Merge pull request #459 from specklesystems/jonathon/cnx-971-update-apputilscs-to-include-support-for-additional-versions

CNX-971 - Update AppUtils.cs to include support for additional versions of Navisworks.

.editorconfig

@@ -255,8 +255,6 @@ dotnet_diagnostic.ca1509.severity = warning # Invalid entry in code metrics conf
 dotnet_diagnostic.ca1861.severity = none # Prefer 'static readonly' fields over constant array arguments if the called method is called repeatedly and is not mutating the passed array (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1861)
 
 dotnet_diagnostic.cs8618.severity = suggestion # nullable problem
-dotnet_diagnostic.CS0809.severity = suggestion # obsolete errors
-dotnet_diagnostic.CS0618.severity = suggestion # obsolete errors
 
 
 # Performance rules

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.2xx # Align with global.json (including roll forward rules)
+          dotnet-version: 8.0.4xx # Align with global.json (including roll forward rules)
       
       - name: Cache Nuget     
         uses: actions/cache@v4
@@ -38,7 +38,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.2xx # Align with global.json (including roll forward rules)
+          dotnet-version: 8.0.4xx # Align with global.json (including roll forward rules)
       
       - name: Cache Nuget     
         uses: actions/cache@v4
@@ -50,7 +50,7 @@ jobs:
         run: ./build.sh test-only
         
       - name: Upload coverage reports to Codecov with GitHub Action
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           file: Converters/**/coverage.xml
           token: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/main.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.2xx # Align with global.json (including roll forward rules)
+          dotnet-version: 8.0.4xx # Align with global.json (including roll forward rules)
 
       - name: Cache Nuget
         uses: actions/cache@v4
@@ -79,7 +79,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.2xx # Align with global.json (including roll forward rules)
+          dotnet-version: 8.0.4xx # Align with global.json (including roll forward rules)
 
       - name: Cache Nuget
         uses: actions/cache@v4
@@ -91,7 +91,7 @@ jobs:
         run: ./build.sh test-only
 
       - name: Upload coverage reports to Codecov with GitHub Action
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           file: Converters/**/coverage.xml
           token: ${{ secrets.CODECOV_TOKEN }}

Build/Consts.cs

@@ -41,7 +41,24 @@ public static class Consts
         new("Connectors/Autocad/Speckle.Connectors.Civil3d2025", "net8.0-windows")
       ]
     ),
-    new("tekla-structures", [new("Connectors/Tekla/Speckle.Connector.Tekla2024", "net48")])
+    new(
+      "navisworks",
+      [
+        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2020", "net48"),
+        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2021", "net48"),
+        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2022", "net48"),
+        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2023", "net48"),
+        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2024", "net48"),
+        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2025", "net48")
+      ]
+    ),
+    new(
+      "tekla-structures",
+      [
+        new("Connectors/Tekla/Speckle.Connector.Tekla2023", "net48"),
+        new("Connectors/Tekla/Speckle.Connector.Tekla2024", "net48")
+      ]
+    )
   };
 }
 

Build/Program.cs

@@ -150,7 +150,10 @@ Target(
     var version = Environment.GetEnvironmentVariable("GitVersion_FullSemVer") ?? "3.0.0-localBuild";
     var fileVersion = Environment.GetEnvironmentVariable("GitVersion_AssemblySemFileVer") ?? "3.0.0.0";
     Console.WriteLine($"Version: {version} & {fileVersion}");
-    Run("dotnet", $"build {s} -c Release --no-restore -p:Version={version} -p:FileVersion={fileVersion} -v:m");
+    Run(
+      "dotnet",
+      $"build {s} -c Release --no-restore -warnaserror -p:Version={version} -p:FileVersion={fileVersion} -v:m"
+    );
   }
 );
 

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Bindings/ArcGISSelectionBinding.cs

@@ -53,11 +53,8 @@ public class ArcGISSelectionBinding : ISelectionBinding
     selectedMembers.AddRange(mapView.GetSelectedStandaloneTables());
 
     List<MapMember> allNestedMembers = new();
-    foreach (MapMember member in selectedMembers)
-    {
-      var layerMapMembers = _mapMemberUtils.UnpackMapLayers(selectedMembers);
-      allNestedMembers.AddRange(layerMapMembers);
-    }
+    var layerMapMembers = _mapMemberUtils.UnpackMapLayers(selectedMembers);
+    allNestedMembers.AddRange(layerMapMembers);
 
     List<string> objectTypes = allNestedMembers
       .Select(o => o.GetType().ToString().Split(".").Last())

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Bindings/BasicConnectorBinding.cs

@@ -54,7 +54,7 @@ public class BasicConnectorBinding : IBasicConnectorBinding
 
   public DocumentModelStore GetDocumentState() => _store;
 
-  public void AddModel(ModelCard model) => _store.Models.Add(model);
+  public void AddModel(ModelCard model) => _store.AddModel(model);
 
   public void UpdateModel(ModelCard model) => _store.UpdateModel(model);
 

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/DependencyInjection/ArcGISConnectorModule.cs

@@ -12,7 +12,6 @@ using Speckle.Connectors.Common.Caching;
 using Speckle.Connectors.Common.Operations;
 using Speckle.Connectors.DUI;
 using Speckle.Connectors.DUI.Bindings;
-using Speckle.Connectors.DUI.Models;
 using Speckle.Connectors.DUI.Models.Card.SendFilter;
 using Speckle.Connectors.DUI.WebView;
 using Speckle.Converters.Common;
@@ -28,41 +27,39 @@ public static class ArcGISConnectorModule
   public static void AddArcGIS(this IServiceCollection serviceCollection)
   {
     serviceCollection.AddConnectorUtils();
-    serviceCollection.AddDUI();
+    serviceCollection.AddDUI<ArcGISDocumentStore>();
     serviceCollection.AddDUIView();
 
-    serviceCollection.AddSingleton<DocumentModelStore, ArcGISDocumentStore>();
     // Register bindings
     serviceCollection.AddSingleton<IBinding, TestBinding>();
     serviceCollection.AddSingleton<IBinding, ConfigBinding>();
     serviceCollection.AddSingleton<IBinding, AccountBinding>();
-
-    serviceCollection.RegisterTopLevelExceptionHandler();
-
     serviceCollection.AddSingleton<IBinding>(sp => sp.GetRequiredService<IBasicConnectorBinding>());
     serviceCollection.AddSingleton<IBasicConnectorBinding, BasicConnectorBinding>();
 
-    serviceCollection.AddSingleton<IBinding, ArcGISSelectionBinding>();
-    serviceCollection.AddSingleton<IBinding, ArcGISSendBinding>();
-    serviceCollection.AddSingleton<IBinding, ArcGISReceiveBinding>();
-
-    serviceCollection.AddTransient<ISendFilter, ArcGISSelectionFilter>();
-    serviceCollection.AddScoped<IHostObjectBuilder, ArcGISHostObjectBuilder>();
+    serviceCollection.RegisterTopLevelExceptionHandler();
     serviceCollection.AddSingleton(DefaultTraversal.CreateTraversalFunc());
 
     // register send operation and dependencies
+    serviceCollection.AddSingleton<IBinding, ArcGISSendBinding>();
     serviceCollection.AddScoped<SendOperation<MapMember>>();
+    serviceCollection.AddSingleton<IBinding, ArcGISSelectionBinding>();
+    serviceCollection.AddTransient<ISendFilter, ArcGISSelectionFilter>();
     serviceCollection.AddScoped<ArcGISRootObjectBuilder>();
     serviceCollection.AddScoped<IRootObjectBuilder<MapMember>, ArcGISRootObjectBuilder>();
-
-    serviceCollection.AddScoped<LocalToGlobalConverterUtils>();
-
-    serviceCollection.AddScoped<ArcGISColorManager>();
-    serviceCollection.AddScoped<MapMembersUtils>();
-
+    serviceCollection.AddScoped<ArcGISLayerUnpacker>();
+    serviceCollection.AddScoped<ArcGISColorUnpacker>();
     // register send conversion cache
     serviceCollection.AddSingleton<ISendConversionCache, SendConversionCache>();
 
+    // register receive operation and dependencies
+    // serviceCollection.AddSingleton<IBinding, ArcGISReceiveBinding>(); // POC: disabled until receive code is refactored
+    serviceCollection.AddScoped<LocalToGlobalConverterUtils>();
+    serviceCollection.AddScoped<ArcGISColorManager>();
+    serviceCollection.AddScoped<IHostObjectBuilder, ArcGISHostObjectBuilder>();
+
+    serviceCollection.AddScoped<MapMembersUtils>();
+
     // operation progress manager
     serviceCollection.AddSingleton<IOperationProgressManager, OperationProgressManager>();
   }

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Esri.ArcGISPro.Extensions30.Speckle.targets

@@ -154,7 +154,6 @@
         Log.LogErrorFromException(ex);
         return false;
       }
-      return Success;
     ]]>
       </Code>
     </Task>
@@ -190,7 +189,7 @@
             {
                 Log.LogMessage(MessageImportance.Low, "RelativePaths: " + i.ToString());
             }
-            return true;
+            Success = true;
 			 ]]>
       </Code>
     </Task>
@@ -266,7 +265,6 @@
         CleanInfo = AssemblyName + extension;
       }
       Success = true;
-      return Success;
 	]]>
       </Code>
     </Task>

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/GlobalUsing.cs

@@ -0,0 +1,3 @@
+global using AC = ArcGIS.Core;
+global using ACD = ArcGIS.Core.Data;
+global using ADM = ArcGIS.Desktop.Mapping;

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/HostApp/ArcGISColorManager.cs

@@ -1,56 +1,25 @@
 using System.Drawing;
 using ArcGIS.Core.CIM;
-using ArcGIS.Core.Data;
 using ArcGIS.Desktop.Mapping;
 using Speckle.Connectors.Common.Operations;
 using Speckle.Converters.ArcGIS3.Utils;
 using Speckle.Objects;
 using Speckle.Objects.Other;
 using Speckle.Sdk.Models.Collections;
+using Speckle.Sdk.Models.Extensions;
 using Speckle.Sdk.Models.GraphTraversal;
 using Speckle.Sdk.Models.Proxies;
 
 namespace Speckle.Connectors.ArcGIS.HostApp;
 
+/// <summary>
+/// TODO: definitely need to refactor this, probably will collect colors during layer iteration in the root object builder.
+/// </summary>
 public class ArcGISColorManager
 {
-  private Dictionary<string, ColorProxy> ColorProxies { get; set; } = new();
   public Dictionary<string, Color> ObjectColorsIdMap { get; set; } = new();
   public Dictionary<string, Color> ObjectMaterialsIdMap { get; set; } = new();
 
-  /// <summary>
-  /// Iterates through a given set of arcGIS map members (layers containing objects) and collects their colors.
-  /// </summary>
-  /// <param name="mapMembersWithDisplayPriority"></param>
-  /// <returns>A list of color proxies, where the application Id is argb value + display priority</returns>
-  /// <remarks>
-  /// In ArcGIS, map members contain a formula, which individual features contained in map members will use to calculate their color.
-  /// Since display priority is important for ArcGIS layers, we are creating different Color Proxies for eg the same argb color value but different display priority.
-  /// </remarks>
-  public List<ColorProxy> UnpackColors(List<(MapMember, int)> mapMembersWithDisplayPriority)
-  {
-    // injected as Singleton, so we need to clean existing proxies first
-    ColorProxies = new();
-
-    foreach ((MapMember mapMember, int priority) in mapMembersWithDisplayPriority)
-    {
-      switch (mapMember)
-      {
-        // FeatureLayer colors will be processed per feature object
-        case FeatureLayer featureLayer:
-          ProcessFeatureLayerColors(featureLayer, priority);
-          break;
-
-        // RasterLayer object colors are converted as mesh vertex colors, but we need to store displayPriority on the raster layer. Default color is used for all rasters.
-        case RasterLayer rasterLayer:
-          ProcessRasterLayerColors(rasterLayer, priority);
-          break;
-      }
-    }
-
-    return ColorProxies.Values.ToList();
-  }
-
   /// <summary>
   /// Parse Color Proxies and stores in ObjectColorsIdMap the relationship between object ids and colors
   /// </summary>
@@ -98,6 +67,14 @@ public class ArcGISColorManager
     }
   }
 
+  public int CIMColorToInt(CIMColor color)
+  {
+    return (255 << 24)
+      | ((int)Math.Round(color.Values[0]) << 16)
+      | ((int)Math.Round(color.Values[1]) << 8)
+      | (int)Math.Round(color.Values[2]);
+  }
+
   /// <summary>
   /// Create a new CIMUniqueValueClass for UniqueRenderer per each object ID
   /// </summary>
@@ -111,6 +88,7 @@ public class ArcGISColorManager
   {
     // declare default white color
     Color color = Color.FromArgb(255, 255, 255, 255);
+    bool colorFound = false;
 
     // get color moving upwards from the object
     foreach (var parent in tc.GetAscendants())
@@ -120,16 +98,43 @@ public class ArcGISColorManager
         if (ObjectMaterialsIdMap.TryGetValue(appId, out Color objColorMaterial))
         {
           color = objColorMaterial;
+          colorFound = true;
           break;
         }
         if (ObjectColorsIdMap.TryGetValue(appId, out Color objColor))
         {
           color = objColor;
+          colorFound = true;
           break;
         }
       }
     }
 
+    // handling Revit case, where child objects have separate colors/materials
+    if (!colorFound && tc.Current is IDataObject)
+    {
+      var displayable = tc.Current.TryGetDisplayValue();
+      if (displayable != null)
+      {
+        foreach (var childObj in displayable)
+        {
+          if (childObj.applicationId is string appId)
+          {
+            if (ObjectMaterialsIdMap.TryGetValue(appId, out Color objColorMaterial))
+            {
+              color = objColorMaterial;
+              break;
+            }
+            if (ObjectColorsIdMap.TryGetValue(appId, out Color objColor))
+            {
+              color = objColor;
+              break;
+            }
+          }
+        }
+      }
+    }
+
     CIMSymbolReference symbol = CreateSymbol(speckleGeometryType, color);
 
     // First create a "CIMUniqueValueClass"
@@ -196,7 +201,7 @@ public class ArcGISColorManager
     }
 
     // declare default grey color, create default symbol for the given layer geometry type
-    var color = Color.FromArgb(ColorFactory.Instance.GreyRGB.CIMColorToInt());
+    var color = Color.FromArgb(CIMColorToInt(ColorFactory.Instance.GreyRGB));
     CIMSymbolReference defaultSymbol = CreateSymbol(fLayer.ShapeType, color);
 
     // get existing renderer classes
@@ -227,7 +232,10 @@ public class ArcGISColorManager
     foreach (var tContext in traversalContexts)
     {
       // get unique label
-      string uniqueLabel = tContext.Current.id;
+      string? uniqueLabel = tContext.Current?.id;
+
+      // remove any GIS-specific classes for now
+      /*
       if (tContext.Current is IGisFeature gisFeat)
       {
         var existingLabel = gisFeat.attributes["Speckle_ID"];
@@ -235,9 +243,9 @@ public class ArcGISColorManager
         {
           uniqueLabel = stringLabel;
         }
-      }
+      }*/
 
-      if (!listUniqueValueClasses.Select(x => x.Label).Contains(uniqueLabel))
+      if (uniqueLabel is not null && !listUniqueValueClasses.Select(x => x.Label).Contains(uniqueLabel))
       {
         CIMUniqueValueClass newUniqueValueClass = CreateColorCategory(tContext, fLayer.ShapeType, uniqueLabel);
         listUniqueValueClasses.Add(newUniqueValueClass);
@@ -259,376 +267,4 @@ public class ArcGISColorManager
       };
     return uvr;
   }
-
-  private string GetColorApplicationId(int argb, double order) => $"{argb}_{order}";
-
-  // Adds the element id to the color proxy based on colorId if it exists in ColorProxies,
-  // otherwise creates a new Color Proxy with the element id in the objects property
-  private void AddElementIdToColorProxy(string elementAppId, int colorValue, string colorId, int displayPriority)
-  {
-    if (ColorProxies.TryGetValue(colorId, out ColorProxy? colorProxy))
-    {
-      colorProxy.objects.Add(elementAppId);
-    }
-    else
-    {
-      ColorProxy newProxy =
-        new()
-        {
-          value = colorValue,
-          applicationId = colorId,
-          objects = new() { elementAppId },
-          name = colorId
-        };
-
-      newProxy["displayOrder"] = displayPriority; // 0 - top layer (top display priority), 1,2,3.. decreasing priority
-      ColorProxies.Add(colorId, newProxy);
-    }
-  }
-
-  private void ProcessRasterLayerColors(RasterLayer rasterLayer, int displayPriority)
-  {
-    string elementAppId = $"{rasterLayer.URI}_0"; // POC: explain why count = 0 here
-    int argb = -1;
-    string colorId = GetColorApplicationId(argb, displayPriority); // We are using a default color of -1 for all raster layers
-    AddElementIdToColorProxy(elementAppId, argb, colorId, displayPriority);
-  }
-
-  /// <summary>
-  /// Record colors from every feature of the layer into ColorProxies
-  /// </summary>
-  /// <param name="layer"></param>
-  /// <param name="displayPriority"></param>
-  private void ProcessFeatureLayerColors(FeatureLayer layer, int displayPriority)
-  {
-    // first get a list of layer fields
-    // field names are unique, but often their alias is used instead by renderer headings
-    // so we are storing both names and alieas in this dictionary for fast lookup
-    // POC: adding aliases are not optimal, because they do not need to be unique && they can be the same as the name of another field
-    Dictionary<string, FieldDescription> layerFieldDictionary = new();
-    foreach (FieldDescription field in layer.GetFieldDescriptions())
-    {
-      layerFieldDictionary.TryAdd(field.Name, field);
-      layerFieldDictionary.TryAdd(field.Alias, field);
-    }
-
-    CIMRenderer layerRenderer = layer.GetRenderer();
-    int count = 1;
-    using (RowCursor rowCursor = layer.Search())
-    {
-      // if layer doesn't have a valid data source (and the conversion likely failed), don't create a colorProxy
-      if (rowCursor is null)
-      {
-        return;
-      }
-      while (rowCursor.MoveNext())
-      {
-        string elementAppId = $"{layer.URI}_{count}";
-        using (Row row = rowCursor.Current)
-        {
-          // get row color
-          int argb = GetLayerColorByRendererAndRow(layerRenderer, row, layerFieldDictionary);
-          string colorId = GetColorApplicationId(argb, displayPriority);
-          AddElementIdToColorProxy(elementAppId, argb, colorId, displayPriority);
-        }
-
-        count++;
-      }
-    }
-  }
-
-  // Attempts to retrieve the color from a CIMSymbol
-  private bool TryGetSymbolColor(CIMSymbol symbol, out int symbolColor)
-  {
-    symbolColor = -1;
-    if (symbol.GetColor() is CIMColor cimColor)
-    {
-      switch (cimColor)
-      {
-        case CIMRGBColor rgbColor:
-          symbolColor = rgbColor.CIMColorToInt();
-          return true;
-        case CIMHSVColor hsvColor:
-          symbolColor = RgbFromHsv(hsvColor);
-          return true;
-        case CIMCMYKColor cmykColor:
-          symbolColor = RgbFromCmyk(cmykColor);
-          return true;
-        default:
-          return false;
-      }
-    }
-    else
-    {
-      return false;
-    }
-  }
-
-  private int RbgToInt(int a, int r, int g, int b)
-  {
-    return (a << 24) | (r << 16) | (g << 8) | b;
-  }
-
-  private int RgbFromCmyk(CIMCMYKColor cmykColor)
-  {
-    float c = cmykColor.C;
-    float m = cmykColor.M;
-    float y = cmykColor.Y;
-    float k = cmykColor.K;
-
-    int r = Convert.ToInt32(255 * (1 - c) * (1 - k));
-    int g = Convert.ToInt32(255 * (1 - m) * (1 - k));
-    int b = Convert.ToInt32(255 * (1 - y) * (1 - k));
-    return RbgToInt(255, r, g, b);
-  }
-
-  private int RgbFromHsv(CIMHSVColor hsvColor)
-  {
-    // Translates HSV color to RGB color
-    // H: 0.0 - 360.0, S: 0.0 - 100.0, V: 0.0 - 100.0
-    // R, G, B: 0.0 - 1.0
-
-    float hue = hsvColor.H;
-    float saturation = hsvColor.S;
-    float value = hsvColor.V;
-
-    float c = (value / 100) * (saturation / 100);
-    float x = c * (1 - Math.Abs(((hue / 60) % 2) - 1));
-    float m = (value / 100) - c;
-
-    float r = 0;
-    float g = 0;
-    float b = 0;
-
-    if (hue >= 0 && hue < 60)
-    {
-      r = c;
-      g = x;
-      b = 0;
-    }
-    else if (hue >= 60 && hue < 120)
-    {
-      r = x;
-      g = c;
-      b = 0;
-    }
-    else if (hue >= 120 && hue < 180)
-    {
-      r = 0;
-      g = c;
-      b = x;
-    }
-    else if (hue >= 180 && hue < 240)
-    {
-      r = 0;
-      g = x;
-      b = c;
-    }
-    else if (hue >= 240 && hue < 300)
-    {
-      r = x;
-      g = 0;
-      b = c;
-    }
-    else if (hue >= 300 && hue < 360)
-    {
-      r = c;
-      g = 0;
-      b = x;
-    }
-
-    r += m;
-    g += m;
-    b += m;
-
-    // convert rgb 0.0-1.0 float to int
-    int red = (int)Math.Round(r * 255);
-    int green = (int)Math.Round(g * 255);
-    int blue = (int)Math.Round(b * 255);
-
-    return RbgToInt(255, red, green, blue);
-  }
-
-  private bool TryGetUniqueRendererColor(
-    CIMUniqueValueRenderer uniqueRenderer,
-    Row row,
-    Dictionary<string, FieldDescription> fields,
-    out int color
-  )
-  {
-    if (uniqueRenderer.DefaultSymbol is null)
-    {
-      color = RbgToInt(255, 255, 255, 255);
-      return false;
-    }
-    if (!TryGetSymbolColor(uniqueRenderer.DefaultSymbol.Symbol, out color)) // get default color
-    {
-      return false;
-    }
-
-    // note: usually there is only 1 group
-    foreach (CIMUniqueValueGroup group in uniqueRenderer.Groups)
-    {
-      string[] fieldNames = uniqueRenderer.Fields;
-      List<string> usedFields = new();
-      foreach (string fieldName in fieldNames)
-      {
-        if (fields.TryGetValue(fieldName, out FieldDescription? headingField))
-        {
-          usedFields.Add(headingField.Name);
-        }
-      }
-
-      // loop through all values in groups to see if any have met conditions that result in a different color
-      foreach (CIMUniqueValueClass groupClass in group.Classes)
-      {
-        bool groupConditionsMet = true;
-        foreach (CIMUniqueValue value in groupClass.Values)
-        {
-          // all field values have to match the row values
-          for (int i = 0; i < usedFields.Count; i++)
-          {
-            string groupValue = value.FieldValues[i].Replace("<Null>", "");
-            object? rowValue = row[usedFields[i]];
-
-            (string newRowValue, string newGroupValue) = MakeValuesComparable(rowValue, groupValue);
-            if (newGroupValue != newRowValue)
-            {
-              groupConditionsMet = false;
-              break;
-            }
-          }
-        }
-
-        // set the group color to class symbol color if conditions are met
-        if (groupConditionsMet)
-        {
-          if (groupClass.Symbol is null)
-          {
-            color = RbgToInt(255, 255, 255, 255);
-            return false;
-          }
-          if (!TryGetSymbolColor(groupClass.Symbol.Symbol, out color))
-          {
-            return false;
-          }
-        }
-      }
-    }
-
-    return true;
-  }
-
-  /// <summary>
-  /// Make comparable the Label string of a UniqueValueRenderer (groupValue), and a Feature Attribute value (rowValue)
-  /// </summary>
-  /// <param name="rowValue"></param>
-  /// <param name="groupValue"></param>
-  private (string, string) MakeValuesComparable(object? rowValue, string groupValue)
-  {
-    string newGroupValue = groupValue;
-    string newRowValue = Convert.ToString(rowValue) ?? "";
-
-    // int, doubles are tricky to compare with strings, trimming both to 5 digits
-    if (rowValue is int or short or long)
-    {
-      newRowValue = newRowValue.Split(".")[0];
-      newGroupValue = newGroupValue.Split(".")[0];
-    }
-    else if (rowValue is double || rowValue is float)
-    {
-      newRowValue = string.Concat(
-        newRowValue.Split(".")[0],
-        ".",
-        newRowValue.Split(".")[^1].AsSpan(0, Math.Min(5, newRowValue.Split(".")[^1].Length))
-      );
-      newGroupValue = string.Concat(
-        newGroupValue.Split(".")[0],
-        ".",
-        newGroupValue.Split(".")[^1].AsSpan(0, Math.Min(5, newGroupValue.Split(".")[^1].Length))
-      );
-    }
-
-    return (newRowValue, newGroupValue);
-  }
-
-  private bool TryGetGraduatedRendererColor(
-    CIMClassBreaksRenderer graduatedRenderer,
-    Row row,
-    Dictionary<string, FieldDescription> fields,
-    out int color
-  )
-  {
-    if (graduatedRenderer.DefaultSymbol is null)
-    {
-      color = RbgToInt(255, 255, 255, 255);
-      return false;
-    }
-    if (!TryGetSymbolColor(graduatedRenderer.DefaultSymbol.Symbol, out color)) // get default color
-    {
-      return false;
-    }
-
-    string? usedField = null;
-    if (fields.TryGetValue(graduatedRenderer.Field, out FieldDescription? field))
-    {
-      usedField = field.Name;
-    }
-
-    List<CIMClassBreak> reversedBreaks = new(graduatedRenderer.Breaks);
-    reversedBreaks.Reverse();
-    foreach (var rBreak in reversedBreaks)
-    {
-      // keep looping until the last matching condition
-      if (Convert.ToDouble(row[usedField]) <= rBreak.UpperBound)
-      {
-        if (!TryGetSymbolColor(rBreak.Symbol.Symbol, out color)) // get default color
-        {
-          return false;
-        }
-      }
-    }
-
-    return true;
-  }
-
-  // Tries to retrieve the feature layer color by renderer and row, or a default color of -1
-  private int GetLayerColorByRendererAndRow(CIMRenderer renderer, Row row, Dictionary<string, FieldDescription> fields)
-  {
-    // default color to white. this will be used if the renderer is not supported.
-    int color = -1;
-
-    // get color depending on renderer type
-    switch (renderer)
-    {
-      case CIMSimpleRenderer simpleRenderer:
-        if (!TryGetSymbolColor(simpleRenderer.Symbol.Symbol, out color))
-        {
-          // POC: report CONVERTED WITH WARNING when implemented
-        }
-        break;
-
-      // unique renderers have groups of conditions that may affect the color of a feature
-      // resulting in a different color than the default renderer symbol color
-      case CIMUniqueValueRenderer uniqueRenderer:
-        if (!TryGetUniqueRendererColor(uniqueRenderer, row, fields, out color)) // get default color
-        {
-          // POC: report CONVERTED WITH WARNING when implemented
-        }
-        break;
-
-      case CIMClassBreaksRenderer graduatedRenderer:
-        if (!TryGetGraduatedRendererColor(graduatedRenderer, row, fields, out color)) // get default color
-        {
-          // POC: report CONVERTED WITH WARNING when implemented
-        }
-        break;
-
-      default:
-        // POC: report CONVERTED WITH WARNING when implemented, unsupported renderer e.g. CIMProportionalRenderer
-        break;
-    }
-
-    return color;
-  }
 }

