name) for t in bpy.data.texts])
-        return seq
+        return [
+            ("<none>", "<none>", "<none>"),
+            *[(t.name, t.name, t.name) for t in bpy.data.texts],
+        ]

    streams: EnumProperty(
        name="Available streams",
@@ -105,8 +122,8 @@ class SpeckleSceneSettings(bpy.types.PropertyGroup):

    active_user: EnumProperty(
        items=get_users,
-        name="User",
-        description="Select user",
+        name="Account",
+        description="Select account",
        update=set_user,
        get=None,
        set=None,
@@ -133,3 +150,9 @@ class SpeckleSceneSettings(bpy.types.PropertyGroup):
        description="Script to run when sending stream objects.",
        items=get_scripts,
    )
+
+    def get_active_user(self) -> Optional[SpeckleUserObject]:
+        selected_index = int(self.active_user)
+        if 0 <= selected_index < len(self.users):
+            return self.users[selected_index]
+        return None
@@ -12,7 +12,7 @@ from bpy.props import (
    EnumProperty,
 )

-import datetime
+from datetime import datetime

 """
 Compatibility 
@@ -84,9 +84,8 @@ class VIEW3D_UL_SpeckleStreams(bpy.types.UIList):
    def draw_item(self, context, layout, data, stream, active_data, active_propname):
        if self.layout_type in {"DEFAULT", "COMPACT"}:
            if stream:
-                # layout.prop(user, "name", text=user.name, emboss=False, icon_value=0)
                layout.label(
-                    text="{} ({})".format(stream.name, stream.id),
+                    text=f"{stream.name} ({stream.id})",
                    translate=False,
                    icon_value=0,
                )
@@ -116,14 +115,14 @@ class VIEW3D_PT_SpeckleUser(bpy.types.Panel):
        col = layout.column()

        if len(speckle.users) < 1:
-            col.label(text="No users found.")
+            col.label(text="Refresh to initialise")
        else:
-            # col.label(text="User")
            col.prop(speckle, "active_user", text="")
            user = speckle.users[int(speckle.active_user)]
            col.label(text="{} ({})".format(user.server_name, user.server_url))
            col.label(text="{} ({})".format(user.name, user.email))
-
+            
+        col.operator("speckle.users_load", text="", icon="FILE_REFRESH")

 class VIEW3D_PT_SpeckleStreams(bpy.types.Panel):
    """
@@ -179,7 +178,7 @@ class VIEW3D_PT_SpeckleActiveStream(bpy.types.Panel):
                stream = user.streams[user.active_stream]
                # user.active_stream = min(user.active_stream, len(user.streams) - 1)
                row = col.row()
-                row.label(text="{} ({})".format(stream.name, stream.id))
+                row.label(text=f"{stream.name} ({stream.id})")
                row.operator("speckle.stream_copy_id", text="", icon="COPY_ID")
                col.separator()

@@ -207,13 +206,11 @@ class VIEW3D_PT_SpeckleActiveStream(bpy.types.Panel):
                            row.label(text=line)
                        area.separator()

-                        dt = datetime.datetime.strptime(
-                            commit.created_at, "%Y-%m-%dT%H:%M:%S.%fZ"
-                        )
-                        col.label(text="{}".format(dt.ctime()))
-                        col.label(
-                            text="{} ({})".format(commit.author_name, commit.author_id)
+                        dt = datetime.strptime(
+                            commit.created_at, "%Y-%m-%d %H:%M:%S.%f%Z"
                        )
+                        col.label(text=f"{dt.ctime()}")
+                        col.label(text=f"{commit.author_name} ({commit.author_id})")
                        col.label(text=commit.source_application)
                else:
                    col.label(text="No branches found!")
@@ -234,9 +231,6 @@ class VIEW3D_PT_SpeckleActiveStream(bpy.types.Panel):

                row = col.row(align=True)
                subcol = row.column()
-                subcol.label(text="Units:")
-                subcol = row.column()
-                subcol.label(text=stream.units)