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/HostApp/ArcGISColorUnpacker.cs

@@ -0,0 +1,460 @@
+using ArcGIS.Desktop.Mapping;
+using Speckle.Sdk.Models.Proxies;
+
+namespace Speckle.Connectors.ArcGIS.HostApp;
+
+public class ArcGISColorUnpacker
+{
+  /// <summary>
+  /// Cache of all color proxies for converted features. Key is the Color proxy argb value.
+  /// </summary>
+  public Dictionary<int, ColorProxy> ColorProxyCache { get; } = new();
+
+  /// <summary>
+  /// Stores the current renderer (determined by mapMember)
+  /// </summary>
+  private AC.CIM.CIMRenderer? StoredRenderer { get; set; }
+
+  /// <summary>
+  /// Stores the current renderer (determined by tin mapmember)
+  /// </summary>
+  private AC.CIM.CIMTinRenderer? StoredTinRenderer { get; set; }
+
+  /// <summary>
+  /// Stores the used renderer fields from the layer
+  /// </summary>
+  private List<string> StoredRendererFields { get; set; }
+
+  /// <summary>
+  /// Stores an already processed color for current mapMember, to dbe used by all mapMember objects. Only applies to simple type renderers
+  /// </summary>
+  private int? StoredColor { get; set; }
+
+  /// <summary>
+  /// Stores a feature layer renderer to be used by <see cref="ProcessFeatureLayerColor"/> in <see cref="StoredRenderer"/>, any fields used by the renderer from the layer, and resets the <see cref="StoredColor"/> and <see cref="StoredRendererFields"/>
+  /// </summary>
+  /// <param name="featureLayer"></param>
+  /// <exception cref="AC.CalledOnWrongThreadException">Must be called on MCT.</exception>
+  public void StoreRendererAndFields(ADM.FeatureLayer featureLayer)
+  {
+    // field names are unique, but often their alias is used instead by renderer headings
+    // so we are storing both names and alias in this dictionary for fast lookup
+    // POC: adding aliases are not optimal, because they do not need to be unique && they can be the same as the name of another field
+    Dictionary<string, string> layerFieldDictionary = new();
+    foreach (ADM.FieldDescription field in featureLayer.GetFieldDescriptions())
+    {
+      layerFieldDictionary.TryAdd(field.Name, field.Name);
+      layerFieldDictionary.TryAdd(field.Alias, field.Name);
+    }
+
+    // clear stored values
+    StoredRendererFields = new();
+    StoredColor = null;
+    StoredRenderer = null;
+
+    AC.CIM.CIMRenderer layerRenderer = featureLayer.GetRenderer();
+    List<string> fields = new();
+    bool isSupported = false;
+    switch (layerRenderer)
+    {
+      case AC.CIM.CIMSimpleRenderer:
+        isSupported = true;
+        break;
+      case AC.CIM.CIMUniqueValueRenderer uniqueValueRenderer:
+        isSupported = true;
+        fields = uniqueValueRenderer.Fields.ToList();
+        break;
+      case AC.CIM.CIMClassBreaksRenderer classBreaksRenderer:
+        isSupported = true;
+        fields.Add(classBreaksRenderer.Field);
+        break;
+      default:
+        // TODO: log error here that a renderer is unsupported
+        break;
+    }
+
+    if (isSupported)
+    {
+      StoredRenderer = layerRenderer;
+      foreach (string field in fields)
+      {
+        if (layerFieldDictionary.TryGetValue(field, out string? fieldName))
+        {
+          StoredRendererFields.Add(fieldName);
+        }
+      }
+    }
+  }
+
+  /// <summary>
+  /// Stores a las layer renderer to be used by <see cref="ProcessLasLayerColor"/> in <see cref="StoredTinRenderer"/>
+  /// </summary>
+  /// <param name="lasLayer"></param>
+  /// <exception cref="AC.CalledOnWrongThreadException">Must be called on MCT.</exception>
+  public void StoreRenderer(ADM.LasDatasetLayer lasLayer)
+  {
+    // clear stored values
+    StoredTinRenderer = null;
+
+    // POC: not sure why we are only using the first renderer here
+    AC.CIM.CIMTinRenderer layerRenderer = lasLayer.GetRenderers()[0];
+    bool isSupported = false;
+    switch (layerRenderer)
+    {
+      case AC.CIM.CIMTinUniqueValueRenderer:
+        isSupported = true;
+        break;
+      default:
+        // TODO: log error here that a renderer is unsupported
+        break;
+    }
+
+    if (isSupported)
+    {
+      StoredTinRenderer = layerRenderer;
+    }
+  }
+
+  /// <summary>
+  /// Processes a las layer's point color by the stored <see cref="StoredRenderer"/>, and stores the point's id and color proxy to the <see cref="ColorProxyCache"/>.
+  /// POC: logic probably can be combined with ProcessFeatureLayerColor.
+  /// </summary>
+  /// <param name="point"></param>
+  public void ProcessLasLayerColor(ACD.Analyst3D.LasPoint point, string pointApplicationId)
+  {
+    // get the color from the renderer and point
+    AC.CIM.CIMColor? color;
+    switch (StoredTinRenderer)
+    {
+      case AC.CIM.CIMTinUniqueValueRenderer uniqueValueRenderer:
+        color = GetPointColorByUniqueValueRenderer(uniqueValueRenderer, point);
+        break;
+
+      default:
+        return;
+    }
+
+    // get or create the color proxy for the point
+    int argb = CIMColorToInt(color ?? point.RGBColor);
+    AddObjectIdToColorProxyCache(pointApplicationId, argb);
+  }
+
+  // Retrieves the las point color from a unique value renderer
+  // unique renderers have groups of conditions that may affect the color of a feature
+  // resulting in a different color than the default renderer symbol color
+  private AC.CIM.CIMColor? GetPointColorByUniqueValueRenderer(
+    AC.CIM.CIMTinUniqueValueRenderer renderer,
+    ACD.Analyst3D.LasPoint point
+  )
+  {
+    foreach (AC.CIM.CIMUniqueValueGroup group in renderer.Groups)
+    {
+      foreach (AC.CIM.CIMUniqueValueClass groupClass in group.Classes)
+      {
+        foreach (AC.CIM.CIMUniqueValue value in groupClass.Values)
+        {
+          // all field values have to match the row values
+          for (int i = 0; i < value.FieldValues.Length; i++)
+          {
+            string groupValue = value.FieldValues[i].Replace("<Null>", "");
+            object? pointValue = point.ClassCode;
+
+            if (ValuesAreEqual(groupValue, pointValue))
+            {
+              return groupClass.Symbol.Symbol.GetColor();
+            }
+          }
+        }
+      }
+    }
+
+    return null;
+  }
+
+  /// <summary>
+  /// Processes a feature layer's row color by the stored <see cref="StoredRenderer"/>, and stores the row's id and color proxy to the <see cref="ColorProxyCache"/>.
+  /// </summary>
+  /// <param name="row"></param>
+  /// <returns></returns>
+  /// <exception cref="ACD.Exceptions.GeodatabaseException"></exception>
+  public void ProcessFeatureLayerColor(ACD.Row row, string rowApplicationId)
+  {
+    // if stored color is not null, this means the renderer was a simple renderer that applies to the entire layer, and was already created.
+    // just add the row application id to the color proxy.
+    if (StoredColor is int existingColorProxyId)
+    {
+      AddObjectIdToColorProxyCache(rowApplicationId, existingColorProxyId);
+    }
+
+    // get the color from the renderer and row
+    AC.CIM.CIMColor? color = null;
+    switch (StoredRenderer)
+    {
+      // simple renderers do not rely on fields, so the color can be retrieved from the renderer directly
+      case AC.CIM.CIMSimpleRenderer simpleRenderer:
+        color = simpleRenderer.Symbol.Symbol.GetColor();
+        break;
+
+      case AC.CIM.CIMUniqueValueRenderer uniqueValueRenderer:
+        color = GetRowColorByUniqueValueRenderer(uniqueValueRenderer, row);
+        break;
+
+      case AC.CIM.CIMClassBreaksRenderer classBreaksRenderer:
+        color = GetRowColorByClassBreaksRenderer(classBreaksRenderer, row);
+        break;
+    }
+
+    if (color is null)
+    {
+      // TODO: log error or throw exception that color could not be retrieved
+      return;
+    }
+
+    // get or create the color proxy for the row
+    int argb = CIMColorToInt(color);
+    AddObjectIdToColorProxyCache(rowApplicationId, argb);
+
+    // store color if from simple renderer
+    if (StoredRenderer is AC.CIM.CIMSimpleRenderer)
+    {
+      StoredColor = argb;
+    }
+  }
+
+  // Retrieves the row color from a class breaks renderer
+  // unique renderers have groups of conditions that may affect the color of a feature
+  // resulting in a different color than the default renderer symbol color
+  private AC.CIM.CIMColor? GetRowColorByClassBreaksRenderer(AC.CIM.CIMClassBreaksRenderer renderer, ACD.Row row)
+  {
+    AC.CIM.CIMColor? color = null;
+
+    // get the default symbol color
+    if (renderer.DefaultSymbol?.Symbol.GetColor() is AC.CIM.CIMColor defaultColor)
+    {
+      color = defaultColor;
+    }
+
+    // get the first stored field, since this renderer should only have 1 field
+    double storedFieldValue = Convert.ToDouble(row[StoredRendererFields.First()]);
+
+    List<AC.CIM.CIMClassBreak> reversedBreaks = new(renderer.Breaks);
+    reversedBreaks.Reverse();
+    foreach (var rBreak in reversedBreaks)
+    {
+      // keep looping until the last matching condition
+      if (storedFieldValue <= rBreak.UpperBound)
+      {
+        if (rBreak.Symbol.Symbol.GetColor() is AC.CIM.CIMColor breakColor)
+        {
+          color = breakColor;
+        }
+        else
+        {
+          // TODO: log error here, could not retrieve break color from symbol
+        }
+      }
+    }
+
+    return color;
+  }
+
+  // Retrieves the row color from a unique value renderer
+  // unique renderers have groups of conditions that may affect the color of a feature
+  // resulting in a different color than the default renderer symbol color
+  private AC.CIM.CIMColor? GetRowColorByUniqueValueRenderer(AC.CIM.CIMUniqueValueRenderer renderer, ACD.Row row)
+  {
+    AC.CIM.CIMColor? color = null;
+
+    // get the default symbol color
+    if (renderer.DefaultSymbol?.Symbol.GetColor() is AC.CIM.CIMColor defaultColor)
+    {
+      color = defaultColor;
+    }
+
+    // note: usually there is only 1 group
+    foreach (AC.CIM.CIMUniqueValueGroup group in renderer.Groups)
+    {
+      // loop through all values in groups to see if any have met conditions that result in a different color
+      foreach (AC.CIM.CIMUniqueValueClass groupClass in group.Classes)
+      {
+        bool groupConditionsMet = true;
+        foreach (AC.CIM.CIMUniqueValue value in groupClass.Values)
+        {
+          // all field values have to match the row values
+          for (int i = 0; i < StoredRendererFields.Count; i++)
+          {
+            string groupValue = value.FieldValues[i];
+            object? rowValue = row[StoredRendererFields[i]];
+
+            if (!ValuesAreEqual(groupValue, rowValue))
+            {
+              groupConditionsMet = false;
+              break;
+            }
+          }
+        }
+
+        // set the group color to class symbol color if conditions are met
+        if (groupConditionsMet)
+        {
+          if (groupClass.Symbol.Symbol.GetColor() is AC.CIM.CIMColor groupColor)
+          {
+            color = groupColor;
+          }
+          else
+          {
+            // TODO: log error here, could not retrieve group color from symbol
+          }
+        }
+      }
+    }
+
+    return color;
+  }
+
+  /// <summary>
+  /// Compares the label string of a UniqueValueRenderer (groupValue), and an object value (row, las point), to determine if they are equal
+  /// </summary>
+  /// <param name="objectValue"></param>
+  /// <param name="groupValue"></param>
+  private bool ValuesAreEqual(string groupValue, object? objectValue)
+  {
+    switch (objectValue)
+    {
+      case int:
+      case short:
+      case long:
+      case byte:
+        string objectValueString = Convert.ToString(objectValue) ?? "";
+        return groupValue.Equals(objectValueString);
+
+      case string:
+        return groupValue.Equals(objectValue);
+
+      // POC: these are tricky to compare with the label strings accurately, so will trim both values to 5 decimal places.
+      case double d:
+        return double.TryParse(groupValue, out double groupDouble) && groupDouble - d < 0.000001;
+      case float f:
+        return float.TryParse(groupValue, out float groupFloat) && groupFloat - f < 0.000001;
+
+      default:
+        return false;
+    }
+  }
+
+  private void AddObjectIdToColorProxyCache(string objectId, int argb)
+  {
+    if (ColorProxyCache.TryGetValue(argb, out ColorProxy? colorProxy))
+    {
+      colorProxy.objects.Add(objectId);
+    }
+    else
+    {
+      ColorProxy newColorProxy =
+        new()
+        {
+          name = argb.ToString(),
+          objects = new() { objectId },
+          value = argb,
+          applicationId = argb.ToString()
+        };
+
+      ColorProxyCache.Add(argb, newColorProxy);
+    }
+  }
+
+  private int ArgbToInt(int a, int r, int g, int b)
+  {
+    return (a << 24) | (r << 16) | (g << 8) | b;
+  }
+
+  // Gets the argb int from a CIMColor
+  // Defaults to assuming CIMColor.Values represent the red, green, and blue channels.
+  private int CIMColorToInt(AC.CIM.CIMColor color)
+  {
+    switch (color)
+    {
+      case AC.CIM.CIMHSVColor hsv:
+        (float hsvR, float hsvG, float hsvB) = RgbFromHsv(hsv.H, hsv.S, hsv.V);
+        return ArgbToInt(
+          (int)Math.Round(hsv.Alpha),
+          (int)Math.Round(hsvR * 255),
+          (int)Math.Round(hsvG * 255),
+          (int)Math.Round(hsvB * 255)
+        );
+
+      case AC.CIM.CIMCMYKColor cmyk:
+        float k = cmyk.K;
+        int cmykR = Convert.ToInt32(255 * (1 - cmyk.C) * (1 - k));
+        int cmykG = Convert.ToInt32(255 * (1 - cmyk.M) * (1 - k));
+        int cmykB = Convert.ToInt32(255 * (1 - cmyk.Y) * (1 - k));
+        return ArgbToInt((int)Math.Round(cmyk.Alpha), cmykR, cmykG, cmykB);
+
+      default:
+        return ArgbToInt(
+          (int)Math.Round(color.Alpha),
+          (int)Math.Round(color.Values[0]),
+          (int)Math.Round(color.Values[1]),
+          (int)Math.Round(color.Values[2])
+        );
+    }
+  }
+
+  private (float, float, float) RgbFromHsv(float hue, float saturation, float value)
+  {
+    // Translates HSV color to RGB color
+    // H: 0.0 - 360.0, S: 0.0 - 100.0, V: 0.0 - 100.0
+    // R, G, B: 0.0 - 1.0
+
+    float c = (value / 100) * (saturation / 100);
+    float x = c * (1 - Math.Abs(((hue / 60) % 2) - 1));
+    float m = (value / 100) - c;
+
+    float r = 0;
+    float g = 0;
+    float b = 0;
+
+    if (hue >= 0 && hue < 60)
+    {
+      r = c;
+      g = x;
+      b = 0;
+    }
+    else if (hue >= 60 && hue < 120)
+    {
+      r = x;
+      g = c;
+      b = 0;
+    }
+    else if (hue >= 120 && hue < 180)
+    {
+      r = 0;
+      g = c;
+      b = x;
+    }
+    else if (hue >= 180 && hue < 240)
+    {
+      r = 0;
+      g = x;
+      b = c;
+    }
+    else if (hue >= 240 && hue < 300)
+    {
+      r = x;
+      g = 0;
+      b = c;
+    }
+    else if (hue >= 300 && hue < 360)
+    {
+      r = c;
+      g = 0;
+      b = x;
+    }
+
+    r += m;
+    g += m;
+    b += m;
+
+    return (r, g, b);
+  }
+}

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/HostApp/ArcGISLayerUnpacker.cs

@@ -0,0 +1,97 @@
+using Speckle.Connectors.ArcGIS.HostApp.Extensions;
+using Speckle.Sdk.Models.Collections;
+
+namespace Speckle.Connectors.ArcGIS.HostApp;
+
+public class ArcGISLayerUnpacker
+{
+  /// <summary>
+  /// Cache of all collections created by unpacked Layer MapMembers. Key is the Speckle applicationId (Layer URI).
+  /// </summary>
+  public Dictionary<string, Collection> CollectionCache { get; } = new();
+
+  /// <summary>
+  /// Mapmembers can be layers containing objects, or LayerContainers containing other layers.
+  /// Unpacks selected mapMembers and creates their corresponding collection on the root collection.
+  /// </summary>
+  /// <param name="mapMembers"></param>
+  /// <param name="parentCollection"></param>
+  /// <returns>List of layers containing objects.</returns>
+  /// <exception cref="AC.CalledOnWrongThreadException">Thrown when this method is *not* called on the MCT, because this method accesses mapmember fields</exception>
+  public async Task<List<ADM.MapMember>> UnpackSelectionAsync(
+    IEnumerable<ADM.MapMember> mapMembers,
+    Collection parentCollection,
+    List<ADM.MapMember>? objects = null
+  )
+  {
+    if (objects is null)
+    {
+      objects = new();
+    }
+
+    foreach (ADM.MapMember mapMember in mapMembers)
+    {
+      switch (mapMember)
+      {
+        case ADM.ILayerContainer container:
+          Collection containerCollection = CreateAndCacheMapMemberCollection(mapMember, true);
+          parentCollection.elements.Add(containerCollection);
+
+          await UnpackSelectionAsync(container.Layers, containerCollection, objects).ConfigureAwait(false);
+          break;
+
+        default:
+          if (!(objects.Contains(mapMember)))
+          {
+            Collection collection = CreateAndCacheMapMemberCollection(mapMember);
+            parentCollection.elements.Add(collection);
+            objects.Add(mapMember);
+          }
+          break;
+      }
+    }
+
+    return objects;
+  }
+
+  private Collection CreateAndCacheMapMemberCollection(ADM.MapMember mapMember, bool isLayerContainer = false)
+  {
+    string mapMemberApplicationId = mapMember.GetSpeckleApplicationId();
+    Collection collection =
+      new()
+      {
+        name = mapMember.Name,
+        applicationId = mapMemberApplicationId,
+        ["type"] = mapMember.GetType().Name
+      };
+
+    switch (mapMember)
+    {
+      case ADM.IDisplayTable displayTable: // get fields from layers that implement IDisplayTable, eg FeatureLayer or StandaloneTable
+        Dictionary<string, string>? fields = displayTable
+          .GetFieldDescriptions()
+          .ToDictionary(field => field.Name, field => field.Type.ToString());
+        collection["fields"] = fields;
+        if (mapMember is ADM.BasicFeatureLayer basicFeatureLayer)
+        {
+          collection["shapeType"] = basicFeatureLayer.ShapeType.ToString();
+        }
+        break;
+
+      case ADM.Layer layer:
+        collection["mapLayerType"] = layer.MapLayerType.ToString();
+        break;
+
+      case ADM.ILayerContainer:
+      default:
+        break;
+    }
+
+    if (!isLayerContainer) // do not cache layer containers, since these won't contain any objects
+    {
+      CollectionCache.Add(mapMemberApplicationId, collection);
+    }
+
+    return collection;
+  }
+}

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/HostApp/Extensions/SpeckleApplicationIdExtensions.cs

@@ -0,0 +1,31 @@
+using ArcGIS.Core.Data.Raster;
+
+namespace Speckle.Connectors.ArcGIS.HostApp.Extensions;
+
+public static class SpeckleApplicationIdExtensions
+{
+  /// <summary>
+  /// Retrieves the Speckle application id for map members
+  /// </summary>
+  public static string GetSpeckleApplicationId(this ADM.MapMember mapMember) => mapMember.URI;
+
+  /// <summary>
+  /// Constructs the Speckle application id for Features as a concatenation of the layer URI (applicationId)
+  /// and the row OID (index of row in layer).
+  /// </summary>
+  /// <exception cref="ACD.Exceptions.GeodatabaseException">Throws when this is *not* called on MCT. Use QueuedTask.Run.</exception>
+  public static string GetSpeckleApplicationId(this ACD.Row row, string layerApplicationId) =>
+    $"{layerApplicationId}_{row.GetObjectID()}";
+
+  /// <summary>
+  /// Constructs the Speckle application id for Raster as a concatenation of the layer URI (applicationId) and 0-index
+  /// </summary>
+  public static string GetSpeckleApplicationId(this Raster _, string layerApplicationId) => $"{layerApplicationId}_0";
+
+  /// <summary>
+  /// Constructs the Speckle application id for LasDatasets as a concatenation of the layer URI (applicationId)
+  /// and point OID.
+  /// </summary>
+  public static string GetSpeckleApplicationId(this ACD.Analyst3D.LasPoint point, string layerApplicationId) =>
+    $"{layerApplicationId}_{point.PointID}";
+}

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Operations/Receive/ArcGISHostObjectBuilder.cs

@@ -12,7 +12,7 @@ using Speckle.Connectors.Common.Operations;
 using Speckle.Converters.ArcGIS3;
 using Speckle.Converters.ArcGIS3.Utils;
 using Speckle.Converters.Common;
-using Speckle.Objects.GIS;
+using Speckle.Objects.Data;
 using Speckle.Objects.Other;
 using Speckle.Sdk;
 using Speckle.Sdk.Models;
@@ -20,7 +20,6 @@ using Speckle.Sdk.Models.Collections;
 using Speckle.Sdk.Models.GraphTraversal;
 using Speckle.Sdk.Models.Instances;
 using Speckle.Sdk.Models.Proxies;
-using RasterLayer = Speckle.Objects.GIS.RasterLayer;
 
 namespace Speckle.Connectors.ArcGIS.Operations.Receive;
 
@@ -30,7 +29,6 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
   private readonly IFeatureClassUtils _featureClassUtils;
   private readonly ILocalToGlobalUnpacker _localToGlobalUnpacker;
   private readonly LocalToGlobalConverterUtils _localToGlobalConverterUtils;
-  private readonly ICrsUtils _crsUtils;
 
   // POC: figure out the correct scope to only initialize on Receive
   private readonly IConverterSettingsStore<ArcGISConversionSettings> _settingsStore;
@@ -43,7 +41,6 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
     IFeatureClassUtils featureClassUtils,
     ILocalToGlobalUnpacker localToGlobalUnpacker,
     LocalToGlobalConverterUtils localToGlobalConverterUtils,
-    ICrsUtils crsUtils,
     GraphTraversal traverseFunction,
     ArcGISColorManager colorManager
   )
@@ -55,7 +52,6 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
     _localToGlobalConverterUtils = localToGlobalConverterUtils;
     _traverseFunction = traverseFunction;
     _colorManager = colorManager;
-    _crsUtils = crsUtils;
   }
 
   public async Task<HostObjectBuilderResult> Build(
@@ -89,7 +85,7 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
     }
 
     int count = 0;
-    List<LocalToGlobalMap> objectsToConvert = GetObjectsToConvert(rootObject);
+    IReadOnlyCollection<LocalToGlobalMap> objectsToConvert = GetObjectsToConvert(rootObject);
     Dictionary<TraversalContext, ObjectConversionTracker> conversionTracker = new();
 
     // 1. convert everything
@@ -104,13 +100,15 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
       try
       {
         obj = _localToGlobalConverterUtils.TransformObjects(objectToConvert.AtomicObject, objectToConvert.Matrix);
-        object? conversionResult =
-          obj is GisNonGeometricFeature
-            ? null
-            : await QueuedTask.Run(() => _converter.Convert(obj)).ConfigureAwait(false);
+        object? conversionResult = await QueuedTask.Run(() => _converter.Convert(obj)).ConfigureAwait(false);
 
         string nestedLayerPath = $"{string.Join("\\", path)}";
-        if (objectToConvert.TraversalContext.Parent?.Current is not VectorLayer)
+
+        if (obj is ArcgisObject gisObj)
+        {
+          nestedLayerPath += $"\\{gisObj.name}";
+        }
+        else
         {
           nestedLayerPath += $"\\{obj.speckle_type.Split(".")[^1]}"; // add sub-layer by speckleType, for non-GIS objects
         }
@@ -242,15 +240,11 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
     return new(bakedObjectIds, results);
   }
 
-  private List<LocalToGlobalMap> GetObjectsToConvert(Base rootObject)
+  private IReadOnlyCollection<LocalToGlobalMap> GetObjectsToConvert(Base rootObject)
   {
     // keep GISlayers in the list, because they are still needed to extract CRS of the commit (code below)
     List<TraversalContext> objectsToConvertTc = _traverseFunction.Traverse(rootObject).ToList();
 
-    // get CRS from any present VectorLayer
-    Base? vLayer = objectsToConvertTc.FirstOrDefault(x => x.Current is VectorLayer)?.Current;
-    using var crs = _crsUtils.FindSetCrsDataOnReceive(vLayer); // TODO help
-
     // now filter the objects
     objectsToConvertTc = objectsToConvertTc.Where(ctx => ctx.Current is not Collection).ToList();
 
@@ -419,17 +413,4 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
     var originalPath = reverseOrderPath.Reverse().ToArray();
     return originalPath.Where(x => !string.IsNullOrEmpty(x)).ToArray();
   }
-
-  [Pure]
-  private static bool HasGISParent(TraversalContext context)
-  {
-    List<Base> gisLayers = context.GetAscendants().Where(IsGISType).Where(obj => obj != context.Current).ToList();
-    return gisLayers.Count > 0;
-  }
-
-  [Pure]
-  private static bool IsGISType(Base obj)
-  {
-    return obj is RasterLayer or VectorLayer;
-  }
 }

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Operations/Send/ArcGISRootObjectBuilder.cs

@@ -1,8 +1,9 @@
-using System.Diagnostics;
+using ArcGIS.Core.Data.Raster;
+using ArcGIS.Core.Geometry;
 using ArcGIS.Desktop.Framework.Threading.Tasks;
-using ArcGIS.Desktop.Mapping;
 using Microsoft.Extensions.Logging;
 using Speckle.Connectors.ArcGIS.HostApp;
+using Speckle.Connectors.ArcGIS.HostApp.Extensions;
 using Speckle.Connectors.ArcGIS.Utils;
 using Speckle.Connectors.Common.Builders;
 using Speckle.Connectors.Common.Caching;
@@ -11,51 +12,50 @@ using Speckle.Connectors.Common.Extensions;
 using Speckle.Connectors.Common.Operations;
 using Speckle.Converters.ArcGIS3;
 using Speckle.Converters.Common;
-using Speckle.Objects.GIS;
 using Speckle.Sdk;
 using Speckle.Sdk.Logging;
 using Speckle.Sdk.Models;
 using Speckle.Sdk.Models.Collections;
-using Speckle.Sdk.Models.Proxies;
 
 namespace Speckle.Connectors.ArcGis.Operations.Send;
 
 /// <summary>
 /// Stateless builder object to turn an ISendFilter into a <see cref="Base"/> object
 /// </summary>
-public class ArcGISRootObjectBuilder : IRootObjectBuilder<MapMember>
+public class ArcGISRootObjectBuilder : IRootObjectBuilder<ADM.MapMember>
 {
   private readonly IRootToSpeckleConverter _rootToSpeckleConverter;
   private readonly ISendConversionCache _sendConversionCache;
-  private readonly ArcGISColorManager _colorManager;
+  private readonly ArcGISLayerUnpacker _layerUnpacker;
+  private readonly ArcGISColorUnpacker _colorUnpacker;
   private readonly IConverterSettingsStore<ArcGISConversionSettings> _converterSettings;
-  private readonly MapMembersUtils _mapMemberUtils;
   private readonly ILogger<ArcGISRootObjectBuilder> _logger;
   private readonly ISdkActivityFactory _activityFactory;
+  private readonly MapMembersUtils _mapMemberUtils;
 
   public ArcGISRootObjectBuilder(
     ISendConversionCache sendConversionCache,
-    ArcGISColorManager colorManager,
+    ArcGISLayerUnpacker layerUnpacker,
+    ArcGISColorUnpacker colorUnpacker,
     IConverterSettingsStore<ArcGISConversionSettings> converterSettings,
     IRootToSpeckleConverter rootToSpeckleConverter,
-    MapMembersUtils mapMemberUtils,
     ILogger<ArcGISRootObjectBuilder> logger,
-    ISdkActivityFactory activityFactory
+    ISdkActivityFactory activityFactory,
+    MapMembersUtils mapMemberUtils
   )
   {
     _sendConversionCache = sendConversionCache;
-    _colorManager = colorManager;
+    _layerUnpacker = layerUnpacker;
+    _colorUnpacker = colorUnpacker;
     _converterSettings = converterSettings;
     _rootToSpeckleConverter = rootToSpeckleConverter;
-    _mapMemberUtils = mapMemberUtils;
     _logger = logger;
     _activityFactory = activityFactory;
+    _mapMemberUtils = mapMemberUtils;
   }
 
-#pragma warning disable CA1506
   public async Task<RootObjectBuilderResult> Build(
-#pragma warning restore CA1506
-    IReadOnlyList<MapMember> objects,
+    IReadOnlyList<ADM.MapMember> layers,
     SendInfo sendInfo,
     IProgress<CardProgress> onOperationProgressed,
     CancellationToken ct = default
@@ -64,126 +64,122 @@ public class ArcGISRootObjectBuilder : IRootObjectBuilder<MapMember>
     // TODO: add a warning if Geographic CRS is set
     // "Data has been sent in the units 'degrees'. It is advisable to set the project CRS to Projected type (e.g. EPSG:32631) to be able to receive geometry correctly in CAD/BIM software"
 
-    int count = 0;
 
-    Collection rootObjectCollection = new() { name = MapView.Active.Map.Name }; //TODO: Collections
-    rootObjectCollection["units"] = _converterSettings.Current.SpeckleUnits;
+    // 0 - Create Root collection and attach CRS properties
+    // CRS properties are useful for data based workflows coming out of gis applications
+    SpatialReference sr = _converterSettings.Current.ActiveCRSoffsetRotation.SpatialReference;
+    Dictionary<string, object?> spatialReference =
+      new()
+      {
+        ["name"] = sr.Name,
+        ["unit"] = sr.Unit.Name,
+        ["wkid"] = sr.Wkid,
+        ["wkt"] = sr.Wkt,
+      };
 
-    List<SendConversionResult> results = new(objects.Count);
-    var cacheHitCount = 0;
-    List<(ILayerContainer, Collection)> nestedGroups = new();
+    Dictionary<string, object?> crs =
+      new()
+      {
+        ["trueNorthRadians"] = _converterSettings.Current.ActiveCRSoffsetRotation.TrueNorthRadians,
+        ["latOffset"] = _converterSettings.Current.ActiveCRSoffsetRotation.LatOffset,
+        ["lonOffset"] = _converterSettings.Current.ActiveCRSoffsetRotation.LonOffset,
+        ["spatialReference"] = spatialReference
+      };
 
-    // reorder selected layers by Table of Content (TOC) order
-    List<(MapMember, int)> layersWithDisplayPriority = _mapMemberUtils.GetLayerDisplayPriority(
-      MapView.Active.Map,
-      objects
-    );
+    Collection rootCollection =
+      new()
+      {
+        name = ADM.MapView.Active.Map.Name,
+        ["units"] = _converterSettings.Current.SpeckleUnits,
+        ["crs"] = crs
+      };
 
-    onOperationProgressed.Report(new("Converting", null));
-    using (var __ = _activityFactory.Start("Converting objects"))
+    // 1 - Unpack the selected mapmembers
+    // In Arcgis, mapmembers are collections of other mapmember or objects.
+    // We need to unpack the selected mapmembers into all leaf-level mapmembers (containing just objects) and build the root collection structure during unpacking.
+    // Mapmember dynamically attached properties are also added at this step.
+    List<ADM.MapMember> unpackedLayers;
+    ADM.Map map = ADM.MapView.Active.Map;
+    IEnumerable<ADM.MapMember> layersOrdered = _mapMemberUtils.GetMapMembersInOrder(map, layers);
+    using (var _ = _activityFactory.Start("Unpacking selection"))
     {
-      foreach ((MapMember mapMember, _) in layersWithDisplayPriority)
+      unpackedLayers = await QueuedTask
+        .Run(() => _layerUnpacker.UnpackSelectionAsync(layersOrdered, rootCollection))
+        .ConfigureAwait(false);
+    }
+
+    List<SendConversionResult> results = new(unpackedLayers.Count);
+    onOperationProgressed.Report(new("Converting", null));
+    using (var convertingActivity = _activityFactory.Start("Converting objects"))
+    {
+      int count = 0;
+      foreach (ADM.MapMember layer in unpackedLayers)
       {
         ct.ThrowIfCancellationRequested();
+        string layerApplicationId = layer.GetSpeckleApplicationId();
 
-        using (var convertingActivity = _activityFactory.Start("Converting object"))
+        try
         {
-          var collectionHost = rootObjectCollection;
-          string applicationId = mapMember.URI;
-          string sourceType = mapMember.GetType().Name;
-
-          Base converted;
-          try
+          // get the corresponding collection for this layer - we'll add all converted objects to the collection
+          if (_layerUnpacker.CollectionCache.TryGetValue(layerApplicationId, out Collection? layerCollection))
           {
-            int groupCount = nestedGroups.Count; // bake here, because count will change in the loop
-            // if the layer is not a part of the group, reset groups
-            for (int i = 0; i < groupCount; i++)
-            {
-              if (nestedGroups.Count > 0 && !nestedGroups[0].Item1.Layers.Select(x => x.URI).Contains(applicationId))
-              {
-                nestedGroups.RemoveAt(0);
-              }
-              else
-              {
-                // break at the first group, which contains current layer
-                break;
-              }
-            }
+            var status = Status.SUCCESS;
+            var sdkStatus = SdkActivityStatusCode.Ok;
 
-            // don't use cache for group layers
-            if (
-              mapMember is not ILayerContainer
-              && _sendConversionCache.TryGetValue(sendInfo.ProjectId, applicationId, out ObjectReference? value)
-            )
+            // TODO: check cache first to see if this layer was previously converted
+            /*
+            if (_sendConversionCache.TryGetValue(
+              sendInfo.ProjectId,
+              layerApplicationId,
+              out ObjectReference? value
+            ))
             {
-              converted = value;
-              cacheHitCount++;
+
             }
-            else
+            */
+
+            switch (layer)
             {
-              if (mapMember is ILayerContainer group)
-              {
-                // group layer will always come before it's contained layers
-                // keep active group last in the list
-                converted = new Collection();
-                nestedGroups.Insert(0, (group, (Collection)converted));
-              }
-              else
-              {
-                converted = await QueuedTask
-                  .Run(() => (Collection)_rootToSpeckleConverter.Convert(mapMember))
+              case ADM.FeatureLayer featureLayer:
+                List<Base> convertedFeatureLayerObjects = await QueuedTask
+                  .Run(() => ConvertFeatureLayerObjectsAsync(featureLayer))
                   .ConfigureAwait(false);
-
-                // get units & Active CRS (for writing geometry coords)
-                converted["units"] = _converterSettings.Current.SpeckleUnits;
-
-                var spatialRef = _converterSettings.Current.ActiveCRSoffsetRotation.SpatialReference;
-                converted["crs"] = new CRS
-                {
-                  wkt = spatialRef.Wkt,
-                  name = spatialRef.Name,
-                  offset_y = Convert.ToSingle(_converterSettings.Current.ActiveCRSoffsetRotation.LatOffset),
-                  offset_x = Convert.ToSingle(_converterSettings.Current.ActiveCRSoffsetRotation.LonOffset),
-                  rotation = Convert.ToSingle(_converterSettings.Current.ActiveCRSoffsetRotation.TrueNorthRadians),
-                  units_native = _converterSettings.Current.SpeckleUnits
-                };
-              }
-
-              // other common properties for layers and groups
-              converted["name"] = mapMember.Name;
-              converted.applicationId = applicationId;
+                layerCollection.elements.AddRange(convertedFeatureLayerObjects);
+                break;
+              case ADM.RasterLayer rasterLayer:
+                List<Base> convertedRasterLayerObjects = await QueuedTask
+                  .Run(() => ConvertRasterLayerObjectsAsync(rasterLayer))
+                  .ConfigureAwait(false);
+                layerCollection.elements.AddRange(convertedRasterLayerObjects);
+                break;
+              case ADM.LasDatasetLayer lasDatasetLayer:
+                List<Base> convertedLasDatasetObjects = await QueuedTask
+                  .Run(() => ConvertLasDatasetLayerObjectsAsync(lasDatasetLayer))
+                  .ConfigureAwait(false);
+                layerCollection.elements.AddRange(convertedLasDatasetObjects);
+                break;
+              default:
+                status = Status.ERROR;
+                sdkStatus = SdkActivityStatusCode.Error;
+                break;
             }
-
-            if (
-              nestedGroups.Count == 0
-              || nestedGroups.Count == 1 && nestedGroups[0].Item2.applicationId == applicationId
-            )
-            {
-              // add to host if no groups, or current root group
-              collectionHost.elements.Add(converted);
-            }
-            else
-            {
-              // if we are adding a layer inside the group
-              var parentCollection = nestedGroups.FirstOrDefault(x =>
-                x.Item1.Layers.Select(y => y.URI).Contains(applicationId)
-              );
-              parentCollection.Item2.elements.Add(converted);
-            }
-
-            results.Add(new(Status.SUCCESS, applicationId, sourceType, converted));
-            convertingActivity?.SetStatus(SdkActivityStatusCode.Ok);
+            results.Add(new(status, layerApplicationId, layer.GetType().Name, layerCollection));
+            convertingActivity?.SetStatus(sdkStatus);
           }
-          catch (Exception ex) when (!ex.IsFatal())
+          else
           {
-            _logger.LogSendConversionError(ex, sourceType);
-            results.Add(new(Status.ERROR, applicationId, sourceType, null, ex));
-            convertingActivity?.SetStatus(SdkActivityStatusCode.Error);
-            convertingActivity?.RecordException(ex);
+            throw new SpeckleException($"No converted Collection found for layer {layerApplicationId}.");
           }
         }
+        catch (Exception ex) when (!ex.IsFatal())
+        {
+          _logger.LogSendConversionError(ex, layer.GetType().Name);
+          results.Add(new(Status.ERROR, layerApplicationId, layer.GetType().Name, null, ex));
+          convertingActivity?.SetStatus(SdkActivityStatusCode.Error);
+          convertingActivity?.RecordException(ex);
+        }
 
-        onOperationProgressed.Report(new("Converting", (double)++count / objects.Count));
+        onOperationProgressed.Report(new("Converting", (double)++count / layers.Count));
       }
     }
 
@@ -192,15 +188,108 @@ public class ArcGISRootObjectBuilder : IRootObjectBuilder<MapMember>
       throw new SpeckleException("Failed to convert all objects."); // fail fast instead creating empty commit! It will appear as model card error with red color.
     }
 
-    // POC: Add Color Proxies
-    List<ColorProxy> colorProxies = _colorManager.UnpackColors(layersWithDisplayPriority);
-    rootObjectCollection[ProxyKeys.COLOR] = colorProxies;
+    // 3 -  Add Color Proxies
+    rootCollection[ProxyKeys.COLOR] = _colorUnpacker.ColorProxyCache.Values.ToList();
 
-    // POC: Log would be nice, or can be removed.
-    Debug.WriteLine(
-      $"Cache hit count {cacheHitCount} out of {objects.Count} ({(double)cacheHitCount / objects.Count})"
-    );
+    return new RootObjectBuilderResult(rootCollection, results);
+  }
 
-    return new RootObjectBuilderResult(rootObjectCollection, results);
+  private async Task<List<Base>> ConvertFeatureLayerObjectsAsync(ADM.FeatureLayer featureLayer)
+  {
+    string layerApplicationId = featureLayer.GetSpeckleApplicationId();
+    List<Base> convertedObjects = new();
+    await QueuedTask
+      .Run(() =>
+      {
+        // store the layer renderer for color unpacking
+        _colorUnpacker.StoreRendererAndFields(featureLayer);
+
+        // search the rows of the layer, where each row is treated like an object
+        // RowCursor is IDisposable but is not being correctly picked up by IDE warnings.
+        // This means we need to be carefully adding using statements based on the API documentation coming from each method/class
+        using (ACD.RowCursor rowCursor = featureLayer.Search())
+        {
+          while (rowCursor.MoveNext())
+          {
+            // Same IDisposable issue appears to happen on Row class too. Docs say it should always be disposed of manually by the caller.
+            using (ACD.Row row = rowCursor.Current)
+            {
+              // get application id. test for subtypes before defaulting to base type.
+              Base converted = _rootToSpeckleConverter.Convert(row);
+              string applicationId = row.GetSpeckleApplicationId(layerApplicationId);
+              converted.applicationId = applicationId;
+
+              convertedObjects.Add(converted);
+
+              // process the object color
+              _colorUnpacker.ProcessFeatureLayerColor(row, applicationId);
+            }
+          }
+        }
+      })
+      .ConfigureAwait(false);
+
+    return convertedObjects;
+  }
+
+  // POC: raster colors are stored as mesh vertex colors in RasterToSpeckleConverter. Should probably move to color unpacker.
+  private async Task<List<Base>> ConvertRasterLayerObjectsAsync(ADM.RasterLayer rasterLayer)
+  {
+    string layerApplicationId = rasterLayer.GetSpeckleApplicationId();
+    List<Base> convertedObjects = new();
+    await QueuedTask
+      .Run(() =>
+      {
+        Raster raster = rasterLayer.GetRaster();
+        Base converted = _rootToSpeckleConverter.Convert(raster);
+        string applicationId = raster.GetSpeckleApplicationId(layerApplicationId);
+        converted.applicationId = applicationId;
+        convertedObjects.Add(converted);
+      })
+      .ConfigureAwait(false);
+
+    return convertedObjects;
+  }
+
+  private async Task<List<Base>> ConvertLasDatasetLayerObjectsAsync(ADM.LasDatasetLayer lasDatasetLayer)
+  {
+    string layerApplicationId = lasDatasetLayer.GetSpeckleApplicationId();
+    List<Base> convertedObjects = new();
+
+    try
+    {
+      await QueuedTask
+        .Run(() =>
+        {
+          // store the layer renderer for color unpacking
+          _colorUnpacker.StoreRenderer(lasDatasetLayer);
+
+          using (
+            ACD.Analyst3D.LasPointCursor ptCursor = lasDatasetLayer.SearchPoints(new ACD.Analyst3D.LasPointFilter())
+          )
+          {
+            while (ptCursor.MoveNext())
+            {
+              using (ACD.Analyst3D.LasPoint pt = ptCursor.Current)
+              {
+                Base converted = _rootToSpeckleConverter.Convert(pt);
+                string applicationId = pt.GetSpeckleApplicationId(layerApplicationId);
+                converted.applicationId = applicationId;
+                convertedObjects.Add(converted);
+
+                // process the object color
+                _colorUnpacker.ProcessLasLayerColor(pt, applicationId);
+              }
+            }
+          }
+        })
+        .ConfigureAwait(false);
+    }
+    catch (ACD.Exceptions.TinException ex)
+    {
+      throw new SpeckleException("3D analyst extension is not enabled for .las layer operations", ex);
+    }
+
+    return convertedObjects;
   }
 }

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Utils/ArcGisDocumentStore.cs

@@ -5,18 +5,14 @@ using ArcGIS.Desktop.Mapping;
 using ArcGIS.Desktop.Mapping.Events;
 using Speckle.Connectors.DUI.Bridge;
 using Speckle.Connectors.DUI.Models;
-using Speckle.Newtonsoft.Json;
-using Speckle.Sdk.Common;
+using Speckle.Connectors.DUI.Utils;
 
 namespace Speckle.Connectors.ArcGIS.Utils;
 
 public class ArcGISDocumentStore : DocumentModelStore
 {
-  public ArcGISDocumentStore(
-    JsonSerializerSettings serializerOption,
-    ITopLevelExceptionHandler topLevelExceptionHandler
-  )
-    : base(serializerOption, true)
+  public ArcGISDocumentStore(IJsonSerializer jsonSerializer, ITopLevelExceptionHandler topLevelExceptionHandler)
+    : base(jsonSerializer)
   {
     ActiveMapViewChangedEvent.Subscribe(a => topLevelExceptionHandler.CatchUnhandled(() => OnMapViewChanged(a)), true);
     ProjectSavingEvent.Subscribe(
@@ -40,7 +36,7 @@ public class ArcGISDocumentStore : DocumentModelStore
     if (!IsDocumentInit && MapView.Active != null)
     {
       IsDocumentInit = true;
-      ReadFromFile();
+      LoadState();
       OnDocumentChanged();
     }
   }
@@ -52,14 +48,14 @@ public class ArcGISDocumentStore : DocumentModelStore
       return;
     }
 
-    WriteToFile();
+    SaveState();
   }
 
   private void OnProjectSaving()
   {
     if (MapView.Active is not null)
     {
-      WriteToFile();
+      SaveState();
     }
   }
 
@@ -74,11 +70,11 @@ public class ArcGISDocumentStore : DocumentModelStore
     }
 
     IsDocumentInit = true;
-    ReadFromFile();
+    LoadState();
     OnDocumentChanged();
   }
 
-  public override void WriteToFile()
+  protected override void HostAppSaveState(string modelCardState)
   {
     Map map = MapView.Active.Map;
     QueuedTask.Run(() =>
@@ -91,9 +87,7 @@ public class ArcGISDocumentStore : DocumentModelStore
         ? XDocument.Parse(existingMetadata)
         : new XDocument(new XElement("metadata"));
 
-      string serializedModels = Serialize();
-
-      XElement xmlModelCards = new("SpeckleModelCards", serializedModels);
+      XElement xmlModelCards = new("SpeckleModelCards", modelCardState);
 
       // Check if SpeckleModelCards element already exists at root and update it
       var speckleModelCardsElement = existingXmlDocument.Root?.Element("SpeckleModelCards");
@@ -110,7 +104,7 @@ public class ArcGISDocumentStore : DocumentModelStore
     });
   }
 
-  public override void ReadFromFile()
+  protected override void LoadState()
   {
     Map map = MapView.Active.Map;
     QueuedTask.Run(() =>
@@ -120,12 +114,12 @@ public class ArcGISDocumentStore : DocumentModelStore
       var element = root?.Element("SpeckleModelCards");
       if (element is null)
       {
-        Models = new();
+        ClearAndSave();
         return;
       }
 
       string modelsString = element.Value;
-      Models = Deserialize(modelsString).NotNull();
+      LoadFromString(modelsString);
     });
   }
 }

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Utils/MapMembersUtils.cs

@@ -40,24 +40,22 @@ public class MapMembersUtils
     return mapMembers;
   }
 
-  // Gets the layer display priority for selected layers
-  public List<(MapMember, int)> GetLayerDisplayPriority(Map map, IReadOnlyList<MapMember> selectedMapMembers)
+  /// <summary>
+  /// Sorts the selected mapmembers into the same order as they appear in the Table of Contents (TOC) bar in the file.
+  /// This is a required step before unpacking layers, because depending on the user selection order, some children layers may appear before their container layer if both the container and children layers are selected.
+  /// </summary>
+  public IEnumerable<MapMember> GetMapMembersInOrder(Map map, IReadOnlyList<MapMember> selectedMapMembers)
   {
     // first get all map layers
     List<MapMember> allMapMembers = GetAllMapMembers(map);
 
     // recalculate selected layer priority from all map layers
-    List<(MapMember, int)> selectedLayers = new();
-    int newCount = 0;
     foreach (MapMember mapMember in allMapMembers)
     {
       if (selectedMapMembers.Contains(mapMember))
       {
-        selectedLayers.Add((mapMember, newCount));
-        newCount++;
+        yield return mapMember;
       }
     }
-
-    return selectedLayers;
   }
 }

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/packages.lock.json

@@ -231,9 +231,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )"
         }
       },
       "speckle.connectors.dui": {
@@ -241,8 +241,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )",
           "System.Threading.Tasks.Dataflow": "[6.0.0, )"
         }
       },
@@ -267,7 +267,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -299,18 +299,18 @@
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "r6GGA7Pq4CPGYOu6OmmLW/hhhREo/l44RUFhsoYmpHNGpOg1UjF45dwyfLgaU38wrNxQoURjLUQDkxGfhb8liA==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "2thsMUDkRr7lR0PXZJ8k3KWZLWjz/aBY0KaO2SuXM0lIKyJw1APMJ7lXJ89e6JAjBzEbK8yLHBb0qtfcc4bNRw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.181"
+          "Speckle.Sdk": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "VmRRphUJm+qfcjtdzxkTstAD0opaIP57tP6GJ2YnalyRj3wBTGBQuy7gwhGjWyAvsMnkugpKFEfAVuNm/zHQ2A==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "UTgz9UgkMFGqRLmCq1HPo74MngvKbSZOFWaMRzASHrrnsBtzZatBXjoJBlvVoeBCoiea5Jj+BgZg6RvlV2m3sg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
           "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
@@ -320,14 +320,14 @@
           "Microsoft.Extensions.Logging": "2.2.0",
           "Speckle.DoubleNumerics": "4.0.1",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.181"
+          "Speckle.Sdk.Dependencies": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "W7Nb3hAPlLXGZmEFWdf9vyhXKGZk3M+lypEKB+IWQVwr3NL+bzPgfw2130kTuMr/9zGx8jUbSfx2ulTql9mZxw=="
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "5hqBd9whAs5cC8S/6YUgKFOivjntAkVutKhz06XD/f3Kj6xScT3hwcUaWBxiwK3Mw7FLtiVuU1uG777pjn0PKQ=="
       },
       "System.Threading.Tasks.Dataflow": {
         "type": "CentralTransitive",

Connectors/Autocad/Speckle.Connectors.Autocad2022/packages.lock.json

@@ -264,9 +264,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )"
         }
       },
       "speckle.connectors.dui": {
@@ -274,8 +274,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )",
           "System.Threading.Tasks.Dataflow": "[6.0.0, )"
         }
       },
@@ -300,7 +300,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -338,18 +338,18 @@
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "r6GGA7Pq4CPGYOu6OmmLW/hhhREo/l44RUFhsoYmpHNGpOg1UjF45dwyfLgaU38wrNxQoURjLUQDkxGfhb8liA==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "2thsMUDkRr7lR0PXZJ8k3KWZLWjz/aBY0KaO2SuXM0lIKyJw1APMJ7lXJ89e6JAjBzEbK8yLHBb0qtfcc4bNRw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.181"
+          "Speckle.Sdk": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "VmRRphUJm+qfcjtdzxkTstAD0opaIP57tP6GJ2YnalyRj3wBTGBQuy7gwhGjWyAvsMnkugpKFEfAVuNm/zHQ2A==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "UTgz9UgkMFGqRLmCq1HPo74MngvKbSZOFWaMRzASHrrnsBtzZatBXjoJBlvVoeBCoiea5Jj+BgZg6RvlV2m3sg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
           "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
@@ -359,14 +359,14 @@
           "Microsoft.Extensions.Logging": "2.2.0",
           "Speckle.DoubleNumerics": "4.0.1",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.181"
+          "Speckle.Sdk.Dependencies": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "W7Nb3hAPlLXGZmEFWdf9vyhXKGZk3M+lypEKB+IWQVwr3NL+bzPgfw2130kTuMr/9zGx8jUbSfx2ulTql9mZxw=="
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "5hqBd9whAs5cC8S/6YUgKFOivjntAkVutKhz06XD/f3Kj6xScT3hwcUaWBxiwK3Mw7FLtiVuU1uG777pjn0PKQ=="
       },
       "System.Threading.Tasks.Dataflow": {
         "type": "CentralTransitive",

Connectors/Autocad/Speckle.Connectors.Autocad2023/packages.lock.json

@@ -264,9 +264,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )"
         }
       },
       "speckle.connectors.dui": {
@@ -274,8 +274,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )",
           "System.Threading.Tasks.Dataflow": "[6.0.0, )"
         }
       },
@@ -300,7 +300,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -338,18 +338,18 @@
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "r6GGA7Pq4CPGYOu6OmmLW/hhhREo/l44RUFhsoYmpHNGpOg1UjF45dwyfLgaU38wrNxQoURjLUQDkxGfhb8liA==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "2thsMUDkRr7lR0PXZJ8k3KWZLWjz/aBY0KaO2SuXM0lIKyJw1APMJ7lXJ89e6JAjBzEbK8yLHBb0qtfcc4bNRw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.181"
+          "Speckle.Sdk": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "VmRRphUJm+qfcjtdzxkTstAD0opaIP57tP6GJ2YnalyRj3wBTGBQuy7gwhGjWyAvsMnkugpKFEfAVuNm/zHQ2A==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "UTgz9UgkMFGqRLmCq1HPo74MngvKbSZOFWaMRzASHrrnsBtzZatBXjoJBlvVoeBCoiea5Jj+BgZg6RvlV2m3sg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
           "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
@@ -359,14 +359,14 @@
           "Microsoft.Extensions.Logging": "2.2.0",
           "Speckle.DoubleNumerics": "4.0.1",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.181"
+          "Speckle.Sdk.Dependencies": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "W7Nb3hAPlLXGZmEFWdf9vyhXKGZk3M+lypEKB+IWQVwr3NL+bzPgfw2130kTuMr/9zGx8jUbSfx2ulTql9mZxw=="
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "5hqBd9whAs5cC8S/6YUgKFOivjntAkVutKhz06XD/f3Kj6xScT3hwcUaWBxiwK3Mw7FLtiVuU1uG777pjn0PKQ=="
       },
       "System.Threading.Tasks.Dataflow": {
         "type": "CentralTransitive",