                col.label(text="Description:")
                area = col.box()
@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+set -e -o pipefail
+
+poetry export --only main -o bpy_speckle/requirements.txt
@@ -0,0 +1,20 @@
+import sys
+from pathlib import Path
+
+
+def patch_installer(tag: str):
+    """Patches the installer with the correct connector version and specklepy version"""
+    tag = tag.replace("\n", "")
+    iss_file = "speckle-sharp-ci-tools/blender.iss"
+    iss_path =  Path(iss_file)
+    lines = iss_path.read_text().split("\n")
+    lines.insert(12, f'#define AppVersion "{tag.split("-")[0]}"')
+    lines.insert(13, f'#define AppInfoVersion "{tag}"')
+
+    iss_path.write_text("\n".join(lines))
+    print(f"Patched installer with connector v{tag}")
+
+
+if __name__ == "__main__":
+    tag = sys.argv[1]
+    patch_installer(tag)
@@ -1,7 +1,6 @@
 import re
 import sys

-
 def patch_connector(tag):
    """Patches the connector version within the connector init file"""
    bpy_file = "bpy_speckle/__init__.py"
@@ -19,46 +18,13 @@ def patch_connector(tag):
        with open(bpy_file, "w") as file:
            file.writelines(lines)

-
-def patch_installer(tag):
-    """Patches the installer with the correct connector version and specklepy version"""
-    iss_file = "speckle-sharp-ci-tools/blender.iss"
-
-    py_tag = get_specklepy_version()
-    with open(iss_file, "r") as file:
-        lines = file.readlines()
-        lines.insert(11, f'#define SpecklepyVersion "{py_tag}"\n')
-        lines.insert(11, f'#define AppVersion "{tag}"\n')
-
-        with open(iss_file, "w") as file:
-            file.writelines(lines)
-            print(f"Patched installer with connector v{tag} and specklepy v{py_tag}")
-
-
-def get_specklepy_version():
-    """Get version of specklepy to install from the pyproject.toml"""
-    version = "2.3.3"
-    with open("pyproject.toml", "r") as f:
-        lines = [line for line in f if line.startswith("specklepy = ")]
-        if not lines:
-            raise Exception("Could not find specklepy in pyproject.toml")
-        match = re.search(r"[0-9]+(\.[0-9]+)*", lines[0])
-        if match:
-            version = match[0]
-    return version
-
-
 def main():
-    if len(sys.argv) < 2:
-        return
-
    tag = sys.argv[1]
-    if not re.match(r"[0-9]+(\.[0-9]+)*$", tag):
+    if not re.match(r"([0-9]+)\.([0-9]+)\.([0-9]+)", tag):
        raise ValueError(f"Invalid tag provided: {tag}")

    print(f"Patching version: {tag}")
-    patch_connector(tag)
-    patch_installer(tag)
+    patch_connector(tag.split("-")[0])


 if __name__ == "__main__":
@@ -2,18 +2,22 @@
 name = "speckle-blender"
 version = "2.0.0"
 description = "the Speckle 2.0 connector for Blender!"
-authors = ["izzy lyseggen <izzy.lyseggen@gmail.com>"]
+authors = ["izzy lyseggen <izzy.lyseggen@gmail.com>", "Gergő Jedlicska <gergo@jedlicska.com>"]
 license = "Apache-2.0"

 [tool.poetry.dependencies]
-python = ">=3.7,<3.8"
-specklepy = "2.3.5"
+python = ">=3.8, <4.0.0"
+specklepy = "^2.13.0"

-[tool.poetry.dev-dependencies]
-devtools = "^0.6.1"
-numpy = "^1.20.2"
-bpy = "^2.82.1"
-bpy-build = "^2.1.0"
+# [tool.poetry.group.local_specklepy.dependencies]
+# specklepy = {path = "../specklepy", develop = true}
+
+[tool.poetry.group.dev.dependencies]
+numpy = "^1.23.5"
+fake-bpy-module-latest = "^20230117"
+black = "^22.10.0"
+pylint = "^2.15.7"
+ruff = "^0.0.166"

 [build-system]
 requires = ["poetry-core>=1.0.0"]