Connectors/Autocad/Speckle.Connectors.Autocad2024/packages.lock.json

@@ -264,9 +264,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )"
         }
       },
       "speckle.connectors.dui": {
@@ -274,8 +274,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )",
           "System.Threading.Tasks.Dataflow": "[6.0.0, )"
         }
       },
@@ -301,7 +301,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -339,18 +339,18 @@
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "r6GGA7Pq4CPGYOu6OmmLW/hhhREo/l44RUFhsoYmpHNGpOg1UjF45dwyfLgaU38wrNxQoURjLUQDkxGfhb8liA==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "2thsMUDkRr7lR0PXZJ8k3KWZLWjz/aBY0KaO2SuXM0lIKyJw1APMJ7lXJ89e6JAjBzEbK8yLHBb0qtfcc4bNRw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.181"
+          "Speckle.Sdk": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "VmRRphUJm+qfcjtdzxkTstAD0opaIP57tP6GJ2YnalyRj3wBTGBQuy7gwhGjWyAvsMnkugpKFEfAVuNm/zHQ2A==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "UTgz9UgkMFGqRLmCq1HPo74MngvKbSZOFWaMRzASHrrnsBtzZatBXjoJBlvVoeBCoiea5Jj+BgZg6RvlV2m3sg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
           "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
@@ -360,14 +360,14 @@
           "Microsoft.Extensions.Logging": "2.2.0",
           "Speckle.DoubleNumerics": "4.0.1",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.181"
+          "Speckle.Sdk.Dependencies": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "W7Nb3hAPlLXGZmEFWdf9vyhXKGZk3M+lypEKB+IWQVwr3NL+bzPgfw2130kTuMr/9zGx8jUbSfx2ulTql9mZxw=="
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "5hqBd9whAs5cC8S/6YUgKFOivjntAkVutKhz06XD/f3Kj6xScT3hwcUaWBxiwK3Mw7FLtiVuU1uG777pjn0PKQ=="
       },
       "System.Threading.Tasks.Dataflow": {
         "type": "CentralTransitive",

Connectors/Autocad/Speckle.Connectors.Autocad2025/packages.lock.json

@@ -220,9 +220,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )"
         }
       },
       "speckle.connectors.dui": {
@@ -230,8 +230,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )",
           "System.Threading.Tasks.Dataflow": "[6.0.0, )"
         }
       },
@@ -257,7 +257,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -295,18 +295,18 @@
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "r6GGA7Pq4CPGYOu6OmmLW/hhhREo/l44RUFhsoYmpHNGpOg1UjF45dwyfLgaU38wrNxQoURjLUQDkxGfhb8liA==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "2thsMUDkRr7lR0PXZJ8k3KWZLWjz/aBY0KaO2SuXM0lIKyJw1APMJ7lXJ89e6JAjBzEbK8yLHBb0qtfcc4bNRw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.181"
+          "Speckle.Sdk": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "VmRRphUJm+qfcjtdzxkTstAD0opaIP57tP6GJ2YnalyRj3wBTGBQuy7gwhGjWyAvsMnkugpKFEfAVuNm/zHQ2A==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "UTgz9UgkMFGqRLmCq1HPo74MngvKbSZOFWaMRzASHrrnsBtzZatBXjoJBlvVoeBCoiea5Jj+BgZg6RvlV2m3sg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
           "Microsoft.CSharp": "4.7.0",
@@ -315,14 +315,14 @@
           "Microsoft.Extensions.Logging": "2.2.0",
           "Speckle.DoubleNumerics": "4.0.1",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.181"
+          "Speckle.Sdk.Dependencies": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "W7Nb3hAPlLXGZmEFWdf9vyhXKGZk3M+lypEKB+IWQVwr3NL+bzPgfw2130kTuMr/9zGx8jUbSfx2ulTql9mZxw=="
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "5hqBd9whAs5cC8S/6YUgKFOivjntAkVutKhz06XD/f3Kj6xScT3hwcUaWBxiwK3Mw7FLtiVuU1uG777pjn0PKQ=="
       },
       "System.Threading.Tasks.Dataflow": {
         "type": "CentralTransitive",

Connectors/Autocad/Speckle.Connectors.AutocadShared/Bindings/AutocadBasicConnectorBinding.cs

@@ -66,7 +66,7 @@ public class AutocadBasicConnectorBinding : IBasicConnectorBinding
 
   public DocumentModelStore GetDocumentState() => _store;
 
-  public void AddModel(ModelCard model) => _store.Models.Add(model);
+  public void AddModel(ModelCard model) => _store.AddModel(model);
 
   public void UpdateModel(ModelCard model) => _store.UpdateModel(model);
 
@@ -165,6 +165,7 @@ public class AutocadBasicConnectorBinding : IBasicConnectorBinding
             {
               // Note: we're swallowing exeptions here because of a weird case when receiving blocks, we would have
               // acad api throw an error on accessing entity.GeometricExtents.
+              // may also throw Autodesk.AutoCAD.Runtime.Exception for invalid extents on objects like rays and xlines
             }
           }
 

Connectors/Autocad/Speckle.Connectors.AutocadShared/DependencyInjection/SharedRegistration.cs

@@ -13,7 +13,6 @@ using Speckle.Connectors.Common.Operations;
 using Speckle.Connectors.DUI;
 using Speckle.Connectors.DUI.Bindings;
 using Speckle.Connectors.DUI.Bridge;
-using Speckle.Connectors.DUI.Models;
 using Speckle.Connectors.DUI.Models.Card.SendFilter;
 using Speckle.Connectors.DUI.WebView;
 using Speckle.Sdk.Models.GraphTraversal;
@@ -25,13 +24,12 @@ public static class SharedRegistration
   public static void AddAutocadBase(this IServiceCollection serviceCollection)
   {
     serviceCollection.AddConnectorUtils();
-    serviceCollection.AddDUI();
+    serviceCollection.AddDUI<AutocadDocumentStore>();
     serviceCollection.AddDUIView();
 
     // Register other connector specific types
     serviceCollection.AddTransient<TransactionContext>();
     serviceCollection.AddSingleton(new AutocadDocumentManager()); // TODO: Dependent to TransactionContext, can be moved to AutocadContext
-    serviceCollection.AddSingleton<DocumentModelStore, AutocadDocumentStore>();
     serviceCollection.AddSingleton<AutocadContext>();
 
     // Unpackers and builders

Connectors/Autocad/Speckle.Connectors.AutocadShared/HostApp/AutocadColorBaker.cs

@@ -29,10 +29,7 @@ public class AutocadColorBaker
   /// </summary>
   /// <param name="colorProxies"></param>
   /// <param name="onOperationProgressed"></param>
-  public async Task ParseColors(
-    IReadOnlyCollection<ColorProxy> colorProxies,
-    IProgress<CardProgress> onOperationProgressed
-  )
+  public void ParseColors(IReadOnlyCollection<ColorProxy> colorProxies, IProgress<CardProgress> onOperationProgressed)
   {
     var count = 0;
     foreach (ColorProxy colorProxy in colorProxies)
@@ -64,8 +61,6 @@ public class AutocadColorBaker
       {
         _logger.LogError(ex, "Failed parsing color proxy");
       }
-
-      await Task.Yield();
     }
   }
 

Connectors/Autocad/Speckle.Connectors.AutocadShared/HostApp/AutocadDocumentModelStore.cs

@@ -1,7 +1,6 @@
 using Speckle.Connectors.DUI.Bridge;
 using Speckle.Connectors.DUI.Models;
-using Speckle.Newtonsoft.Json;
-using Speckle.Sdk.Common;
+using Speckle.Connectors.DUI.Utils;
 
 namespace Speckle.Connectors.Autocad.HostApp;
 
@@ -12,11 +11,11 @@ public class AutocadDocumentStore : DocumentModelStore
   private readonly AutocadDocumentManager _autocadDocumentManager;
 
   public AutocadDocumentStore(
-    JsonSerializerSettings jsonSerializerSettings,
+    IJsonSerializer jsonSerializer,
     AutocadDocumentManager autocadDocumentManager,
     ITopLevelExceptionHandler topLevelExceptionHandler
   )
-    : base(jsonSerializerSettings, true)
+    : base(jsonSerializer)
   {
     _autocadDocumentManager = autocadDocumentManager;
     _previousDocName = _nullDocumentName;
@@ -48,32 +47,31 @@ public class AutocadDocumentStore : DocumentModelStore
     }
 
     _previousDocName = currentDocName;
-    ReadFromFile();
+    LoadState();
     OnDocumentChanged();
   }
 
-  public override void ReadFromFile()
+  protected override void LoadState()
   {
-    Models = new();
-
     // POC: Will be addressed to move it into AutocadContext!
     Document? doc = Application.DocumentManager.MdiActiveDocument;
 
     if (doc == null)
     {
+      ClearAndSave();
       return;
     }
 
     string? serializedModelCards = _autocadDocumentManager.ReadModelCards(doc);
     if (serializedModelCards == null)
     {
+      ClearAndSave();
       return;
     }
-
-    Models = Deserialize(serializedModelCards).NotNull();
+    LoadFromString(serializedModelCards);
   }
 
-  public override void WriteToFile()
+  protected override void HostAppSaveState(string modelCardState)
   {
     // POC: Will be addressed to move it into AutocadContext!
     Document doc = Application.DocumentManager.MdiActiveDocument;
@@ -83,7 +81,6 @@ public class AutocadDocumentStore : DocumentModelStore
       return;
     }
 
-    string modelCardsString = Serialize();
-    _autocadDocumentManager.WriteModelCards(doc, modelCardsString);
+    _autocadDocumentManager.WriteModelCards(doc, modelCardState);
   }
 }

Connectors/Autocad/Speckle.Connectors.AutocadShared/HostApp/AutocadGroupBaker.cs

@@ -2,6 +2,7 @@ using Autodesk.AutoCAD.DatabaseServices;
 using Microsoft.Extensions.Logging;
 using Speckle.Connectors.Common.Conversion;
 using Speckle.Sdk;
+using Speckle.Sdk.Dependencies;
 using Speckle.Sdk.Models.Proxies;
 
 namespace Speckle.Connectors.Autocad.HostApp;
@@ -29,12 +30,12 @@ public class AutocadGroupBaker
   /// <param name="applicationIdMap"></param>
   /// <returns></returns>
   // TODO: Oguzhan! Do not report here too! But this is TBD that we don't know the shape of the report yet.
-  public List<ReceiveConversionResult> CreateGroups(
+  public IReadOnlyCollection<ReceiveConversionResult> CreateGroups(
     IEnumerable<GroupProxy> groupProxies,
-    Dictionary<string, List<Entity>> applicationIdMap
+    Dictionary<string, IReadOnlyCollection<Entity>> applicationIdMap
   )
   {
-    List<ReceiveConversionResult> results = new();
+    HashSet<ReceiveConversionResult> results = new();
 
     using var groupCreationTransaction =
       Application.DocumentManager.CurrentDocument.Database.TransactionManager.StartTransaction();
@@ -75,6 +76,6 @@ public class AutocadGroupBaker
 
     groupCreationTransaction.Commit();
 
-    return results;
+    return results.Freeze();
   }
 }

Connectors/Autocad/Speckle.Connectors.AutocadShared/HostApp/AutocadInstanceBaker.cs

@@ -12,6 +12,7 @@ using Speckle.DoubleNumerics;
 using Speckle.Sdk;
 using Speckle.Sdk.Common;
 using Speckle.Sdk.Common.Exceptions;
+using Speckle.Sdk.Dependencies;
 using Speckle.Sdk.Models;
 using Speckle.Sdk.Models.Collections;
 using Speckle.Sdk.Models.Instances;
@@ -22,7 +23,7 @@ namespace Speckle.Connectors.Autocad.HostApp;
 /// <summary>
 /// Expects to be a scoped dependency receive operation.
 /// </summary>
-public class AutocadInstanceBaker : IInstanceBaker<List<Entity>>
+public class AutocadInstanceBaker : IInstanceBaker<IReadOnlyCollection<Entity>>
 {
   private readonly AutocadLayerBaker _layerBaker;
   private readonly AutocadColorBaker _colorBaker;
@@ -49,9 +50,9 @@ public class AutocadInstanceBaker : IInstanceBaker<List<Entity>>
   }
 
   [SuppressMessage("Maintainability", "CA1506:Avoid excessive class coupling")]
-  public async Task<BakeResult> BakeInstances(
-    IReadOnlyCollection<(Collection[] collectionPath, IInstanceComponent obj)> instanceComponents,
-    Dictionary<string, List<Entity>> applicationIdMap,
+  public BakeResult BakeInstances(
+    ICollection<(Collection[] collectionPath, IInstanceComponent obj)> instanceComponents,
+    Dictionary<string, IReadOnlyCollection<Entity>> applicationIdMap,
     string baseLayerName,
     IProgress<CardProgress> onOperationProgressed
   )
@@ -64,9 +65,9 @@ public class AutocadInstanceBaker : IInstanceBaker<List<Entity>>
     var definitionIdAndApplicationIdMap = new Dictionary<string, ObjectId>();
 
     using var transaction = Application.DocumentManager.CurrentDocument.Database.TransactionManager.StartTransaction();
-    var conversionResults = new List<ReceiveConversionResult>();
-    var createdObjectIds = new List<string>();
-    var consumedObjectIds = new List<string>();
+    var conversionResults = new HashSet<ReceiveConversionResult>();
+    var createdObjectIds = new HashSet<string>();
+    var consumedObjectIds = new HashSet<string>();
     var count = 0;
 
     foreach (var (collectionPath, instanceOrDefinition) in sortedInstanceComponents)
@@ -79,7 +80,9 @@ public class AutocadInstanceBaker : IInstanceBaker<List<Entity>>
         {
           // TODO: create definition (block table record)
           var constituentEntities = definitionProxy
-            .objects.Select(id => applicationIdMap.TryGetValue(id, out List<Entity>? value) ? value : null)
+            .objects.Select(id =>
+              applicationIdMap.TryGetValue(id, out IReadOnlyCollection<Entity>? value) ? value : null
+            )
             .Where(x => x is not null)
             .SelectMany(ent => ent!)
             .ToList();
@@ -109,8 +112,8 @@ public class AutocadInstanceBaker : IInstanceBaker<List<Entity>>
           definitionIdAndApplicationIdMap[definitionProxy.applicationId] = id;
           transaction.AddNewlyCreatedDBObject(record, true);
           var consumedEntitiesHandleValues = constituentEntities.Select(ent => ent.GetSpeckleApplicationId()).ToArray();
-          consumedObjectIds.AddRange(consumedEntitiesHandleValues);
-          createdObjectIds.RemoveAll(newId => consumedEntitiesHandleValues.Contains(newId));
+          consumedObjectIds.UnionWith(consumedEntitiesHandleValues);
+          createdObjectIds.RemoveWhere(newId => consumedEntitiesHandleValues.Contains(newId));
         }
         else if (
           instanceOrDefinition is InstanceProxy instanceProxy
@@ -128,7 +131,7 @@ public class AutocadInstanceBaker : IInstanceBaker<List<Entity>>
           string layerName = _layerBaker.CreateLayerForReceive(collectionPath, baseLayerName);
 
           // get color and material if any
-          string instanceId = instanceProxy.applicationId ?? instanceProxy.id;
+          string instanceId = instanceProxy.applicationId ?? instanceProxy.id.NotNull();
           AutocadColor? objColor = _colorBaker.ObjectColorsIdMap.TryGetValue(instanceId, out AutocadColor? color)
             ? color
             : null;
@@ -167,8 +170,7 @@ public class AutocadInstanceBaker : IInstanceBaker<List<Entity>>
     }
 
     transaction.Commit();
-    await Task.Yield();
-    return new(createdObjectIds, consumedObjectIds, conversionResults);
+    return new(createdObjectIds.Freeze(), consumedObjectIds.Freeze(), conversionResults.Freeze());
   }
 
   /// <summary>

Connectors/Autocad/Speckle.Connectors.AutocadShared/HostApp/AutocadLayerBaker.cs

@@ -2,6 +2,7 @@
 using Autodesk.AutoCAD.EditorInput;
 using Autodesk.AutoCAD.LayerManager;
 using Speckle.Connectors.Common.Operations.Receive;
+using Speckle.Sdk.Common;
 using Speckle.Sdk.Models.Collections;
 using AutocadColor = Autodesk.AutoCAD.Colors.Color;
 
@@ -52,7 +53,7 @@ public class AutocadLayerBaker : TraversalContextUnpacker
       // Goes up the tree to find any potential parent layer that has a material/color
       for (int j = layerPath.Length - 1; j >= 0; j--)
       {
-        string layerId = layerPath[j].applicationId ?? layerPath[j].id;
+        string layerId = layerPath[j].applicationId ?? layerPath[j].id.NotNull();
 
         if (!foundColor)
         {

Connectors/Autocad/Speckle.Connectors.AutocadShared/HostApp/AutocadMaterialBaker.cs

@@ -6,6 +6,7 @@ using Speckle.Connectors.Common.Conversion;
 using Speckle.Connectors.Common.Operations;
 using Speckle.Objects.Other;
 using Speckle.Sdk;
+using Speckle.Sdk.Common;
 using Speckle.Sdk.Models;
 using Material = Autodesk.AutoCAD.DatabaseServices.Material;
 using RenderMaterial = Speckle.Objects.Other.RenderMaterial;
@@ -42,7 +43,7 @@ public class AutocadMaterialBaker
   public bool TryGetMaterialId(Base originalObject, Base? parentObject, out ObjectId materialId)
   {
     materialId = ObjectId.Null;
-    var originalObjectId = originalObject.applicationId ?? originalObject.id;
+    var originalObjectId = originalObject.applicationId ?? originalObject.id.NotNull();
     if (ObjectMaterialsIdMap.TryGetValue(originalObjectId, out ObjectId originalObjectMaterialId))
     {
       materialId = originalObjectMaterialId;
@@ -54,7 +55,7 @@ public class AutocadMaterialBaker
       return false;
     }
 
-    var subObjectId = parentObject.applicationId ?? parentObject.id;
+    var subObjectId = parentObject.applicationId ?? parentObject.id.NotNull();
     if (ObjectMaterialsIdMap.TryGetValue(subObjectId, out ObjectId subObjectMaterialId))
     {
       materialId = subObjectMaterialId;
@@ -91,8 +92,8 @@ public class AutocadMaterialBaker
     transaction.Commit();
   }
 
-  public async Task ParseAndBakeRenderMaterials(
-    List<RenderMaterialProxy> materialProxies,
+  public void ParseAndBakeRenderMaterials(
+    IReadOnlyCollection<RenderMaterialProxy> materialProxies,
     string baseLayerPrefix,
     IProgress<CardProgress> onOperationProgressed
   )
@@ -114,7 +115,7 @@ public class AutocadMaterialBaker
 
       // bake render material
       RenderMaterial renderMaterial = materialProxy.value;
-      string renderMaterialId = renderMaterial.applicationId ?? renderMaterial.id;
+      string renderMaterialId = renderMaterial.applicationId ?? renderMaterial.id.NotNull();
       ObjectId materialId = ObjectId.Null;
 
       if (!ObjectMaterialsIdMap.TryGetValue(renderMaterialId, out materialId))
@@ -140,7 +141,6 @@ public class AutocadMaterialBaker
     }
 
     transaction.Commit();
-    await Task.Yield();
   }
 
   private (ObjectId, ReceiveConversionResult) BakeMaterial(
@@ -156,7 +156,7 @@ public class AutocadMaterialBaker
     {
       // POC: Currently we're relying on the render material name for identification if it's coming from speckle and from which model; could we do something else?
       // POC: we should assume render materials all have application ids?
-      string renderMaterialId = renderMaterial.applicationId ?? renderMaterial.id;
+      string renderMaterialId = renderMaterial.applicationId ?? renderMaterial.id.NotNull();
       string matName = _autocadContext.RemoveInvalidChars(
         $"{renderMaterial.name}-({renderMaterialId})-{baseLayerPrefix}"
       );

Connectors/Autocad/Speckle.Connectors.AutocadShared/Operations/Receive/AutocadHostObjectBuilder.cs

@@ -3,10 +3,13 @@ using Speckle.Connectors.Autocad.HostApp;
 using Speckle.Connectors.Autocad.HostApp.Extensions;
 using Speckle.Connectors.Common.Builders;
 using Speckle.Connectors.Common.Conversion;
+using Speckle.Connectors.Common.Extensions;
 using Speckle.Connectors.Common.Operations;
 using Speckle.Connectors.Common.Operations.Receive;
 using Speckle.Converters.Common;
 using Speckle.Sdk;
+using Speckle.Sdk.Common;
+using Speckle.Sdk.Dependencies;
 using Speckle.Sdk.Models;
 using Speckle.Sdk.Models.Collections;
 using Speckle.Sdk.Models.Instances;
@@ -63,13 +66,15 @@ public class AutocadHostObjectBuilder : IHostObjectBuilder
     // NOTE: This is the only place we apply ISyncToThread across connectors. We need to sync up with main thread here
     //  after GetObject and Deserialization. It is anti-pattern now. Happiness level 3/10 but works.
     return await _syncToThread
-      .RunOnThread(
-        async () => await BuildImpl(rootObject, projectName, modelName, onOperationProgressed).ConfigureAwait(false)
-      )
+      .RunOnThread(async () =>
+      {
+        await Task.CompletedTask.ConfigureAwait(true);
+        return BuildSync(rootObject, projectName, modelName, onOperationProgressed);
+      })
       .ConfigureAwait(false);
   }
 
-  private async Task<HostObjectBuilderResult> BuildImpl(
+  private HostObjectBuilderResult BuildSync(
     Base rootObject,
     string projectName,
     string modelName,
@@ -108,33 +113,34 @@ public class AutocadHostObjectBuilder : IHostObjectBuilder
     // 3 - Bake materials and colors, as they are used later down the line by layers and objects
     if (unpackedRoot.RenderMaterialProxies != null)
     {
-      await _materialBaker
-        .ParseAndBakeRenderMaterials(unpackedRoot.RenderMaterialProxies, baseLayerPrefix, onOperationProgressed)
-        .ConfigureAwait(true);
+      _materialBaker.ParseAndBakeRenderMaterials(
+        unpackedRoot.RenderMaterialProxies,
+        baseLayerPrefix,
+        onOperationProgressed
+      );
     }
 
     if (unpackedRoot.ColorProxies != null)
     {
-      await _colorBaker.ParseColors(unpackedRoot.ColorProxies, onOperationProgressed).ConfigureAwait(true);
+      _colorBaker.ParseColors(unpackedRoot.ColorProxies, onOperationProgressed);
     }
 
     // 5 - Convert atomic objects
-    List<ReceiveConversionResult> results = new();
-    List<string> bakedObjectIds = new();
-    Dictionary<string, List<Entity>> applicationIdMap = new();
+    HashSet<ReceiveConversionResult> results = new();
+    HashSet<string> bakedObjectIds = new();
+    Dictionary<string, IReadOnlyCollection<Entity>> applicationIdMap = new();
     var count = 0;
     foreach (var (layerPath, atomicObject) in atomicObjectsWithPath)
     {
-      string objectId = atomicObject.applicationId ?? atomicObject.id;
+      string objectId = atomicObject.applicationId ?? atomicObject.id.NotNull();
       onOperationProgressed.Report(new("Converting objects", (double)++count / atomicObjects.Count));
       try
       {
-        List<Entity> convertedObjects = await ConvertObject(atomicObject, layerPath, baseLayerPrefix)
-          .ConfigureAwait(true);
+        IReadOnlyCollection<Entity> convertedObjects = ConvertObject(atomicObject, layerPath, baseLayerPrefix);
 
         applicationIdMap[objectId] = convertedObjects;
 
-        results.AddRange(
+        results.UnionWith(
           convertedObjects.Select(e => new ReceiveConversionResult(
             Status.SUCCESS,
             atomicObject,
@@ -143,7 +149,7 @@ public class AutocadHostObjectBuilder : IHostObjectBuilder
           ))
         );
 
-        bakedObjectIds.AddRange(convertedObjects.Select(e => e.GetSpeckleApplicationId()));
+        bakedObjectIds.UnionWith(convertedObjects.Select(e => e.GetSpeckleApplicationId()));
       }
       catch (Exception ex) when (!ex.IsFatal())
       {
@@ -152,23 +158,26 @@ public class AutocadHostObjectBuilder : IHostObjectBuilder
     }
 
     // 6 - Convert instances
-    var (createdInstanceIds, consumedObjectIds, instanceConversionResults) = await _instanceBaker
-      .BakeInstances(instanceComponentsWithPath, applicationIdMap, baseLayerPrefix, onOperationProgressed)
-      .ConfigureAwait(true);
+    var (createdInstanceIds, consumedObjectIds, instanceConversionResults) = _instanceBaker.BakeInstances(
+      instanceComponentsWithPath,
+      applicationIdMap,
+      baseLayerPrefix,
+      onOperationProgressed
+    );
 
-    bakedObjectIds.RemoveAll(id => consumedObjectIds.Contains(id));
-    bakedObjectIds.AddRange(createdInstanceIds);
-    results.RemoveAll(result => result.ResultId != null && consumedObjectIds.Contains(result.ResultId));
-    results.AddRange(instanceConversionResults);
+    bakedObjectIds.RemoveWhere(id => consumedObjectIds.Contains(id));
+    bakedObjectIds.UnionWith(createdInstanceIds);
+    results.RemoveWhere(result => result.ResultId != null && consumedObjectIds.Contains(result.ResultId));
+    results.UnionWith(instanceConversionResults);
 
     // 7 - Create groups
     if (unpackedRoot.GroupProxies != null)
     {
-      List<ReceiveConversionResult> groupResults = _groupBaker.CreateGroups(
+      IReadOnlyCollection<ReceiveConversionResult> groupResults = _groupBaker.CreateGroups(
         unpackedRoot.GroupProxies,
         applicationIdMap
       );
-      results.AddRange(groupResults);
+      results.UnionWith(groupResults);
     }
 
     return new HostObjectBuilderResult(bakedObjectIds, results);
@@ -181,10 +190,10 @@ public class AutocadHostObjectBuilder : IHostObjectBuilder
     _materialBaker.PurgeMaterials(baseLayerPrefix);
   }
 
-  private async Task<List<Entity>> ConvertObject(Base obj, Collection[] layerPath, string baseLayerNamePrefix)
+  private IReadOnlyCollection<Entity> ConvertObject(Base obj, Collection[] layerPath, string baseLayerNamePrefix)
   {
     string layerName = _layerBaker.CreateLayerForReceive(layerPath, baseLayerNamePrefix);
-    var convertedEntities = new List<Entity>();
+    var convertedEntities = new HashSet<Entity>();
 
     using var tr = Application.DocumentManager.CurrentDocument.Database.TransactionManager.StartTransaction();
 
@@ -197,20 +206,19 @@ public class AutocadHostObjectBuilder : IHostObjectBuilder
       var bakedEntity = BakeObject(entity, obj, layerName);
       convertedEntities.Add(bakedEntity);
     }
-    else if (converted is IEnumerable<(object, Base)> fallbackConversionResult)
+    else if (converted is List<(Entity, Base)> fallbackConversionResult)
     {
       var bakedFallbackEntities = BakeObjectsAsGroup(fallbackConversionResult, obj, layerName, baseLayerNamePrefix);
-      convertedEntities.AddRange(bakedFallbackEntities);
+      convertedEntities.UnionWith(bakedFallbackEntities);
     }
 
     tr.Commit();
-    await Task.Delay(10).ConfigureAwait(true);
-    return convertedEntities;
+    return convertedEntities.Freeze();
   }
 
   private Entity BakeObject(Entity entity, Base originalObject, string layerName, Base? parentObject = null)
   {
-    var objId = originalObject.applicationId ?? originalObject.id;
+    var objId = originalObject.applicationId ?? originalObject.id.NotNull();
     if (_colorBaker.ObjectColorsIdMap.TryGetValue(objId, out AutocadColor? color))
     {
       entity.Color = color;
@@ -226,7 +234,7 @@ public class AutocadHostObjectBuilder : IHostObjectBuilder
   }
 
   private List<Entity> BakeObjectsAsGroup(
-    IEnumerable<(object, Base)> fallbackConversionResult,
+    List<(Entity, Base)> fallbackConversionResult,
     Base parentObject,
     string layerName,
     string baseLayerName
@@ -236,15 +244,9 @@ public class AutocadHostObjectBuilder : IHostObjectBuilder
     var entities = new List<Entity>();
     foreach (var (conversionResult, originalObject) in fallbackConversionResult)
     {
-      if (conversionResult is not Entity entity)
-      {
-        // TODO: throw?
-        continue;
-      }
-
-      BakeObject(entity, originalObject, layerName, parentObject);
-      ids.Add(entity.ObjectId);
-      entities.Add(entity);
+      BakeObject(conversionResult, originalObject, layerName, parentObject);
+      ids.Add(conversionResult.ObjectId);
+      entities.Add(conversionResult);
     }
 
     var tr = Application.DocumentManager.CurrentDocument.Database.TransactionManager.TopTransaction;

Connectors/Autocad/Speckle.Connectors.Civil3d2022/packages.lock.json

@@ -273,9 +273,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )"
         }
       },
       "speckle.connectors.dui": {
@@ -283,8 +283,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )",
           "System.Threading.Tasks.Dataflow": "[6.0.0, )"
         }
       },
@@ -310,7 +310,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -348,18 +348,18 @@
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "r6GGA7Pq4CPGYOu6OmmLW/hhhREo/l44RUFhsoYmpHNGpOg1UjF45dwyfLgaU38wrNxQoURjLUQDkxGfhb8liA==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "2thsMUDkRr7lR0PXZJ8k3KWZLWjz/aBY0KaO2SuXM0lIKyJw1APMJ7lXJ89e6JAjBzEbK8yLHBb0qtfcc4bNRw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.181"
+          "Speckle.Sdk": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "VmRRphUJm+qfcjtdzxkTstAD0opaIP57tP6GJ2YnalyRj3wBTGBQuy7gwhGjWyAvsMnkugpKFEfAVuNm/zHQ2A==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "UTgz9UgkMFGqRLmCq1HPo74MngvKbSZOFWaMRzASHrrnsBtzZatBXjoJBlvVoeBCoiea5Jj+BgZg6RvlV2m3sg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
           "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
@@ -369,14 +369,14 @@
           "Microsoft.Extensions.Logging": "2.2.0",
           "Speckle.DoubleNumerics": "4.0.1",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.181"
+          "Speckle.Sdk.Dependencies": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "W7Nb3hAPlLXGZmEFWdf9vyhXKGZk3M+lypEKB+IWQVwr3NL+bzPgfw2130kTuMr/9zGx8jUbSfx2ulTql9mZxw=="
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "5hqBd9whAs5cC8S/6YUgKFOivjntAkVutKhz06XD/f3Kj6xScT3hwcUaWBxiwK3Mw7FLtiVuU1uG777pjn0PKQ=="
       },
       "System.Threading.Tasks.Dataflow": {
         "type": "CentralTransitive",

Connectors/Autocad/Speckle.Connectors.Civil3d2023/packages.lock.json

@@ -273,9 +273,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )"
         }
       },
       "speckle.connectors.dui": {
@@ -283,8 +283,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )",
           "System.Threading.Tasks.Dataflow": "[6.0.0, )"
         }
       },
@@ -310,7 +310,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -348,18 +348,18 @@
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "r6GGA7Pq4CPGYOu6OmmLW/hhhREo/l44RUFhsoYmpHNGpOg1UjF45dwyfLgaU38wrNxQoURjLUQDkxGfhb8liA==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "2thsMUDkRr7lR0PXZJ8k3KWZLWjz/aBY0KaO2SuXM0lIKyJw1APMJ7lXJ89e6JAjBzEbK8yLHBb0qtfcc4bNRw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.181"
+          "Speckle.Sdk": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "VmRRphUJm+qfcjtdzxkTstAD0opaIP57tP6GJ2YnalyRj3wBTGBQuy7gwhGjWyAvsMnkugpKFEfAVuNm/zHQ2A==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "UTgz9UgkMFGqRLmCq1HPo74MngvKbSZOFWaMRzASHrrnsBtzZatBXjoJBlvVoeBCoiea5Jj+BgZg6RvlV2m3sg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
           "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
@@ -369,14 +369,14 @@
           "Microsoft.Extensions.Logging": "2.2.0",
           "Speckle.DoubleNumerics": "4.0.1",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.181"
+          "Speckle.Sdk.Dependencies": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "W7Nb3hAPlLXGZmEFWdf9vyhXKGZk3M+lypEKB+IWQVwr3NL+bzPgfw2130kTuMr/9zGx8jUbSfx2ulTql9mZxw=="
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "5hqBd9whAs5cC8S/6YUgKFOivjntAkVutKhz06XD/f3Kj6xScT3hwcUaWBxiwK3Mw7FLtiVuU1uG777pjn0PKQ=="
       },
       "System.Threading.Tasks.Dataflow": {
         "type": "CentralTransitive",

Connectors/Autocad/Speckle.Connectors.Civil3d2024/packages.lock.json

@@ -273,9 +273,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )"
         }
       },
       "speckle.connectors.dui": {
@@ -283,8 +283,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )",
           "System.Threading.Tasks.Dataflow": "[6.0.0, )"
         }
       },
@@ -310,7 +310,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -348,18 +348,18 @@
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "r6GGA7Pq4CPGYOu6OmmLW/hhhREo/l44RUFhsoYmpHNGpOg1UjF45dwyfLgaU38wrNxQoURjLUQDkxGfhb8liA==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "2thsMUDkRr7lR0PXZJ8k3KWZLWjz/aBY0KaO2SuXM0lIKyJw1APMJ7lXJ89e6JAjBzEbK8yLHBb0qtfcc4bNRw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.181"
+          "Speckle.Sdk": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "VmRRphUJm+qfcjtdzxkTstAD0opaIP57tP6GJ2YnalyRj3wBTGBQuy7gwhGjWyAvsMnkugpKFEfAVuNm/zHQ2A==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "UTgz9UgkMFGqRLmCq1HPo74MngvKbSZOFWaMRzASHrrnsBtzZatBXjoJBlvVoeBCoiea5Jj+BgZg6RvlV2m3sg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
           "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
@@ -369,14 +369,14 @@
           "Microsoft.Extensions.Logging": "2.2.0",
           "Speckle.DoubleNumerics": "4.0.1",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.181"
+          "Speckle.Sdk.Dependencies": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "W7Nb3hAPlLXGZmEFWdf9vyhXKGZk3M+lypEKB+IWQVwr3NL+bzPgfw2130kTuMr/9zGx8jUbSfx2ulTql9mZxw=="
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "5hqBd9whAs5cC8S/6YUgKFOivjntAkVutKhz06XD/f3Kj6xScT3hwcUaWBxiwK3Mw7FLtiVuU1uG777pjn0PKQ=="
       },
       "System.Threading.Tasks.Dataflow": {
         "type": "CentralTransitive",

Connectors/Autocad/Speckle.Connectors.Civil3d2025/packages.lock.json

@@ -229,9 +229,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )"
         }
       },
       "speckle.connectors.dui": {
@@ -239,8 +239,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.181, )",
-          "Speckle.Sdk.Dependencies": "[3.1.0-dev.181, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )",
           "System.Threading.Tasks.Dataflow": "[6.0.0, )"
         }
       },
@@ -267,7 +267,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.181, )"
+          "Speckle.Objects": "[3.1.0-dev.219, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -305,18 +305,18 @@
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "r6GGA7Pq4CPGYOu6OmmLW/hhhREo/l44RUFhsoYmpHNGpOg1UjF45dwyfLgaU38wrNxQoURjLUQDkxGfhb8liA==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "2thsMUDkRr7lR0PXZJ8k3KWZLWjz/aBY0KaO2SuXM0lIKyJw1APMJ7lXJ89e6JAjBzEbK8yLHBb0qtfcc4bNRw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.181"
+          "Speckle.Sdk": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "VmRRphUJm+qfcjtdzxkTstAD0opaIP57tP6GJ2YnalyRj3wBTGBQuy7gwhGjWyAvsMnkugpKFEfAVuNm/zHQ2A==",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "UTgz9UgkMFGqRLmCq1HPo74MngvKbSZOFWaMRzASHrrnsBtzZatBXjoJBlvVoeBCoiea5Jj+BgZg6RvlV2m3sg==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
           "Microsoft.CSharp": "4.7.0",
@@ -325,14 +325,14 @@
           "Microsoft.Extensions.Logging": "2.2.0",
           "Speckle.DoubleNumerics": "4.0.1",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.181"
+          "Speckle.Sdk.Dependencies": "3.1.0-dev.219"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.181, )",
-        "resolved": "3.1.0-dev.181",
-        "contentHash": "W7Nb3hAPlLXGZmEFWdf9vyhXKGZk3M+lypEKB+IWQVwr3NL+bzPgfw2130kTuMr/9zGx8jUbSfx2ulTql9mZxw=="
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "5hqBd9whAs5cC8S/6YUgKFOivjntAkVutKhz06XD/f3Kj6xScT3hwcUaWBxiwK3Mw7FLtiVuU1uG777pjn0PKQ=="
       },
       "System.Threading.Tasks.Dataflow": {
         "type": "CentralTransitive",

Connectors/CSi/Speckle.Connectors.CSiShared/Bindings/CsiSharedBasicConnectorBinding.cs

@@ -0,0 +1,49 @@
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Connectors.DUI.Models.Card;
+using Speckle.Sdk;
+
+namespace Speckle.Connectors.CSiShared.Bindings;
+
+public class CsiSharedBasicConnectorBinding : IBasicConnectorBinding
+{
+  private readonly ISpeckleApplication _speckleApplication;
+  private readonly DocumentModelStore _store;
+
+  public string Name => "baseBinding";
+  public IBrowserBridge Parent { get; }
+  public BasicConnectorBindingCommands Commands { get; }
+
+  public CsiSharedBasicConnectorBinding(
+    IBrowserBridge parent,
+    ISpeckleApplication speckleApplication,
+    DocumentModelStore store
+  )
+  {
+    Parent = parent;
+    _speckleApplication = speckleApplication;
+    _store = store;
+    Commands = new BasicConnectorBindingCommands(parent);
+  }
+
+  public string GetConnectorVersion() => _speckleApplication.SpeckleVersion;
+
+  public string GetSourceApplicationName() => _speckleApplication.Slug;
+
+  public string GetSourceApplicationVersion() => _speckleApplication.HostApplicationVersion;
+
+  public DocumentInfo? GetDocumentInfo() => new DocumentInfo("ETABS Model", "ETABS Model", "1");
+
+  public DocumentModelStore GetDocumentState() => _store;
+
+  public void AddModel(ModelCard model) => _store.AddModel(model);
+
+  public void UpdateModel(ModelCard model) => _store.UpdateModel(model);
+
+  public void RemoveModel(ModelCard model) => _store.RemoveModel(model);
+
+  public Task HighlightModel(string modelCardId) => Task.CompletedTask;
+
+  public Task HighlightObjects(IReadOnlyList<string> objectIds) => Task.CompletedTask;
+}

Connectors/CSi/Speckle.Connectors.CSiShared/Bindings/CsiSharedSelectionBinding.cs

@@ -0,0 +1,66 @@
+using Speckle.Connectors.CSiShared.HostApp;
+using Speckle.Connectors.CSiShared.Utils;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+
+namespace Speckle.Connectors.CSiShared.Bindings;
+
+public class CsiSharedSelectionBinding : ISelectionBinding
+{
+  public string Name => "selectionBinding";
+  public IBrowserBridge Parent { get; }
+  private readonly ICsiApplicationService _csiApplicationService;
+
+  public CsiSharedSelectionBinding(IBrowserBridge parent, ICsiApplicationService csiApplicationService)
+  {
+    Parent = parent;
+    _csiApplicationService = csiApplicationService;
+  }
+
+  /// <summary>
+  /// Gets the selection and creates an encoded ID (objectType and objectName).
+  /// </summary>
+  /// <remarks>
+  /// Refer to ObjectIdentifier.cs for more info.
+  /// </remarks>
+  public SelectionInfo GetSelection()
+  {
+    // TODO: Since this is standard across CSi Suite - better stored in an enum?
+    var objectTypeMap = new Dictionary<int, string>
+    {
+      { 1, "Point" },
+      { 2, "Frame" },
+      { 3, "Cable" },
+      { 4, "Tendon" },
+      { 5, "Area" },
+      { 6, "Solid" },
+      { 7, "Link" }
+    };
+
+    int numberItems = 0;
+    int[] objectType = Array.Empty<int>();
+    string[] objectName = Array.Empty<string>();
+
+    _csiApplicationService.SapModel.SelectObj.GetSelected(ref numberItems, ref objectType, ref objectName);
+
+    var encodedIds = new List<string>(numberItems);
+    var typeCounts = new Dictionary<string, int>();
+
+    for (int i = 0; i < numberItems; i++)
+    {
+      var typeKey = objectType[i];
+      var typeName = objectTypeMap.TryGetValue(typeKey, out var name) ? name : $"Unknown ({typeKey})";
+
+      encodedIds.Add(ObjectIdentifier.Encode(typeKey, objectName[i]));
+      typeCounts[typeName] = (typeCounts.TryGetValue(typeName, out var count) ? count : 0) + 1; // NOTE: Cross-framework compatibility (net 48 and net8)
+    }
+
+    var summary =
+      encodedIds.Count == 0
+        ? "No objects selected."
+        : $"{encodedIds.Count} objects ({string.Join(", ", 
+            typeCounts.Select(kv => $"{kv.Value} {kv.Key}"))})";
+
+    return new SelectionInfo(encodedIds, summary);
+  }
+}

Connectors/CSi/Speckle.Connectors.CSiShared/Bindings/CsiSharedSendBinding.cs

@@ -0,0 +1,138 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Common.Cancellation;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.CSiShared.HostApp;
+using Speckle.Connectors.CSiShared.Utils;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Connectors.DUI.Exceptions;
+using Speckle.Connectors.DUI.Logging;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Connectors.DUI.Models.Card;
+using Speckle.Connectors.DUI.Models.Card.SendFilter;
+using Speckle.Connectors.DUI.Settings;
+using Speckle.Converters.Common;
+using Speckle.Converters.CSiShared;
+using Speckle.Sdk;
+using Speckle.Sdk.Common;
+using Speckle.Sdk.Logging;
+
+namespace Speckle.Connectors.CSiShared.Bindings;
+
+public sealed class CsiSharedSendBinding : ISendBinding
+{
+  public string Name => "sendBinding";
+  public SendBindingUICommands Commands { get; }
+  public IBrowserBridge Parent { get; }
+
+  private readonly DocumentModelStore _store;
+  private readonly IAppIdleManager _idleManager;
+  private readonly IServiceProvider _serviceProvider;
+  private readonly List<ISendFilter> _sendFilters;
+  private readonly CancellationManager _cancellationManager;
+  private readonly IOperationProgressManager _operationProgressManager;
+  private readonly ILogger<CsiSharedSendBinding> _logger;
+  private readonly ICsiApplicationService _csiApplicationService;
+  private readonly ICsiConversionSettingsFactory _csiConversionSettingsFactory;
+  private readonly ISpeckleApplication _speckleApplication;
+  private readonly ISdkActivityFactory _activityFactory;
+
+  public CsiSharedSendBinding(
+    DocumentModelStore store,
+    IAppIdleManager idleManager,
+    IBrowserBridge parent,
+    IEnumerable<ISendFilter> sendFilters,
+    IServiceProvider serviceProvider,
+    CancellationManager cancellationManager,
+    IOperationProgressManager operationProgressManager,
+    ILogger<CsiSharedSendBinding> logger,
+    ICsiConversionSettingsFactory csiConversionSettingsFactory,
+    ISpeckleApplication speckleApplication,
+    ISdkActivityFactory activityFactory,
+    ICsiApplicationService csiApplicationService
+  )
+  {
+    _store = store;
+    _idleManager = idleManager;
+    _serviceProvider = serviceProvider;
+    _sendFilters = sendFilters.ToList();
+    _cancellationManager = cancellationManager;
+    _operationProgressManager = operationProgressManager;
+    _logger = logger;
+    Parent = parent;
+    Commands = new SendBindingUICommands(parent);
+    _csiConversionSettingsFactory = csiConversionSettingsFactory;
+    _speckleApplication = speckleApplication;
+    _activityFactory = activityFactory;
+    _csiApplicationService = csiApplicationService;
+  }
+
+  public List<ISendFilter> GetSendFilters() => _sendFilters;
+
+  public List<ICardSetting> GetSendSettings() => [];
+
+  public async Task Send(string modelCardId)
+  {
+    using var activity = _activityFactory.Start();
+
+    try
+    {
+      if (_store.GetModelById(modelCardId) is not SenderModelCard modelCard)
+      {
+        throw new InvalidOperationException("No publish model card was found.");
+      }
+      using var scope = _serviceProvider.CreateScope();
+      scope
+        .ServiceProvider.GetRequiredService<IConverterSettingsStore<CsiConversionSettings>>()
+        .Initialize(_csiConversionSettingsFactory.Create(_csiApplicationService.SapModel));
+
+      CancellationToken cancellationToken = _cancellationManager.InitCancellationTokenSource(modelCardId);
+
+      List<ICsiWrapper> wrappers = modelCard
+        .SendFilter.NotNull()
+        .RefreshObjectIds()
+        .Select(DecodeObjectIdentifier)
+        .ToList();
+
+      if (wrappers.Count == 0)
+      {
+        throw new SpeckleSendFilterException("No objects were found to convert. Please update your publish filter!");
+      }
+
+      var sendResult = await scope
+        .ServiceProvider.GetRequiredService<SendOperation<ICsiWrapper>>()
+        .Execute(
+          wrappers,
+          modelCard.GetSendInfo(_speckleApplication.Slug),
+          _operationProgressManager.CreateOperationProgressEventHandler(Parent, modelCardId, cancellationToken),
+          cancellationToken
+        )
+        .ConfigureAwait(false);
+
+      await Commands
+        .SetModelSendResult(modelCardId, sendResult.RootObjId, sendResult.ConversionResults)
+        .ConfigureAwait(false);
+    }
+    catch (OperationCanceledException)
+    {
+      return;
+    }
+    catch (Exception ex) when (!ex.IsFatal())
+    {
+      _logger.LogModelCardHandledError(ex);
+      await Commands.SetModelError(modelCardId, ex).ConfigureAwait(false);
+    }
+  }
+
+  private ICsiWrapper DecodeObjectIdentifier(string encodedId)
+  {
+    var (type, name) = ObjectIdentifier.Decode(encodedId);
+    return CsiWrapperFactory.Create(type, name);
+  }
+
+  public void CancelSend(string modelCardId)
+  {
+    _cancellationManager.CancelOperation(modelCardId);
+  }
+}

Connectors/CSi/Speckle.Connectors.CSiShared/Filters/CsiSharedSelectionFilter.cs

@@ -0,0 +1,13 @@
+using Speckle.Connectors.DUI.Models.Card.SendFilter;
+
+namespace Speckle.Connectors.CSiShared.Filters;
+
+public class CsiSharedSelectionFilter : DirectSelectionSendFilter
+{
+  public CsiSharedSelectionFilter()
+  {
+    IsDefault = true;
+  }
+
+  public override List<string> RefreshObjectIds() => SelectedObjectIds;
+}

Connectors/CSi/Speckle.Connectors.CSiShared/GlobalUsing.cs

@@ -0,0 +1 @@
+global using CSiAPIv1;

Connectors/CSi/Speckle.Connectors.CSiShared/HostApp/CsiApplicationService.cs

@@ -0,0 +1,34 @@
+namespace Speckle.Connectors.CSiShared.HostApp;
+
+/// <summary>
+/// Create a centralized access point for ETABS and SAP APIs across the entire program.
+/// </summary>
+/// <remarks>
+/// All API methods are based on the objectType and objectName, not the GUID.
+/// CSi is already giving us the "sapModel" reference through the plugin interface. No need to attach to running instance.
+/// Since objectType is a single int (1, 2 ... 7) we know first index will always be the objectType.
+/// Prevent having to pass the "sapModel" around between classes and this ensures consistent access.
+/// Name "sapModel" is misleading since it doesn't only apply to SAP2000, but this is the convention in the API, so we keep it.
+/// </remarks>
+public interface ICsiApplicationService
+{
+  cSapModel SapModel { get; }
+  void Initialize(cSapModel sapModel, cPluginCallback pluginCallback);
+}
+
+public class CsiApplicationService : ICsiApplicationService
+{
+  public cSapModel SapModel { get; private set; }
+  private cPluginCallback _pluginCallback;
+
+  public CsiApplicationService()
+  {
+    SapModel = null!;
+  }
+
+  public void Initialize(cSapModel sapModel, cPluginCallback pluginCallback)
+  {
+    SapModel = sapModel;
+    _pluginCallback = pluginCallback;
+  }
+}

Connectors/CSi/Speckle.Connectors.CSiShared/HostApp/CsiDocumentModelStore.cs

@@ -0,0 +1,79 @@
+using System.IO;
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Connectors.DUI.Utils;
+using Speckle.Sdk;
+using Speckle.Sdk.Helpers;
+using Speckle.Sdk.Logging;
+
+namespace Speckle.Connectors.CSiShared.HostApp;
+
+public class CsiDocumentModelStore : DocumentModelStore
+{
+  private readonly ISpeckleApplication _speckleApplication;
+  private readonly ILogger<CsiDocumentModelStore> _logger;
+  private readonly ICsiApplicationService _csiApplicationService;
+  private string HostAppUserDataPath { get; set; }
+  private string DocumentStateFile { get; set; }
+  private string ModelPathHash { get; set; }
+
+  public CsiDocumentModelStore(
+    IJsonSerializer jsonSerializerSettings,
+    ISpeckleApplication speckleApplication,
+    ILogger<CsiDocumentModelStore> logger,
+    ICsiApplicationService csiApplicationService
+  )
+    : base(jsonSerializerSettings)
+  {
+    _speckleApplication = speckleApplication;
+    _logger = logger;
+    _csiApplicationService = csiApplicationService;
+    SetPaths();
+    LoadState();
+  }
+
+  private void SetPaths()
+  {
+    ModelPathHash = Crypt.Md5(_csiApplicationService.SapModel.GetModelFilepath(), length: 32);
+    HostAppUserDataPath = Path.Combine(
+      SpecklePathProvider.UserSpeckleFolderPath,
+      "ConnectorsFileData",
+      _speckleApplication.Slug
+    );
+    DocumentStateFile = Path.Combine(HostAppUserDataPath, $"{ModelPathHash}.json");
+  }
+
+  protected override void HostAppSaveState(string modelCardState)
+  {
+    try
+    {
+      if (!Directory.Exists(HostAppUserDataPath))
+      {
+        Directory.CreateDirectory(HostAppUserDataPath);
+      }
+      File.WriteAllText(DocumentStateFile, modelCardState);
+    }
+    catch (Exception ex) when (!ex.IsFatal())
+    {
+      _logger.LogError(ex.Message);
+    }
+  }
+
+  protected override void LoadState()
+  {
+    if (!Directory.Exists(HostAppUserDataPath))
+    {
+      ClearAndSave();
+      return;
+    }
+
+    if (!File.Exists(DocumentStateFile))
+    {
+      ClearAndSave();
+      return;
+    }
+
+    string serializedState = File.ReadAllText(DocumentStateFile);
+    LoadFromString(serializedState);
+  }
+}

Connectors/CSi/Speckle.Connectors.CSiShared/HostApp/CsiIdleManager.cs

@@ -0,0 +1,20 @@
+using Speckle.Connectors.DUI.Bridge;
+
+namespace Speckle.Connectors.CSiShared.HostApp;
+
+public sealed class CsiIdleManager : AppIdleManager
+{
+  private readonly IIdleCallManager _idleCallManager;
+
+  public CsiIdleManager(IIdleCallManager idleCallManager)
+    : base(idleCallManager)
+  {
+    _idleCallManager = idleCallManager;
+  }
+
+  protected override void AddEvent()
+  {
+    // TODO: CSi specific idle handling can be added here if needed
+    _idleCallManager.AppOnIdle(() => { });
+  }
+}

Connectors/CSi/Speckle.Connectors.CSiShared/HostApp/CsiSendCollectionManager.cs

@@ -0,0 +1,43 @@
+using Speckle.Converters.Common;
+using Speckle.Converters.CSiShared;
+using Speckle.Sdk.Models;
+using Speckle.Sdk.Models.Collections;
+
+namespace Speckle.Connectors.CSiShared.HostApp;
+
+/// <summary>
+/// We can use the CSiWrappers to create our collection structure.
+/// </summary>
+/// <remarks>
+/// This class manages the collections. If the key (from the path) already exists, this collection is returned.
+/// If it doesn't exist, a new collection is created and added to the rootObject.
+/// </remarks>
+public class CsiSendCollectionManager
+{
+  protected IConverterSettingsStore<CsiConversionSettings> ConverterSettings { get; }
+  protected Dictionary<string, Collection> CollectionCache { get; } = new();
+
+  public CsiSendCollectionManager(IConverterSettingsStore<CsiConversionSettings> converterSettings)
+  {
+    ConverterSettings = converterSettings;
+  }
+
+  public virtual Collection AddObjectCollectionToRoot(Base convertedObject, Collection rootObject)
+  {
+    var path = GetCollectionPath(convertedObject);
+
+    if (CollectionCache.TryGetValue(path, out Collection? collection))
+    {
+      return collection;
+    }
+
+    Collection childCollection = CreateCollection(convertedObject);
+    rootObject.elements.Add(childCollection);
+    CollectionCache[path] = childCollection;
+    return childCollection;
+  }
+
+  protected virtual string GetCollectionPath(Base convertedObject) => convertedObject["type"]?.ToString() ?? "Unknown";
+
+  protected virtual Collection CreateCollection(Base convertedObject) => new(GetCollectionPath(convertedObject));
+}

Connectors/CSi/Speckle.Connectors.CSiShared/Operations/Send/CsiRootObjectBuilder.cs

@@ -0,0 +1,114 @@
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Common.Builders;
+using Speckle.Connectors.Common.Caching;
+using Speckle.Connectors.Common.Conversion;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.CSiShared.HostApp;
+using Speckle.Converters.Common;
+using Speckle.Converters.CSiShared;
+using Speckle.Sdk;
+using Speckle.Sdk.Logging;
+using Speckle.Sdk.Models;
+using Speckle.Sdk.Models.Collections;
+
+namespace Speckle.Connectors.CSiShared.Builders;
+
+public class CsiRootObjectBuilder : IRootObjectBuilder<ICsiWrapper>
+{
+  private readonly IRootToSpeckleConverter _rootToSpeckleConverter;
+  private readonly ISendConversionCache _sendConversionCache;
+  private readonly IConverterSettingsStore<CsiConversionSettings> _converterSettings;
+  private readonly CsiSendCollectionManager _sendCollectionManager;
+  private readonly ILogger<CsiRootObjectBuilder> _logger;
+  private readonly ISdkActivityFactory _activityFactory;
+  private readonly ICsiApplicationService _csiApplicationService;
+
+  public CsiRootObjectBuilder(
+    IRootToSpeckleConverter rootToSpeckleConverter,
+    ISendConversionCache sendConversionCache,
+    IConverterSettingsStore<CsiConversionSettings> converterSettings,
+    CsiSendCollectionManager sendCollectionManager,
+    ILogger<CsiRootObjectBuilder> logger,
+    ISdkActivityFactory activityFactory,
+    ICsiApplicationService csiApplicationService
+  )
+  {
+    _sendConversionCache = sendConversionCache;
+    _converterSettings = converterSettings;
+    _sendCollectionManager = sendCollectionManager;
+    _rootToSpeckleConverter = rootToSpeckleConverter;
+    _logger = logger;
+    _activityFactory = activityFactory;
+    _csiApplicationService = csiApplicationService;
+  }
+
+  public async Task<RootObjectBuilderResult> Build(
+    IReadOnlyList<ICsiWrapper> csiObjects,
+    SendInfo sendInfo,
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken = default
+  )
+  {
+    using var activity = _activityFactory.Start("Build");
+
+    string modelFileName = _csiApplicationService.SapModel.GetModelFilename(false) ?? "Unnamed model";
+    Collection rootObjectCollection = new() { name = modelFileName };
+    rootObjectCollection["units"] = _converterSettings.Current.SpeckleUnits;
+
+    List<SendConversionResult> results = new(csiObjects.Count);
+    int count = 0;
+
+    using (var _ = _activityFactory.Start("Convert all"))
+    {
+      foreach (ICsiWrapper csiObject in csiObjects)
+      {
+        using var _2 = _activityFactory.Start("Convert");
+        cancellationToken.ThrowIfCancellationRequested();
+
+        var result = ConvertCSiObject(csiObject, rootObjectCollection, sendInfo.ProjectId);
+        results.Add(result);
+
+        count++;
+        onOperationProgressed.Report(new("Converting", (double)count / csiObjects.Count));
+      }
+    }
+
+    if (results.All(x => x.Status == Status.ERROR))
+    {
+      throw new SpeckleException("Failed to convert all objects.");
+    }
+
+    await Task.Yield();
+    return new RootObjectBuilderResult(rootObjectCollection, results);
+  }
+
+  private SendConversionResult ConvertCSiObject(ICsiWrapper csiObject, Collection typeCollection, string projectId)
+  {
+    string applicationId = $"{csiObject.ObjectType}{csiObject.Name}"; // TODO: NO! Use GUID
+    string sourceType = csiObject.ObjectName;
+
+    try
+    {
+      Base converted;
+      if (_sendConversionCache.TryGetValue(projectId, applicationId, out ObjectReference? value))
+      {
+        converted = value;
+      }
+      else
+      {
+        converted = _rootToSpeckleConverter.Convert(csiObject);
+      }
+
+      var collection = _sendCollectionManager.AddObjectCollectionToRoot(converted, typeCollection);
+      collection.elements ??= new List<Base>();
+      collection.elements.Add(converted);
+
+      return new(Status.SUCCESS, applicationId, sourceType, converted);
+    }
+    catch (Exception ex) when (!ex.IsFatal())
+    {
+      _logger.LogError(ex, sourceType);
+      return new(Status.ERROR, applicationId, sourceType, null, ex);
+    }
+  }
+}

Connectors/CSi/Speckle.Connectors.CSiShared/Plugin/CsiPluginBase.cs

@@ -0,0 +1,57 @@
+namespace Speckle.Connectors.CSiShared;
+
+[System.Diagnostics.CodeAnalysis.SuppressMessage("Style", "IDE1006:Naming Styles", Justification = "<Pending>")]
+public abstract class CSiPluginBase : cPluginContract, IDisposable
+{
+  private const string s_modality = "Non-Modal";
+  private SpeckleFormBase? _panel;
+  private bool _disposed;
+
+  public void Main(ref cSapModel sapModel, ref cPluginCallback pluginCallback)
+  {
+    _panel = CreateForm();
+    _panel.SetSapModel(ref sapModel, ref pluginCallback);
+    _panel.FormClosed += (s, e) => Dispose();
+
+    if (string.Equals(s_modality, "Non-Modal", StringComparison.OrdinalIgnoreCase))
+    {
+      _panel.Show();
+    }
+    else
+    {
+      _panel.ShowDialog();
+    }
+  }
+
+  protected abstract SpeckleFormBase CreateForm();
+
+  public virtual int Info(ref string text)
+  {
+    text = "Hey Speckler! This is our next-gen CSi Connector.";
+    return 0;
+  }
+
+  protected virtual void Dispose(bool disposing)
+  {
+    if (!_disposed)
+    {
+      if (disposing)
+      {
+        _panel?.Dispose();
+        _panel = null;
+      }
+      _disposed = true;
+    }
+  }
+
+  public void Dispose()
+  {
+    Dispose(true);
+    GC.SuppressFinalize(this);
+  }
+
+  ~CSiPluginBase()
+  {
+    Dispose(false);
+  }
+}

Connectors/CSi/Speckle.Connectors.CSiShared/Plugin/SpeckleFormBase.cs

@@ -0,0 +1,65 @@
+using System.ComponentModel;
+using System.Windows.Forms.Integration;
+using Microsoft.Extensions.DependencyInjection;
+using Speckle.Connectors.Common;
+using Speckle.Connectors.CSiShared.HostApp;
+using Speckle.Connectors.DUI.WebView;
+using Speckle.Converters.CSiShared;
+using Speckle.Sdk.Host;
+
+namespace Speckle.Connectors.CSiShared;
+
+[DesignerCategory("")]
+public abstract class SpeckleFormBase : Form
+{
+  protected ElementHost Host { get; set; }
+  public static new ServiceProvider? Container { get; set; }
+  private cSapModel _sapModel;
+  private cPluginCallback _pluginCallback;
+
+  protected SpeckleFormBase()
+  {
+    Text = "Speckle (Beta)";
+
+    var services = new ServiceCollection();
+    ConfigureServices(services);
+
+    Container = services.BuildServiceProvider();
+
+    var webview = Container.GetRequiredService<DUI3ControlWebView>();
+    Host = new() { Child = webview, Dock = DockStyle.Fill };
+    Controls.Add(Host);
+    FormClosing += Form1Closing;
+  }
+
+  protected virtual void ConfigureServices(IServiceCollection services)
+  {
+    services.Initialize(GetHostApplication(), GetVersion());
+    services.AddCsi();
+    services.AddCsiConverters();
+  }
+
+  protected abstract HostApplication GetHostApplication();
+
+  protected abstract HostAppVersion GetVersion();
+
+  public void SetSapModel(ref cSapModel sapModel, ref cPluginCallback pluginCallback)
+  {
+    _sapModel = sapModel;
+    _pluginCallback = pluginCallback;
+
+    var csiService = Container.GetRequiredService<ICsiApplicationService>();
+    csiService.Initialize(sapModel, pluginCallback);
+  }
+
+  protected void Form1Closing(object? sender, FormClosingEventArgs e)
+  {
+    Host.Dispose();
+    _pluginCallback.Finish(0);
+  }
+
+  public new void ShowDialog()
+  {
+    base.ShowDialog();
+  }
+}

Connectors/CSi/Speckle.Connectors.CSiShared/ServiceRegistration.cs

@@ -0,0 +1,52 @@
+using Microsoft.Extensions.DependencyInjection;
+using Speckle.Connectors.Common;
+using Speckle.Connectors.Common.Builders;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.CSiShared.Bindings;
+using Speckle.Connectors.CSiShared.Builders;
+using Speckle.Connectors.CSiShared.Filters;
+using Speckle.Connectors.CSiShared.HostApp;
+using Speckle.Connectors.DUI;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Connectors.DUI.Models.Card.SendFilter;
+using Speckle.Connectors.DUI.WebView;
+using Speckle.Converters.CSiShared;
+
+namespace Speckle.Connectors.CSiShared;
+
+public static class ServiceRegistration
+{
+  public static IServiceCollection AddCsi(this IServiceCollection services)
+  {
+    services.AddSingleton<IBrowserBridge, BrowserBridge>();
+    services.AddSingleton<ICsiApplicationService, CsiApplicationService>();
+
+    services.AddConnectorUtils();
+    services.AddDUI<CsiDocumentModelStore>();
+    services.AddDUIView();
+
+    services.AddSingleton<DocumentModelStore, CsiDocumentModelStore>();
+
+    services.AddSingleton<IBinding, TestBinding>();
+    services.AddSingleton<IBinding, ConfigBinding>();
+    services.AddSingleton<IBinding, AccountBinding>();
+
+    services.AddSingleton<IBinding>(sp => sp.GetRequiredService<IBasicConnectorBinding>());
+    services.AddSingleton<IBasicConnectorBinding, CsiSharedBasicConnectorBinding>();
+    services.AddSingleton<IAppIdleManager, CsiIdleManager>();
+
+    services.AddSingleton<IBinding, CsiSharedSelectionBinding>();
+    services.AddSingleton<IBinding, CsiSharedSendBinding>();
+
+    services.AddScoped<ISendFilter, CsiSharedSelectionFilter>();
+    services.AddScoped<CsiSendCollectionManager>();
+    services.AddScoped<IRootObjectBuilder<ICsiWrapper>, CsiRootObjectBuilder>();
+    services.AddScoped<SendOperation<ICsiWrapper>>();
+
+    services.RegisterTopLevelExceptionHandler();
+
+    return services;
+  }
+}

Connectors/CSi/Speckle.Connectors.CSiShared/Speckle.Connectors.CSiShared.projitems

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <MSBuildAllProjects Condition="'$(MSBuildVersion)' == '' Or '$(MSBuildVersion)' &lt; '16.0'">$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+    <HasSharedItems>true</HasSharedItems>
+    <SharedGUID>a8e949b8-aa55-4909-99f0-8b551791a1f8</SharedGUID>
+  </PropertyGroup>
+  <PropertyGroup Label="Configuration">
+    <Import_RootNamespace>Speckle.Connectors.CSiShared</Import_RootNamespace>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="$(MSBuildThisFileDirectory)Bindings\CsiSharedBasicConnectorBinding.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Bindings\CsiSharedSelectionBinding.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Bindings\CsiSharedSendBinding.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Filters\CsiSharedSelectionFilter.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)HostApp\CsiSendCollectionManager.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\CsiRootObjectBuilder.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Plugin\CsiPluginBase.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Plugin\SpeckleFormBase.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)GlobalUsing.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)HostApp\CsiApplicationService.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)HostApp\CsiDocumentModelStore.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)HostApp\CsiIdleManager.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)ServiceRegistration.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Utils\ObjectIdentifiers.cs" />
+  </ItemGroup>
+</Project>

Connectors/CSi/Speckle.Connectors.CSiShared/Speckle.Connectors.CSiShared.shproj

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>a8e949b8-aa55-4909-99f0-8b551791a1f8</ProjectGuid>
+    <MinimumVisualStudioVersion>14.0</MinimumVisualStudioVersion>
+  </PropertyGroup>
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.Common.Default.props" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.Common.props" />
+  <PropertyGroup />
+  
+  <Import Project="Speckle.Connectors.CSiShared.projitems" Label="Shared" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.CSharp.targets" />
+</Project>

Connectors/CSi/Speckle.Connectors.CSiShared/Utils/ObjectIdentifiers.cs

@@ -0,0 +1,35 @@
+namespace Speckle.Connectors.CSiShared.Utils;
+
+/// <summary>
+/// ObjectIdentifier based on concatenating the objectType and objectName. CSi is annoying, we can't use GUIDs.
+/// </summary>
+/// <remarks>
+/// All API methods are based on the objectType and objectName, not the GUID.
+/// We will obviously manage the GUIDs but for all method calls we need a concatenated version of the objectType and objectName.
+/// Since objectType is a single int (1, 2 ... 7) we know first index will always be the objectType.
+/// This int gets used by the CsiWrapperFactory to create the CSiWrappers.
+/// </remarks>
+public static class ObjectIdentifier
+{
+  public static string Encode(int objectType, string objectName)
+  {
+    if (objectType < 1 || objectType > 7) // Both ETABS and SAP2000 APIs have the same returns for objectType
+    {
+      throw new ArgumentException($"Invalid object type: {objectType}. Must be between 1 and 7.");
+    }
+    return $"{objectType}{objectName}";
+  }
+
+  public static (int type, string name) Decode(string encodedId)
+  {
+    if (string.IsNullOrEmpty(encodedId) || encodedId.Length < 2) // Superfluous. But rather safe than sorry
+    {
+      throw new ArgumentException($"Invalid encoded ID: {encodedId}");
+    }
+
+    int objectType = int.Parse(encodedId[0].ToString());
+    string objectName = encodedId[1..];
+
+    return (objectType, objectName);
+  }
+}

Connectors/CSi/Speckle.Connectors.ETABS21/Plugin/SpeckleForm.cs

@@ -0,0 +1,12 @@
+using Speckle.Connectors.ETABSShared;
+using Speckle.Sdk.Host;
+
+// NOTE: Plugin entry point must match the assembly name, otherwise ETABS hits you with a "Not found" error when loading plugin
+// Disabling error below to prioritize DUI3 project structure. Name of cPlugin class cannot be changed
+#pragma warning disable IDE0130
+namespace Speckle.Connectors.ETABS21;
+
+public class SpeckleForm : EtabsSpeckleFormBase
+{
+  protected override HostAppVersion GetVersion() => HostAppVersion.v2021; // TODO: We need a v21
+}

Connectors/CSi/Speckle.Connectors.ETABS21/Plugin/cPlugin.cs

@@ -0,0 +1,12 @@
+using Speckle.Connectors.ETABSShared;
+
+// NOTE: Plugin entry point must match the assembly name, otherwise ETABS hits you with a "Not found" error when loading plugin
+// Disabling error below to prioritize DUI3 project structure. Name of cPlugin class cannot be changed
+#pragma warning disable IDE0130
+namespace Speckle.Connectors.ETABS21;
+
+[System.Diagnostics.CodeAnalysis.SuppressMessage("Style", "IDE1006:Naming Styles", Justification = "<Pending>")]
+public class cPlugin : EtabsPluginBase
+{
+  protected override EtabsSpeckleFormBase CreateEtabsForm() => new SpeckleForm();
+}

Connectors/CSi/Speckle.Connectors.ETABS21/Properties/launchSettings.json

@@ -0,0 +1,8 @@
+{
+  "profiles": {
+    "ETABS 21": {
+      "commandName": "Executable",
+      "executablePath": "C:\\Program Files\\Computers and Structures\\ETABS 21\\ETABS.exe"
+    }
+  }
+}

Connectors/CSi/Speckle.Connectors.ETABS21/Speckle.Connectors.ETABS21.csproj

@@ -0,0 +1,34 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+      <TargetFramework>net48</TargetFramework>
+      <ImplicitUsings>enable</ImplicitUsings>
+      <Nullable>enable</Nullable>
+      <Platforms>AnyCPU</Platforms>
+      <UseWindowsForms>true</UseWindowsForms>
+      <UseWPF>true</UseWPF>
+      <ETABSVersion>21</ETABSVersion>
+      <DefineConstants>$(DefineConstants);ETABS21</DefineConstants>
+      <EnableDynamicLoading>true</EnableDynamicLoading>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\..\..\Converters\CSi\Speckle.Converters.ETABS21\Speckle.Converters.ETABS21.csproj" />
+      <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
+      <ProjectReference Include="..\..\..\Sdk\Speckle.Connectors.Common\Speckle.Connectors.Common.csproj" />
+
+    </ItemGroup>
+
+    <ItemGroup>
+      <PackageReference Include="Speckle.CSI.API" PrivateAssets="all" IncludeAssets="compile; build" VersionOverride="1.30.0" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <Compile Update="Plugin\SpeckleForm.cs" />
+    </ItemGroup>
+
+    <Import Project="..\Speckle.Connectors.CSiShared\Speckle.Connectors.CSiShared.projitems" Label="Shared" />
+
+    <Import Project="..\Speckle.Connectors.ETABSShared\Speckle.Connectors.ETABSShared.projitems" Label="Shared" />
+
+</Project>

Connectors/CSi/Speckle.Connectors.ETABS21/packages.lock.json

@@ -0,0 +1,378 @@
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+        }
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+        }
+      },
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+        "dependencies": {
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+          "Speckle.Connectors.DUI": "[1.0.0, )"
+        }
+      },
+      "speckle.connectors.logging": {
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+      },
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+      },
+      "speckle.converters.etabs21": {
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+        }
+      },
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+      },
+      "Speckle.Objects": {
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+        "dependencies": {
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+        }
+      },
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+        "dependencies": {
+          "GraphQL.Client": "6.0.0",
+          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
+          "Microsoft.CSharp": "4.7.0",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.0.1",
+          "Speckle.Newtonsoft.Json": "13.0.2",
+          "Speckle.Sdk.Dependencies": "3.1.0-dev.219"
+        }
+      },
+      "Speckle.Sdk.Dependencies": {
+        "type": "CentralTransitive",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
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+      },
+      "System.Threading.Tasks.Dataflow": {
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+        "resolved": "6.0.0",
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+      }
+    }
+  }
+}

Connectors/CSi/Speckle.Connectors.ETABS22/Plugin/SpeckleForm.cs

@@ -0,0 +1,12 @@
+using Speckle.Connectors.ETABSShared;
+using Speckle.Sdk.Host;
+
+// NOTE: Plugin entry point must match the assembly name, otherwise ETABS hits you with a "Not found" error when loading plugin
+// Disabling error below to prioritize DUI3 project structure. Name of cPlugin class cannot be changed
+#pragma warning disable IDE0130
+namespace Speckle.Connectors.ETABS22;
+
+public class SpeckleForm : EtabsSpeckleFormBase
+{
+  protected override HostAppVersion GetVersion() => HostAppVersion.v2021; // TODO: v22
+}

Connectors/CSi/Speckle.Connectors.ETABS22/Plugin/cPlugin.cs

@@ -0,0 +1,12 @@
+using Speckle.Connectors.ETABSShared;
+
+// NOTE: Plugin entry point must match the assembly name, otherwise ETABS hits you with a "Not found" error when loading plugin
+// Disabling error below to prioritize DUI3 project structure. Name of cPlugin class cannot be changed
+#pragma warning disable IDE0130
+namespace Speckle.Connectors.ETABS22;
+
+[System.Diagnostics.CodeAnalysis.SuppressMessage("Style", "IDE1006:Naming Styles", Justification = "<Pending>")]
+public class cPlugin : EtabsPluginBase
+{
+  protected override EtabsSpeckleFormBase CreateEtabsForm() => new SpeckleForm();
+}

Connectors/CSi/Speckle.Connectors.ETABS22/Properties/launchSettings.json

@@ -0,0 +1,8 @@
+{
+  "profiles": {
+    "ETABS 22": {
+      "commandName": "Executable",
+      "executablePath": "C:\\Program Files\\Computers and Structures\\ETABS 22\\ETABS.exe"
+    }
+  }
+}

Connectors/CSi/Speckle.Connectors.ETABS22/Speckle.Connectors.ETABS22.csproj

@@ -0,0 +1,33 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+      <TargetFramework>net8.0-windows</TargetFramework>
+      <ImplicitUsings>enable</ImplicitUsings>
+      <Nullable>enable</Nullable>
+      <Platforms>AnyCPU</Platforms>
+      <UseWindowsForms>true</UseWindowsForms>
+      <UseWPF>true</UseWPF>
+      <ETABSVersion>22</ETABSVersion>
+      <DefineConstants>$(DefineConstants);ETABS22;ETABS22_OR_GREATER</DefineConstants>
+      <EnableDynamicLoading>true</EnableDynamicLoading>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\..\..\Converters\CSi\Speckle.Converters.ETABS22\Speckle.Converters.ETABS22.csproj" />
+      <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
+      <ProjectReference Include="..\..\..\Sdk\Speckle.Connectors.Common\Speckle.Connectors.Common.csproj" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <PackageReference Include="Speckle.CSI.API" PrivateAssets="all" IncludeAssets="compile; build" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <Compile Update="Plugin\SpeckleForm.cs" />
+    </ItemGroup>
+
+    <Import Project="..\Speckle.Connectors.CSiShared\Speckle.Connectors.CSiShared.projitems" Label="Shared" />
+
+    <Import Project="..\Speckle.Connectors.ETABSShared\Speckle.Connectors.ETABSShared.projitems" Label="Shared" />
+
+</Project>

Connectors/CSi/Speckle.Connectors.ETABS22/packages.lock.json

@@ -0,0 +1,333 @@
+{
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+        }
+      },
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+      },
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+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )"
+        }
+      },
+      "speckle.connectors.dui": {
+        "type": "Project",
+        "dependencies": {
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+          "Speckle.Connectors.Common": "[1.0.0, )",
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+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )",
+          "System.Threading.Tasks.Dataflow": "[6.0.0, )"
+        }
+      },
+      "speckle.connectors.dui.webview": {
+        "type": "Project",
+        "dependencies": {
+          "Microsoft.Web.WebView2": "[1.0.1938.49, )",
+          "Speckle.Connectors.DUI": "[1.0.0, )"
+        }
+      },
+      "speckle.connectors.logging": {
+        "type": "Project"
+      },
+      "speckle.converters.common": {
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+        "dependencies": {
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+          "Speckle.Objects": "[3.1.0-dev.219, )"
+        }
+      },
+      "speckle.converters.etabs22": {
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+        "dependencies": {
+          "Speckle.Converters.Common": "[1.0.0, )"
+        }
+      },
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+        "dependencies": {
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+        }
+      },
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+      },
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+      }
+    }
+  }
+}

Connectors/CSi/Speckle.Connectors.ETABSShared/HostApp/EtabsSendCollectionManager.cs

@@ -0,0 +1,153 @@
+using Speckle.Connectors.CSiShared.HostApp;
+using Speckle.Converters.Common;
+using Speckle.Converters.CSiShared;
+using Speckle.Sdk.Models;
+using Speckle.Sdk.Models.Collections;
+
+namespace Speckle.Connectors.ETABSShared.HostApp;
+
+/// <summary>
+/// ETABS-specific collection manager that organizes structural elements by level and type.
+/// Creates a hierarchical structure that mirrors ETABS' native organization.
+/// </summary>
+public class EtabsSendCollectionManager : CsiSendCollectionManager
+{
+  private const string DEFAULT_LEVEL = "Unassigned";
+
+  private readonly Dictionary<ElementCategory, string> _categoryNames =
+    new()
+    {
+      { ElementCategory.COLUMN, "Columns" },
+      { ElementCategory.BEAM, "Beams" },
+      { ElementCategory.BRACE, "Braces" },
+      { ElementCategory.WALL, "Walls" },
+      { ElementCategory.FLOOR, "Floors" },
+      { ElementCategory.RAMP, "Ramps" },
+      { ElementCategory.JOINT, "Joints" },
+      { ElementCategory.OTHER, "Other" }
+    };
+
+  public EtabsSendCollectionManager(IConverterSettingsStore<CsiConversionSettings> converterSettings)
+    : base(converterSettings) { }
+
+  public override Collection AddObjectCollectionToRoot(Base convertedObject, Collection rootObject)
+  {
+    var level = GetObjectLevelFromObject(convertedObject);
+    var category = GetElementCategoryFromObject(convertedObject);
+
+    return GetOrCreateCollectionHierarchy(level, category, rootObject);
+  }
+
+  private string GetObjectLevelFromObject(Base obj)
+  {
+    // Properties from converter are stored in "Object ID" dictionary
+    // NOTE: Introduce enums for these object keys? I don't like string indexing.
+    if (obj["properties"] is not Dictionary<string, object> properties)
+    {
+      return DEFAULT_LEVEL;
+    }
+
+    if (properties.TryGetValue("Object ID", out var objectId) && objectId is Dictionary<string, object> parameters)
+    {
+      return parameters.TryGetValue("level", out var level) ? level?.ToString() ?? DEFAULT_LEVEL : DEFAULT_LEVEL;
+    }
+
+    return DEFAULT_LEVEL;
+  }
+
+  private ElementCategory GetElementCategoryFromObject(Base obj)
+  {
+    var type = obj["type"]?.ToString();
+
+    // Handle non-structural elements
+    if (string.IsNullOrEmpty(type))
+    {
+      return ElementCategory.OTHER;
+    }
+
+    // For frames and shells, get design orientation from Object ID
+    if ((type == "Frame" || type == "Shell") && obj["properties"] is Dictionary<string, object> properties)
+    {
+      if (properties.TryGetValue("Object ID", out var objectId) && objectId is Dictionary<string, object> parameters)
+      {
+        if (parameters.TryGetValue("designOrientation", out var orientation))
+        {
+          return GetCategoryFromDesignOrientation(orientation?.ToString(), type);
+        }
+      }
+    }
+
+    // For joints, simply categorize as joints
+    return type == "Joint" ? ElementCategory.JOINT : ElementCategory.OTHER;
+  }
+
+  private ElementCategory GetCategoryFromDesignOrientation(string? orientation, string type)
+  {
+    if (string.IsNullOrEmpty(orientation))
+    {
+      return ElementCategory.OTHER;
+    }
+
+    return (orientation, type) switch
+    {
+      ("Column", "Frame") => ElementCategory.COLUMN,
+      ("Beam", "Frame") => ElementCategory.BEAM,
+      ("Brace", "Frame") => ElementCategory.BRACE,
+      ("Wall", "Shell") => ElementCategory.WALL,
+      ("Floor", "Shell") => ElementCategory.FLOOR,
+      ("Ramp", "Shell") => ElementCategory.RAMP,
+      _ => ElementCategory.OTHER
+    };
+  }
+
+  private Collection GetOrCreateCollectionHierarchy(string level, ElementCategory category, Collection root)
+  {
+    var hierarchyKey = $"{level}_{category}";
+
+    if (CollectionCache.TryGetValue(hierarchyKey, out var existingCollection))
+    {
+      return existingCollection;
+    }
+
+    var levelCollection = GetOrCreateLevelCollection(level, root);
+    var categoryCollection = CreateCategoryCollection(category, levelCollection);
+
+    CollectionCache[hierarchyKey] = categoryCollection;
+    return categoryCollection;
+  }
+
+  private Collection GetOrCreateLevelCollection(string level, Collection root)
+  {
+    var levelKey = $"Level_{level}";
+
+    if (CollectionCache.TryGetValue(levelKey, out var existingCollection))
+    {
+      return existingCollection;
+    }
+
+    var levelCollection = new Collection(level);
+    root.elements.Add(levelCollection);
+    CollectionCache[levelKey] = levelCollection;
+
+    return levelCollection;
+  }
+
+  private Collection CreateCategoryCollection(ElementCategory category, Collection levelCollection)
+  {
+    var categoryCollection = new Collection(_categoryNames[category]);
+    levelCollection.elements.Add(categoryCollection);
+    return categoryCollection;
+  }
+
+  private enum ElementCategory
+  {
+    COLUMN,
+    BEAM,
+    BRACE,
+    WALL,
+    FLOOR,
+    RAMP,
+    JOINT,
+    OTHER
+  }
+}

Connectors/CSi/Speckle.Connectors.ETABSShared/Plugin/EtabsPluginBase.cs

@@ -0,0 +1,17 @@
+using Speckle.Connectors.CSiShared;
+
+namespace Speckle.Connectors.ETABSShared;
+
+[System.Diagnostics.CodeAnalysis.SuppressMessage("Style", "IDE1006:Naming Styles", Justification = "<Pending>")]
+public abstract class EtabsPluginBase : CSiPluginBase
+{
+  public override int Info(ref string text)
+  {
+    text = "Hey Speckler! This is our next-gen ETABS Connector.";
+    return 0;
+  }
+
+  protected override SpeckleFormBase CreateForm() => CreateEtabsForm();
+
+  protected abstract EtabsSpeckleFormBase CreateEtabsForm();
+}

Connectors/CSi/Speckle.Connectors.ETABSShared/Plugin/EtabsSpeckleFormBase.cs

@@ -0,0 +1,16 @@
+using Microsoft.Extensions.DependencyInjection;
+using Speckle.Connectors.CSiShared;
+using Speckle.Sdk.Host;
+
+namespace Speckle.Connectors.ETABSShared;
+
+public abstract class EtabsSpeckleFormBase : SpeckleFormBase
+{
+  protected override HostApplication GetHostApplication() => HostApplications.ETABS;
+
+  protected override void ConfigureServices(IServiceCollection services)
+  {
+    base.ConfigureServices(services);
+    services.AddEtabs();
+  }
+}

Connectors/CSi/Speckle.Connectors.ETABSShared/ServiceRegistration.cs

@@ -0,0 +1,17 @@
+using Microsoft.Extensions.DependencyInjection;
+using Speckle.Connectors.CSiShared.HostApp;
+using Speckle.Connectors.ETABSShared.HostApp;
+using Speckle.Converters.ETABSShared;
+
+namespace Speckle.Connectors.ETABSShared;
+
+public static class ServiceRegistration
+{
+  public static IServiceCollection AddEtabs(this IServiceCollection services)
+  {
+    services.AddEtabsConverters();
+    services.AddScoped<CsiSendCollectionManager, EtabsSendCollectionManager>();
+
+    return services;
+  }
+}

Connectors/CSi/Speckle.Connectors.ETABSShared/Speckle.Connectors.ETABSShared.projitems

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <MSBuildAllProjects Condition="'$(MSBuildVersion)' == '' Or '$(MSBuildVersion)' &lt; '16.0'">$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+    <HasSharedItems>true</HasSharedItems>
+    <SharedGUID>5d1e0b0d-56a7-4e13-b9a9-8633e02b8f17</SharedGUID>
+  </PropertyGroup>
+  <PropertyGroup Label="Configuration">
+    <Import_RootNamespace>Speckle.Connectors.ETABSShared</Import_RootNamespace>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="$(MSBuildThisFileDirectory)HostApp\EtabsSendCollectionManager.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Plugin\EtabsPluginBase.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Plugin\EtabsSpeckleFormBase.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)ServiceRegistration.cs" />
+  </ItemGroup>
+</Project>

Connectors/CSi/Speckle.Connectors.ETABSShared/Speckle.Connectors.ETABSShared.shproj

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>5d1e0b0d-56a7-4e13-b9a9-8633e02b8f17</ProjectGuid>
+    <MinimumVisualStudioVersion>14.0</MinimumVisualStudioVersion>
+  </PropertyGroup>
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.Common.Default.props" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.Common.props" />
+  <PropertyGroup />
+  <Import Project="Speckle.Connectors.ETABSShared.projitems" Label="Shared" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.CSharp.targets" />
+</Project>

Connectors/Navisworks/Speckle.Connectors.Navisworks2020/Properties/launchSettings.json

@@ -0,0 +1,9 @@
+{
+  "profiles": {
+    "Speckle.Connector.Navisworks2020": {
+      "commandName": "Executable",
+      "executablePath": "C:\\Program Files\\Autodesk\\Navisworks Manage 2020\\Roamer.exe",
+      "commandLineArgs": " -licensing AdLM"
+    }
+  }
+}

Connectors/Navisworks/Speckle.Connectors.Navisworks2020/Speckle.Connectors.Navisworks2020.csproj

@@ -0,0 +1,56 @@
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+  <PropertyGroup>
+    <TargetFramework>net48</TargetFramework>
+    <PlatformTarget>x64</PlatformTarget>
+    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
+    <FileAlignment>512</FileAlignment>
+
+    <NavisworksBuildNumber>v17</NavisworksBuildNumber>
+    <NavisworksVersion>2020</NavisworksVersion>
+
+    <UseWpf>true</UseWpf>
+    <DefineConstants>$(DefineConstants);TRACE;NAVIS2020;NAVIS</DefineConstants>
+
+    <Description>NextGen Speckle Connector for Autodesk Navisworks Manage</Description>
+    <Authors>$(Authors) jonathon@speckle.systems</Authors>
+    <PackageTags>$(PackageTags) connector nwd nwc nwf navisworks manage</PackageTags>
+
+    <PluginBundleTarget>$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Navisworksv3.bundle</PluginBundleTarget>
+    <PluginVersionContentTarget>$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Navisworksv3.bundle\Contents\$(NavisworksVersion)</PluginVersionContentTarget>
+
+  </PropertyGroup>
+
+  <Import Project="..\Speckle.Connectors.NavisworksShared\Speckle.Connectors.NavisworksShared.projitems" Label="Shared"/>
+
+  <ItemGroup>
+    <Reference Include="WindowsFormsIntegration"/>
+    <PackageReference Include="Speckle.Objects"/>
+    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2020.0.0"/>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\Converters\Navisworks\Speckle.Converters.Navisworks2020\Speckle.Converters.Navisworks2020.csproj" />
+    <ProjectReference Include="..\..\..\Sdk\Speckle.Connectors.Common\Speckle.Connectors.Common.csproj"/>
+    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj"/>
+
+  </ItemGroup>
+
+  <!-- Post Builds -->
+  <ItemGroup>
+    <RibbonFiles Include="$(OutDir)Plugin\NavisworksRibbon.*"/>
+    <ResourceFiles Include="$(OutDir)Resources\**\*.png"/>
+    <ResourceFiles Include="$(OutDir)Resources\**\*.ico"/>
+    <AllFiles Include="$(OutDir)*"/>
+  </ItemGroup>
+
+  <Target Name="PostBuild" AfterTargets="Build">
+    <RemoveDir Directories="$(PluginVersionContentTarget)" Condition="Exists('$(PluginVersionContentTarget)')"/>
+
+    <Copy SourceFiles="$(OutDir)Plugin\PackageContents.xml" DestinationFolder="$(PluginBundleTarget)\"/>
+    <Copy SourceFiles="@(RibbonFiles)" DestinationFolder="$(PluginVersionContentTarget)\en-US\"/>
+    <Copy SourceFiles="@(ResourceFiles)" DestinationFolder="$(PluginVersionContentTarget)\Resources\"/>
+
+    <Copy SourceFiles="@(AllFiles)" DestinationFolder="$(PluginVersionContentTarget)\" />
+  </Target>
+
+</Project>

Connectors/Navisworks/Speckle.Connectors.Navisworks2020/packages.lock.json

@@ -0,0 +1,393 @@
+{
+  "version": 2,
+  "dependencies": {
+    ".NETFramework,Version=v4.8": {
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+        "type": "Direct",
+        "requested": "[1.0.3, )",
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+        "dependencies": {
+          "Microsoft.NETFramework.ReferenceAssemblies.net48": "1.0.3"
+        }
+      },
+      "Microsoft.SourceLink.GitHub": {
+        "type": "Direct",
+        "requested": "[8.0.0, )",
+        "resolved": "8.0.0",
+        "contentHash": "G5q7OqtwIyGTkeIOAc3u2ZuV/kicQaec5EaRnc0pIeSnh9LUjj+PYQrJYBURvDt7twGl2PKA7nSN0kz1Zw5bnQ==",
+        "dependencies": {
+          "Microsoft.Build.Tasks.Git": "8.0.0",
+          "Microsoft.SourceLink.Common": "8.0.0"
+        }
+      },
+      "PolySharp": {
+        "type": "Direct",
+        "requested": "[1.14.1, )",
+        "resolved": "1.14.1",
+        "contentHash": "mOOmFYwad3MIOL14VCjj02LljyF1GNw1wP0YVlxtcPvqdxjGGMNdNJJxHptlry3MOd8b40Flm8RPOM8JOlN2sQ=="
+      },
+      "Speckle.InterfaceGenerator": {
+        "type": "Direct",
+        "requested": "[0.9.6, )",
+        "resolved": "0.9.6",
+        "contentHash": "HKH7tYrYYlCK1ct483hgxERAdVdMtl7gUKW9ijWXxA1UsYR4Z+TrRHYmzZ9qmpu1NnTycSrp005NYM78GDKV1w=="
+      },
+      "Speckle.Navisworks.API": {
+        "type": "Direct",
+        "requested": "[2020.0.0, )",
+        "resolved": "2020.0.0",
+        "contentHash": "biB2RR0HNxrbHD7zBZoJUhwzPwVE5IFg9l4/747bHOLRJC3FM5UtzdjGwvRZwfOlFyM4P26NYARSiCaxSNIBpg=="
+      },
+      "Speckle.Objects": {
+        "type": "Direct",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
+        "contentHash": "2thsMUDkRr7lR0PXZJ8k3KWZLWjz/aBY0KaO2SuXM0lIKyJw1APMJ7lXJ89e6JAjBzEbK8yLHBb0qtfcc4bNRw==",
+        "dependencies": {
+          "Speckle.Sdk": "3.1.0-dev.219"
+        }
+      },
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+        "dependencies": {
+          "GraphQL.Client.Abstractions": "6.0.0",
+          "GraphQL.Client.Abstractions.Websocket": "6.0.0",
+          "System.Net.WebSockets.Client.Managed": "1.0.22",
+          "System.Reactive": "5.0.0"
+        }
+      },
+      "GraphQL.Client.Abstractions": {
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+        }
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Connectors/Navisworks/Speckle.Connectors.Navisworks2021/Properties/launchSettings.json

@@ -0,0 +1,9 @@
+{
+  "profiles": {
+    "Speckle.Connector.Navisworks2021": {
+      "commandName": "Executable",
+      "executablePath": "C:\\Program Files\\Autodesk\\Navisworks Manage 2021\\Roamer.exe",
+      "commandLineArgs": " -licensing AdLM"
+    }
+  }
+}

Connectors/Navisworks/Speckle.Connectors.Navisworks2021/Speckle.Connectors.Navisworks2021.csproj

@@ -0,0 +1,56 @@
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+  <PropertyGroup>
+    <TargetFramework>net48</TargetFramework>
+    <PlatformTarget>x64</PlatformTarget>
+    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
+    <FileAlignment>512</FileAlignment>
+
+    <NavisworksBuildNumber>v18</NavisworksBuildNumber>
+    <NavisworksVersion>2021</NavisworksVersion>
+
+    <UseWpf>true</UseWpf>
+    <DefineConstants>$(DefineConstants);TRACE;NAVIS2021;NAVIS</DefineConstants>
+
+    <Description>NextGen Speckle Connector for Autodesk Navisworks Manage</Description>
+    <Authors>$(Authors) jonathon@speckle.systems</Authors>
+    <PackageTags>$(PackageTags) connector nwd nwc nwf navisworks manage</PackageTags>
+
+    <PluginBundleTarget>$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Navisworksv3.bundle</PluginBundleTarget>
+    <PluginVersionContentTarget>$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Navisworksv3.bundle\Contents\$(NavisworksVersion)</PluginVersionContentTarget>
+
+  </PropertyGroup>
+
+  <Import Project="..\Speckle.Connectors.NavisworksShared\Speckle.Connectors.NavisworksShared.projitems" Label="Shared"/>
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+    <PackageReference Include="Speckle.Objects"/>
+    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2021.0.0"/>
+  </ItemGroup>
+
+  <ItemGroup>
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+    <ProjectReference Include="..\..\..\Sdk\Speckle.Connectors.Common\Speckle.Connectors.Common.csproj"/>
+    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj"/>
+
+  </ItemGroup>
+
+  <!-- Post Builds -->
+  <ItemGroup>
+    <RibbonFiles Include="$(OutDir)Plugin\NavisworksRibbon.*"/>
+    <ResourceFiles Include="$(OutDir)Resources\**\*.png"/>
+    <ResourceFiles Include="$(OutDir)Resources\**\*.ico"/>
+    <AllFiles Include="$(OutDir)*"/>
+  </ItemGroup>
+
+  <Target Name="PostBuild" AfterTargets="Build">
+    <RemoveDir Directories="$(PluginVersionContentTarget)" Condition="Exists('$(PluginVersionContentTarget)')"/>
+
+    <Copy SourceFiles="$(OutDir)Plugin\PackageContents.xml" DestinationFolder="$(PluginBundleTarget)\"/>
+    <Copy SourceFiles="@(RibbonFiles)" DestinationFolder="$(PluginVersionContentTarget)\en-US\"/>
+    <Copy SourceFiles="@(ResourceFiles)" DestinationFolder="$(PluginVersionContentTarget)\Resources\"/>
+
+    <Copy SourceFiles="@(AllFiles)" DestinationFolder="$(PluginVersionContentTarget)\" />
+  </Target>
+
+</Project>

Connectors/Navisworks/Speckle.Connectors.Navisworks2021/packages.lock.json

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Connectors/Navisworks/Speckle.Connectors.Navisworks2022/Properties/launchSettings.json

@@ -0,0 +1,9 @@
+{
+  "profiles": {
+    "Speckle.Connector.Navisworks2022": {
+      "commandName": "Executable",
+      "executablePath": "C:\\Program Files\\Autodesk\\Navisworks Manage 2022\\Roamer.exe",
+      "commandLineArgs": " -licensing AdLM"
+    }
+  }
+}

Connectors/Navisworks/Speckle.Connectors.Navisworks2022/Speckle.Connectors.Navisworks2022.csproj

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+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+
+  <PropertyGroup>
+    <TargetFramework>net48</TargetFramework>
+    <PlatformTarget>x64</PlatformTarget>
+    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
+    <FileAlignment>512</FileAlignment>
+
+    <NavisworksBuildNumber>v19</NavisworksBuildNumber>
+    <NavisworksVersion>2022</NavisworksVersion>
+
+    <UseWpf>true</UseWpf>
+    <DefineConstants>$(DefineConstants);TRACE;NAVIS2022;NAVIS</DefineConstants>
+
+    <Description>NextGen Speckle Connector for Autodesk Navisworks Manage</Description>
+    <Authors>$(Authors) jonathon@speckle.systems</Authors>
+    <PackageTags>$(PackageTags) connector nwd nwc nwf navisworks manage</PackageTags>
+
+    <PluginBundleTarget>$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Navisworksv3.bundle</PluginBundleTarget>
+    <PluginVersionContentTarget>$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Navisworksv3.bundle\Contents\$(NavisworksVersion)</PluginVersionContentTarget>
+
+  </PropertyGroup>
+
+  <Import Project="..\Speckle.Connectors.NavisworksShared\Speckle.Connectors.NavisworksShared.projitems" Label="Shared"/>
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+    <PackageReference Include="Speckle.Objects"/>
+    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2022.0.0"/>
+  </ItemGroup>
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+  <ItemGroup>
+    <ProjectReference Include="..\..\..\Converters\Navisworks\Speckle.Converters.Navisworks2022\Speckle.Converters.Navisworks2022.csproj" />
+    <ProjectReference Include="..\..\..\Sdk\Speckle.Connectors.Common\Speckle.Connectors.Common.csproj"/>
+    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj"/>
+
+  </ItemGroup>
+
+  <!-- Post Builds -->
+  <ItemGroup>
+    <RibbonFiles Include="$(OutDir)Plugin\NavisworksRibbon.*"/>
+    <ResourceFiles Include="$(OutDir)Resources\**\*.png"/>
+    <ResourceFiles Include="$(OutDir)Resources\**\*.ico"/>
+    <AllFiles Include="$(OutDir)*"/>
+  </ItemGroup>
+
+  <Target Name="PostBuild" AfterTargets="Build">
+    <RemoveDir Directories="$(PluginVersionContentTarget)" Condition="Exists('$(PluginVersionContentTarget)')"/>
+
+    <Copy SourceFiles="$(OutDir)Plugin\PackageContents.xml" DestinationFolder="$(PluginBundleTarget)\"/>
+    <Copy SourceFiles="@(RibbonFiles)" DestinationFolder="$(PluginVersionContentTarget)\en-US\"/>
+    <Copy SourceFiles="@(ResourceFiles)" DestinationFolder="$(PluginVersionContentTarget)\Resources\"/>
+
+    <Copy SourceFiles="@(AllFiles)" DestinationFolder="$(PluginVersionContentTarget)\" />
+  </Target>
+
+</Project>

Connectors/Navisworks/Speckle.Connectors.Navisworks2022/packages.lock.json

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Connectors/Navisworks/Speckle.Connectors.Navisworks2023/Properties/launchSettings.json

@@ -0,0 +1,9 @@
+{
+  "profiles": {
+    "Speckle.Connector.Navisworks2023": {
+      "commandName": "Executable",
+      "executablePath": "C:\\Program Files\\Autodesk\\Navisworks Manage 2023\\Roamer.exe",
+      "commandLineArgs": " -licensing AdLM"
+    }
+  }
+}

Connectors/Navisworks/Speckle.Connectors.Navisworks2023/Speckle.Connectors.Navisworks2023.csproj

@@ -0,0 +1,59 @@
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+
+  <PropertyGroup>
+    <TargetFramework>net48</TargetFramework>
+    <PlatformTarget>x64</PlatformTarget>
+    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
+    <FileAlignment>512</FileAlignment>
+
+    <NavisworksBuildNumber>v20</NavisworksBuildNumber>
+    <NavisworksVersion>2023</NavisworksVersion>
+
+    <UseWpf>true</UseWpf>
+    <DefineConstants>$(DefineConstants);TRACE;NAVIS2023;NAVIS</DefineConstants>
+
+    <Description>NextGen Speckle Connector for Autodesk Navisworks Manage</Description>
+    <Authors>$(Authors) jonathon@speckle.systems</Authors>
+    <PackageTags>$(PackageTags) connector nwd nwc nwf navisworks manage</PackageTags>
+
+    <PluginBundleTarget>$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Navisworksv3.bundle</PluginBundleTarget>
+    <PluginVersionContentTarget>$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Navisworksv3.bundle\Contents\$(NavisworksVersion)</PluginVersionContentTarget>
+    <RootNamespace>Speckle.Connector.Navisworks</RootNamespace>
+
+  </PropertyGroup>
+
+  <!-- Includes -->
+  <Import Project="..\Speckle.Connectors.NavisworksShared\Speckle.Connectors.NavisworksShared.projitems" Label="Shared"/>
+
+  <ItemGroup>
+    <Reference Include="WindowsFormsIntegration"/>
+    <PackageReference Include="Speckle.Objects"/>
+    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2023.0.0"/>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\Converters\Navisworks\Speckle.Converters.Navisworks2023\Speckle.Converters.Navisworks2023.csproj" />
+    <ProjectReference Include="..\..\..\Sdk\Speckle.Connectors.Common\Speckle.Connectors.Common.csproj"/>
+    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj"/>
+
+  </ItemGroup>
+
+  <!-- Post Builds -->
+  <ItemGroup>
+    <RibbonFiles Include="$(OutDir)Plugin\NavisworksRibbon.*"/>
+    <ResourceFiles Include="$(OutDir)Resources\**\*.png"/>
+    <ResourceFiles Include="$(OutDir)Resources\**\*.ico"/>
+    <AllFiles Include="$(OutDir)*"/>
+  </ItemGroup>
+
+  <Target Name="PostBuild" AfterTargets="Build">
+    <RemoveDir Directories="$(PluginVersionContentTarget)" Condition="Exists('$(PluginVersionContentTarget)')"/>
+
+    <Copy SourceFiles="$(OutDir)Plugin\PackageContents.xml" DestinationFolder="$(PluginBundleTarget)\"/>
+    <Copy SourceFiles="@(RibbonFiles)" DestinationFolder="$(PluginVersionContentTarget)\en-US\"/>
+    <Copy SourceFiles="@(ResourceFiles)" DestinationFolder="$(PluginVersionContentTarget)\Resources\"/>
+
+    <Copy SourceFiles="@(AllFiles)" DestinationFolder="$(PluginVersionContentTarget)\" />
+  </Target>
+
+</Project>

Connectors/Navisworks/Speckle.Connectors.Navisworks2023/packages.lock.json

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Connectors/Navisworks/Speckle.Connectors.Navisworks2024/Properties/launchSettings.json

@@ -0,0 +1,9 @@
+{
+  "profiles": {
+    "Speckle.Connector.Navisworks2024": {
+      "commandName": "Executable",
+      "executablePath": "C:\\Program Files\\Autodesk\\Navisworks Manage 2024\\Roamer.exe",
+      "commandLineArgs": " -licensing AdLM"
+    }
+  }
+}

Connectors/Navisworks/Speckle.Connectors.Navisworks2024/Speckle.Connectors.Navisworks2024.csproj

@@ -0,0 +1,58 @@
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+
+  <PropertyGroup>
+    <TargetFramework>net48</TargetFramework>
+    <PlatformTarget>x64</PlatformTarget>
+    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
+    <FileAlignment>512</FileAlignment>
+
+    <NavisworksBuildNumber>v21</NavisworksBuildNumber>
+    <NavisworksVersion>2024</NavisworksVersion>
+
+    <UseWpf>true</UseWpf>
+    <DefineConstants>$(DefineConstants);TRACE;NAVIS2024;NAVIS</DefineConstants>
+
+    <Description>NextGen Speckle Connector for Autodesk Navisworks Manage</Description>
+    <Authors>$(Authors) jonathon@speckle.systems</Authors>
+    <PackageTags>$(PackageTags) connector nwd nwc nwf navisworks manage</PackageTags>
+
+    <PluginBundleTarget>$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Navisworksv3.bundle</PluginBundleTarget>
+    <PluginVersionContentTarget>$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Navisworksv3.bundle\Contents\$(NavisworksVersion)</PluginVersionContentTarget>
+    <RootNamespace>Speckle.Connector.Navisworks</RootNamespace>
+
+  </PropertyGroup>
+
+  <Import Project="..\Speckle.Connectors.NavisworksShared\Speckle.Connectors.NavisworksShared.projitems" Label="Shared"/>
+
+  <ItemGroup>
+    <Reference Include="WindowsFormsIntegration"/>
+    <PackageReference Include="Speckle.Objects"/>
+    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2024.0.0"/>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\Converters\Navisworks\Speckle.Converters.Navisworks2024\Speckle.Converters.Navisworks2024.csproj" />
+    <ProjectReference Include="..\..\..\Sdk\Speckle.Connectors.Common\Speckle.Connectors.Common.csproj"/>
+    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj"/>
+
+  </ItemGroup>
+
+  <!-- Post Builds -->
+  <ItemGroup>
+    <RibbonFiles Include="$(OutDir)Plugin\NavisworksRibbon.*"/>
+    <ResourceFiles Include="$(OutDir)Resources\**\*.png"/>
+    <ResourceFiles Include="$(OutDir)Resources\**\*.ico"/>
+    <AllFiles Include="$(OutDir)*"/>
+  </ItemGroup>
+
+  <Target Name="PostBuild" AfterTargets="Build">
+    <RemoveDir Directories="$(PluginVersionContentTarget)" Condition="Exists('$(PluginVersionContentTarget)')"/>
+
+    <Copy SourceFiles="$(OutDir)Plugin\PackageContents.xml" DestinationFolder="$(PluginBundleTarget)\"/>
+    <Copy SourceFiles="@(RibbonFiles)" DestinationFolder="$(PluginVersionContentTarget)\en-US\"/>
+    <Copy SourceFiles="@(ResourceFiles)" DestinationFolder="$(PluginVersionContentTarget)\Resources\"/>
+
+    <Copy SourceFiles="@(AllFiles)" DestinationFolder="$(PluginVersionContentTarget)\" />
+  </Target>
+
+</Project>

Connectors/Navisworks/Speckle.Connectors.Navisworks2024/packages.lock.json

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Connectors/Navisworks/Speckle.Connectors.Navisworks2025/Properties/launchSettings.json

@@ -0,0 +1,9 @@
+{
+  "profiles": {
+    "Speckle.Connector.Navisworks2025": {
+      "commandName": "Executable",
+      "executablePath": "C:\\Program Files\\Autodesk\\Navisworks Manage 2025\\Roamer.exe",
+      "commandLineArgs": " -licensing AdLM"
+    }
+  }
+}

Connectors/Navisworks/Speckle.Connectors.Navisworks2025/Speckle.Connectors.Navisworks2025.csproj

@@ -0,0 +1,56 @@
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+  <PropertyGroup>
+    <TargetFramework>net48</TargetFramework>
+    <PlatformTarget>x64</PlatformTarget>
+    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
+    <FileAlignment>512</FileAlignment>
+
+    <NavisworksBuildNumber>v22</NavisworksBuildNumber>
+    <NavisworksVersion>2025</NavisworksVersion>
+
+    <UseWpf>true</UseWpf>
+    <DefineConstants>$(DefineConstants);TRACE;NAVIS2025;NAVIS</DefineConstants>
+
+    <Description>NextGen Speckle Connector for Autodesk Navisworks Manage</Description>
+    <Authors>$(Authors) jonathon@speckle.systems</Authors>
+    <PackageTags>$(PackageTags) connector nwd nwc nwf navisworks manage</PackageTags>
+
+    <PluginBundleTarget>$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Navisworksv3.bundle</PluginBundleTarget>
+    <PluginVersionContentTarget>$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Navisworksv3.bundle\Contents\$(NavisworksVersion)</PluginVersionContentTarget>
+
+  </PropertyGroup>
+
+  <Import Project="..\Speckle.Connectors.NavisworksShared\Speckle.Connectors.NavisworksShared.projitems" Label="Shared"/>
+
+  <ItemGroup>
+    <Reference Include="WindowsFormsIntegration"/>
+    <PackageReference Include="Speckle.Objects"/>
+    <PackageReference Include="Speckle.Navisworks.API" VersionOverride="2025.0.0"/>
+    <PackageReference Include="Microsoft.Web.WebView2" VersionOverride="1.0.2045.28" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\Converters\Navisworks\Speckle.Converters.Navisworks2025\Speckle.Converters.Navisworks2025.csproj" />
+    <ProjectReference Include="..\..\..\Sdk\Speckle.Connectors.Common\Speckle.Connectors.Common.csproj"/>
+    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj"/>
+  </ItemGroup>
+
+  <!-- Post Builds -->
+  <ItemGroup>
+    <RibbonFiles Include="$(OutDir)Plugin\NavisworksRibbon.*"/>
+    <ResourceFiles Include="$(OutDir)Resources\**\*.png"/>
+    <ResourceFiles Include="$(OutDir)Resources\**\*.ico"/>
+    <AllFiles Include="$(OutDir)*"/>
+  </ItemGroup>
+
+  <Target Name="PostBuild" AfterTargets="Build">
+    <RemoveDir Directories="$(PluginVersionContentTarget)" Condition="Exists('$(PluginVersionContentTarget)')"/>
+
+    <Copy SourceFiles="$(OutDir)Plugin\PackageContents.xml" DestinationFolder="$(PluginBundleTarget)\"/>
+    <Copy SourceFiles="@(RibbonFiles)" DestinationFolder="$(PluginVersionContentTarget)\en-US\"/>
+    <Copy SourceFiles="@(ResourceFiles)" DestinationFolder="$(PluginVersionContentTarget)\Resources\"/>
+
+    <Copy SourceFiles="@(AllFiles)" DestinationFolder="$(PluginVersionContentTarget)\" />
+  </Target>
+
+</Project>

Connectors/Navisworks/Speckle.Connectors.Navisworks2025/packages.lock.json

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+        "type": "Project",
+        "dependencies": {
+          "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
+          "Speckle.Connectors.Logging": "[1.0.0, )",
+          "Speckle.Objects": "[3.1.0-dev.219, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )"
+        }
+      },
+      "speckle.connectors.dui": {
+        "type": "Project",
+        "dependencies": {
+          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
+          "Speckle.Connectors.Common": "[1.0.0, )",
+          "Speckle.Sdk": "[3.1.0-dev.219, )",
+          "Speckle.Sdk.Dependencies": "[3.1.0-dev.219, )",
+          "System.Threading.Tasks.Dataflow": "[6.0.0, )"
+        }
+      },
+      "speckle.connectors.dui.webview": {
+        "type": "Project",
+        "dependencies": {
+          "Microsoft.Web.WebView2": "[1.0.1938.49, )",
+          "Speckle.Connectors.DUI": "[1.0.0, )"
+        }
+      },
+      "speckle.connectors.logging": {
+        "type": "Project"
+      },
+      "speckle.converters.common": {
+        "type": "Project",
+        "dependencies": {
+          "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
+          "Speckle.Objects": "[3.1.0-dev.219, )"
+        }
+      },
+      "speckle.converters.navisworks2025": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.Connectors.DUI": "[1.0.0, )",
+          "Speckle.Converters.Common": "[1.0.0, )",
+          "Speckle.Navisworks.API": "[2025.0.0, )"
+        }
+      },
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+        }
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+        "dependencies": {
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+          "Microsoft.Extensions.Logging.Abstractions": "2.2.0",
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+        }
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+      },
+      "Speckle.Sdk": {
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+        "contentHash": "UTgz9UgkMFGqRLmCq1HPo74MngvKbSZOFWaMRzASHrrnsBtzZatBXjoJBlvVoeBCoiea5Jj+BgZg6RvlV2m3sg==",
+        "dependencies": {
+          "GraphQL.Client": "6.0.0",
+          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
+          "Microsoft.CSharp": "4.7.0",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.0.1",
+          "Speckle.Newtonsoft.Json": "13.0.2",
+          "Speckle.Sdk.Dependencies": "3.1.0-dev.219"
+        }
+      },
+      "Speckle.Sdk.Dependencies": {
+        "type": "CentralTransitive",
+        "requested": "[3.1.0-dev.219, )",
+        "resolved": "3.1.0-dev.219",
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+      },
+      "System.Threading.Tasks.Dataflow": {
+        "type": "CentralTransitive",
+        "requested": "[6.0.0, )",
+        "resolved": "6.0.0",
+        "contentHash": "+tyDCU3/B1lDdOOAJywHQoFwyXIUghIaP2BxG79uvhfTnO+D9qIgjVlL/JV2NTliYbMHpd6eKDmHp2VHpij7MA=="
+      }
+    },
+    ".NETFramework,Version=v4.8/win-x64": {
+      "Microsoft.Web.WebView2": {
+        "type": "Direct",
+        "requested": "[1.0.2045.28, )",
+        "resolved": "1.0.2045.28",
+        "contentHash": "QDsR/HCNjzqYZrIuNLxyfmOIqVfMq1iGyoBR3OVVlFl4NZ12T8jRC0MNpOReKfgwtO5zh8g+eBYR6RAXFltcVA=="
+      },
+      "SQLitePCLRaw.lib.e_sqlite3": {
+        "type": "Transitive",
+        "resolved": "2.1.4",
+        "contentHash": "2C9Q9eX7CPLveJA0rIhf9RXAvu+7nWZu1A2MdG6SD/NOu26TakGgL1nsbc0JAspGijFOo3HoN79xrx8a368fBg=="
+      }
+    }
+  }
+}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Bindings/NavisworksBasicConnectorBinding.cs

@@ -0,0 +1,78 @@
+using Speckle.Connector.Navisworks.HostApp;
+using Speckle.Connectors.Common.Caching;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Connectors.DUI.Models.Card;
+using Speckle.Sdk;
+
+namespace Speckle.Connector.Navisworks.Bindings;
+
+public class NavisworksBasicConnectorBinding : IBasicConnectorBinding
+{
+  public string Name => "baseBinding";
+  public IBrowserBridge Parent { get; }
+  public BasicConnectorBindingCommands Commands { get; }
+
+  private readonly DocumentModelStore _store;
+  private readonly ISendConversionCache _sendConversionCache;
+  private readonly ISpeckleApplication _speckleApplication;
+  private readonly NavisworksDocumentEvents _documentEvents;
+
+  public NavisworksBasicConnectorBinding(
+    IBrowserBridge parent,
+    DocumentModelStore store,
+    ISendConversionCache sendConversionCache,
+    ISpeckleApplication speckleApplication,
+    NavisworksDocumentEvents documentEvents
+  )
+  {
+    Parent = parent;
+    _store = store;
+    _sendConversionCache = sendConversionCache;
+    _speckleApplication = speckleApplication;
+    _documentEvents = documentEvents;
+    Commands = new BasicConnectorBindingCommands(parent);
+  }
+
+  public string GetSourceApplicationName() => _speckleApplication.Slug;
+
+  public string GetSourceApplicationVersion() => _speckleApplication.HostApplicationVersion;
+
+  public string GetConnectorVersion() => _speckleApplication.SpeckleVersion;
+
+  public DocumentInfo? GetDocumentInfo() =>
+    Parent
+      .RunOnMainThreadAsync(
+        () =>
+          Task.FromResult(
+            NavisworksApp.ActiveDocument is null || NavisworksApp.ActiveDocument.Models.Count == 0
+              ? null
+              : new DocumentInfo(
+                NavisworksApp.ActiveDocument.CurrentFileName,
+                NavisworksApp.ActiveDocument.Title,
+                NavisworksApp.ActiveDocument.GetHashCode().ToString()
+              )
+          )
+      )
+      .Result;
+
+  public DocumentModelStore GetDocumentState() => _store;
+
+  public void AddModel(ModelCard model) => _store.AddModel(model);
+
+  public void UpdateModel(ModelCard model) => _store.UpdateModel(model);
+
+  public void RemoveModel(ModelCard model) => _store.RemoveModel(model);
+
+  public Task HighlightModel(string modelCardId) => Task.CompletedTask;
+
+  public async Task HighlightObjects(IReadOnlyList<string> objectIds) =>
+    await Parent
+      .RunOnMainThreadAsync(async () =>
+      {
+        // TODO: Implement highlighting logic on main thread
+        await Task.CompletedTask.ConfigureAwait(false);
+      })
+      .ConfigureAwait(false);
+}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Bindings/NavisworksSelectionBinding.cs

@@ -0,0 +1,71 @@
+using Speckle.Connector.Navisworks.Services;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+
+namespace Speckle.Connector.Navisworks.Bindings;
+
+public class NavisworksSelectionBinding : ISelectionBinding
+{
+  private readonly IAppIdleManager _appIdleManager;
+  private readonly IElementSelectionService _selectionService;
+  private const string SELECTION_EVENT = "setSelection";
+  public string Name { get; } = "selectionBinding";
+  public IBrowserBridge Parent { get; }
+
+  public NavisworksSelectionBinding(
+    IAppIdleManager idleManager,
+    IBrowserBridge parent,
+    IElementSelectionService selectionService
+  )
+  {
+    _selectionService = selectionService;
+    _appIdleManager = idleManager;
+    Parent = parent;
+
+    NavisworksApp.ActiveDocument.CurrentSelection.Changed += OnSelectionChange;
+  }
+
+  private void OnSelectionChange(object? o, EventArgs eventArgs) =>
+    _appIdleManager.SubscribeToIdle(
+      nameof(NavisworksSelectionBinding),
+      async () => await UpdateSelectionAsync().ConfigureAwait(false)
+    );
+
+  private void UpdateSelection()
+  {
+    SelectionInfo selInfo = GetSelection();
+    Parent.Send(SELECTION_EVENT, selInfo);
+  }
+
+  private async Task UpdateSelectionAsync()
+  {
+    var selInfo = await Parent
+      .RunOnMainThreadAsync<SelectionInfo>(() => Task.FromResult(GetSelection()))
+      .ConfigureAwait(false);
+
+    await Parent.Send<SelectionInfo>(SELECTION_EVENT, selInfo).ConfigureAwait(false);
+  }
+
+  public SelectionInfo GetSelection()
+  {
+    // Ensure there is an active document and a valid selection
+    var activeDocument = NavisworksApp.ActiveDocument;
+    if (activeDocument == null || activeDocument.CurrentSelection.SelectedItems.IsEmpty)
+    {
+      // Return an empty list if no valid selection exists
+      return new SelectionInfo([], "No selection available");
+    }
+
+    // Ensure only visible elements are processed by filtering using IsElementVisible
+    var selectedObjectsIds = new HashSet<string>(
+      activeDocument
+        .CurrentSelection.SelectedItems.Where(_selectionService.IsVisible) // Exclude hidden elements
+        .Select(_selectionService.GetModelItemPath) // Resolve to index paths
+    );
+
+    return new SelectionInfo(
+      [.. selectedObjectsIds],
+      $"{selectedObjectsIds.Count} object{(selectedObjectsIds.Count != 1 ? "s" : "")}"
+    );
+  }
+}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Bindings/NavisworksSendBinding.cs

@@ -0,0 +1,194 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Speckle.Connector.Navisworks.Operations.Send.Settings;
+using Speckle.Connector.Navisworks.Services;
+using Speckle.Connectors.Common.Cancellation;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Connectors.DUI.Exceptions;
+using Speckle.Connectors.DUI.Logging;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Connectors.DUI.Models.Card;
+using Speckle.Connectors.DUI.Models.Card.SendFilter;
+using Speckle.Connectors.DUI.Settings;
+using Speckle.Converter.Navisworks.Settings;
+using Speckle.Converters.Common;
+using Speckle.Sdk;
+using Speckle.Sdk.Common;
+using Speckle.Sdk.Logging;
+
+namespace Speckle.Connector.Navisworks.Bindings;
+
+public class NavisworksSendBinding : ISendBinding
+{
+  public string Name => "sendBinding";
+  public IBrowserBridge Parent { get; }
+
+  public SendBindingUICommands Commands { get; }
+
+  private readonly DocumentModelStore _store;
+  private readonly IServiceProvider _serviceProvider;
+  private readonly List<ISendFilter> _sendFilters;
+  private readonly CancellationManager _cancellationManager;
+  private readonly IOperationProgressManager _operationProgressManager;
+  private readonly ILogger<NavisworksSendBinding> _logger;
+  private readonly ISpeckleApplication _speckleApplication;
+  private readonly ISdkActivityFactory _activityFactory;
+  private readonly INavisworksConversionSettingsFactory _conversionSettingsFactory;
+  private readonly ToSpeckleSettingsManagerNavisworks _toSpeckleSettingsManagerNavisworks;
+  private readonly IElementSelectionService _selectionService;
+
+  public NavisworksSendBinding(
+    DocumentModelStore store,
+    IBrowserBridge parent,
+    IEnumerable<ISendFilter> sendFilters,
+    IServiceProvider serviceProvider,
+    CancellationManager cancellationManager,
+    IOperationProgressManager operationProgressManager,
+    ILogger<NavisworksSendBinding> logger,
+    ISpeckleApplication speckleApplication,
+    ISdkActivityFactory activityFactory,
+    INavisworksConversionSettingsFactory conversionSettingsFactory,
+    ToSpeckleSettingsManagerNavisworks toSpeckleSettingsManagerNavisworks,
+    IElementSelectionService selectionService
+  )
+  {
+    Parent = parent;
+    Commands = new SendBindingUICommands(parent);
+    _store = store;
+    _serviceProvider = serviceProvider;
+    _sendFilters = sendFilters.ToList();
+    _cancellationManager = cancellationManager;
+    _operationProgressManager = operationProgressManager;
+    _logger = logger;
+    _speckleApplication = speckleApplication;
+    _activityFactory = activityFactory;
+    _conversionSettingsFactory = conversionSettingsFactory;
+    _toSpeckleSettingsManagerNavisworks = toSpeckleSettingsManagerNavisworks;
+    _selectionService = selectionService;
+    SubscribeToNavisworksEvents();
+  }
+
+  private static void SubscribeToNavisworksEvents() { }
+
+  public List<ISendFilter> GetSendFilters() => _sendFilters;
+
+  public List<ICardSetting> GetSendSettings() =>
+    [
+      new VisualRepresentationSetting(RepresentationMode.Active),
+      new OriginModeSetting(OriginMode.ModelOrigin),
+      new IncludeInternalPropertiesSetting(false),
+      new ConvertHiddenElementsSetting(false),
+    ];
+
+  public async Task Send(string modelCardId)
+  {
+    using var activity = _activityFactory.Start();
+    try
+    {
+      await Parent
+        .RunOnMainThreadAsync(async () =>
+        {
+          var modelCard = GetModelCard(modelCardId);
+
+          using var scope = _serviceProvider.CreateScope();
+
+          InitializeConverterSettings(scope, modelCard);
+
+          CancellationToken token = _cancellationManager.InitCancellationTokenSource(modelCardId);
+
+          var navisworksModelItems = GetNavisworksModelItems(modelCard);
+
+          var sendResult = await ExecuteSendOperation(scope, modelCard, navisworksModelItems, token)
+            .ConfigureAwait(false);
+
+          await Commands
+            .SetModelSendResult(modelCardId, sendResult.RootObjId, sendResult.ConversionResults)
+            .ConfigureAwait(false);
+        })
+        .ConfigureAwait(false);
+    }
+    catch (OperationCanceledException)
+    {
+      // SWALLOW -> UI handles it immediately, so we do not need to handle anything for now!
+      // Idea for later -> when cancel called, create promise from UI to solve it later with this catch block.
+      // So have 3 state on UI -> Cancellation clicked -> Cancelling -> Cancelled
+    }
+    catch (Exception ex) when (!ex.IsFatal()) // UX reasons - we will report operation exceptions as model card error. We may change this later when we have more exception documentation
+    {
+      _logger.LogModelCardHandledError(ex);
+      await Commands.SetModelError(modelCardId, ex).ConfigureAwait(false);
+    }
+  }
+
+  private SenderModelCard GetModelCard(string modelCardId) =>
+    _store.GetModelById(modelCardId) is not SenderModelCard modelCard
+      ? throw new InvalidOperationException("No publish model card was found.")
+      : modelCard;
+
+  private void InitializeConverterSettings(IServiceScope scope, SenderModelCard modelCard) =>
+    scope
+      .ServiceProvider.GetRequiredService<IConverterSettingsStore<NavisworksConversionSettings>>()
+      .Initialize(
+        _conversionSettingsFactory.Create(
+          originMode: _toSpeckleSettingsManagerNavisworks.GetOriginMode(modelCard),
+          visualRepresentationMode: _toSpeckleSettingsManagerNavisworks.GetVisualRepresentationMode(modelCard),
+          convertHiddenElements: _toSpeckleSettingsManagerNavisworks.GetConvertHiddenElements(modelCard),
+          includeInternalProperties: _toSpeckleSettingsManagerNavisworks.GetIncludeInternalProperties(modelCard)
+        )
+      );
+
+  private List<NAV.ModelItem> GetNavisworksModelItems(SenderModelCard modelCard)
+  {
+    var selectedPaths = modelCard.SendFilter.NotNull().RefreshObjectIds();
+    if (selectedPaths.Count == 0)
+    {
+      throw new SpeckleSendFilterException("No objects were found to convert. Please update your publish filter!");
+    }
+
+    var modelItems = modelCard
+      .SendFilter.NotNull()
+      .RefreshObjectIds()
+      .Select(_selectionService.GetModelItemFromPath)
+      .SelectMany(_selectionService.GetGeometryNodes)
+      .Where(_selectionService.IsVisible)
+      .ToList();
+
+    return modelItems.Count == 0
+      ? throw new SpeckleSendFilterException("No objects were found to convert. Please update your publish filter!")
+      : modelItems;
+  }
+
+  private async Task<SendOperationResult> ExecuteSendOperation(
+    IServiceScope scope,
+    SenderModelCard modelCard,
+    List<NAV.ModelItem> navisworksModelItems,
+    CancellationToken token
+  ) =>
+    await scope
+      .ServiceProvider.GetRequiredService<SendOperation<NAV.ModelItem>>()
+      .Execute(
+        navisworksModelItems,
+        modelCard.GetSendInfo(_speckleApplication.Slug),
+        _operationProgressManager.CreateOperationProgressEventHandler(Parent, modelCard.ModelCardId!, token),
+        token
+      )
+      .ConfigureAwait(false);
+
+  public void CancelSend(string modelCardId) => _cancellationManager.CancelOperation(modelCardId);
+
+  /// <summary>
+  /// Cancels all outstanding send operations for the current document.
+  /// This method is called when the active document changes, to ensure
+  /// that any in-progress send operations are properly canceled before
+  /// the new document is loaded.
+  /// </summary>
+  public void CancelAllSendOperations()
+  {
+    foreach (var modelCardId in _store.GetSenders().Select(m => m.ModelCardId))
+    {
+      CancelSend(modelCardId ?? string.Empty);
+    }
+  }
+}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/DependencyInjection/NavisworksConnectorServiceRegistration.cs

@@ -0,0 +1,72 @@
+using Microsoft.Extensions.DependencyInjection;
+using Speckle.Connector.Navisworks.Bindings;
+using Speckle.Connector.Navisworks.HostApp;
+using Speckle.Connector.Navisworks.Operations.Send;
+using Speckle.Connector.Navisworks.Operations.Send.Filters;
+using Speckle.Connector.Navisworks.Operations.Send.Settings;
+using Speckle.Connector.Navisworks.Services;
+using Speckle.Connectors.Common;
+using Speckle.Connectors.Common.Builders;
+using Speckle.Connectors.Common.Cancellation;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.DUI;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Connectors.DUI.Models.Card.SendFilter;
+using Speckle.Connectors.DUI.WebView;
+using Speckle.Converter.Navisworks.Settings;
+using Speckle.Converters.Common;
+using Speckle.Sdk.Models.GraphTraversal;
+
+namespace Speckle.Connector.Navisworks.DependencyInjection;
+
+public static class NavisworksConnectorServiceRegistration
+{
+  public static void AddNavisworks(this IServiceCollection serviceCollection)
+  {
+    // Register Core functionality
+    serviceCollection.AddConnectorUtils();
+    serviceCollection.AddDUI<NavisworksDocumentModelStore>();
+    serviceCollection.AddDUIView();
+
+    // Register bindings
+    serviceCollection.AddSingleton<IBinding, TestBinding>();
+    serviceCollection.AddSingleton<IBinding, ConfigBinding>();
+    serviceCollection.AddSingleton<IBinding, AccountBinding>();
+    serviceCollection.AddSingleton<IBinding, NavisworksSelectionBinding>();
+    serviceCollection.AddSingleton<IBinding, NavisworksSendBinding>();
+
+    // Register Navisworks specific binding
+    serviceCollection.AddSingleton<IBinding>(sp => sp.GetRequiredService<IBasicConnectorBinding>());
+    serviceCollection.AddSingleton<IBasicConnectorBinding, NavisworksBasicConnectorBinding>();
+    serviceCollection.AddSingleton<INavisworksConversionSettingsFactory, NavisworksConversionSettingsFactory>();
+
+    // Conversion settings
+    serviceCollection.AddSingleton<ToSpeckleSettingsManagerNavisworks>();
+    serviceCollection.AddScoped<
+      IConverterSettingsStore<NavisworksConversionSettings>,
+      ConverterSettingsStore<NavisworksConversionSettings>
+    >();
+
+    serviceCollection.AddScoped<NavisworksMaterialUnpacker>();
+
+    // Sending operations
+    serviceCollection.AddScoped<IRootObjectBuilder<NAV.ModelItem>, NavisworksRootObjectBuilder>();
+    serviceCollection.AddScoped<SendOperation<NAV.ModelItem>>();
+    serviceCollection.AddSingleton(DefaultTraversal.CreateTraversalFunc());
+    serviceCollection.AddSingleton<IOperationProgressManager, OperationProgressManager>();
+
+    // Register Intercom/interop
+    serviceCollection.RegisterTopLevelExceptionHandler();
+    serviceCollection.AddTransient<CancellationManager>();
+    serviceCollection.AddSingleton<IAppIdleManager, NavisworksIdleManager>();
+    serviceCollection.AddSingleton<NavisworksDocumentModelStore>();
+    serviceCollection.AddSingleton<DocumentModelStore>(sp => sp.GetRequiredService<NavisworksDocumentModelStore>());
+    serviceCollection.AddSingleton<NavisworksDocumentEvents>();
+
+    // register filters
+    serviceCollection.AddScoped<ISendFilter, NavisworksSelectionFilter>();
+    serviceCollection.AddScoped<IElementSelectionService, ElementSelectionService>();
+  }
+}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Extensions/ElementSelectionService.cs

@@ -0,0 +1,23 @@
+using static Speckle.Converter.Navisworks.Helpers.ElementSelectionHelper;
+
+namespace Speckle.Connector.Navisworks.Services;
+
+public interface IElementSelectionService
+{
+  string GetModelItemPath(NAV.ModelItem modelItem);
+  NAV.ModelItem GetModelItemFromPath(string path);
+  bool IsVisible(NAV.ModelItem modelItem);
+  IReadOnlyCollection<NAV.ModelItem> GetGeometryNodes(NAV.ModelItem modelItem);
+}
+
+public class ElementSelectionService : IElementSelectionService
+{
+  public string GetModelItemPath(NAV.ModelItem modelItem) => ResolveModelItemToIndexPath(modelItem);
+
+  public NAV.ModelItem GetModelItemFromPath(string path) => ResolveIndexPathToModelItem(path);
+
+  public bool IsVisible(NAV.ModelItem modelItem) => IsElementVisible(modelItem);
+
+  public IReadOnlyCollection<NAV.ModelItem> GetGeometryNodes(NAV.ModelItem modelItem) =>
+    ResolveGeometryLeafNodes(modelItem);
+}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/GlobalUsing.cs

@@ -0,0 +1,2 @@
+global using NAV = Autodesk.Navisworks.Api;
+global using NavisworksApp = Autodesk.Navisworks.Api.Application;

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/HostApp/NavisworksDocumentEvents.cs

@@ -0,0 +1,224 @@
+using Microsoft.Extensions.DependencyInjection;
+using Speckle.Connector.Navisworks.Bindings;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+
+namespace Speckle.Connector.Navisworks.HostApp;
+
+/// <summary>
+/// Manages document and model state change notifications for the Navisworks connector.
+/// Coalesces various document events into batched updates to be processed during idle time.
+/// </summary>
+public sealed class NavisworksDocumentEvents : IDisposable
+{
+  private readonly IServiceProvider _serviceProvider;
+  private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
+  private readonly IAppIdleManager _idleManager;
+  private readonly IBrowserBridge _parent;
+  private readonly object _subscriptionLock = new();
+
+  private bool _isSubscribed;
+  private bool _isProcessing;
+  private bool _disposed;
+
+  private int _priorModelCount;
+  private int _finalModelCount;
+
+  /// <summary>
+  /// Initializes a new instance of the <see cref="NavisworksDocumentEvents"/> class and subscribes to document events.
+  /// </summary>
+  /// <param name="serviceProvider">The service provider for dependency injection.</param>
+  /// <param name="topLevelExceptionHandler">Handles exceptions during event processing.</param>
+  /// <param name="idleManager">Manages idle processing.</param>
+  public NavisworksDocumentEvents(
+    IServiceProvider serviceProvider,
+    ITopLevelExceptionHandler topLevelExceptionHandler,
+    IAppIdleManager idleManager,
+    IBrowserBridge parent
+  )
+  {
+    _serviceProvider = serviceProvider;
+    _topLevelExceptionHandler = topLevelExceptionHandler;
+    _idleManager = idleManager;
+
+    _parent = parent;
+
+    SubscribeToDocumentModelEvents();
+  }
+
+  /// <summary>
+  /// Subscribes to document-level events to monitor model state changes.
+  /// </summary>
+  private void SubscribeToDocumentModelEvents()
+  {
+    lock (_subscriptionLock)
+    {
+      if (_isSubscribed)
+      {
+        return;
+      }
+
+      var activeDocument = NavisworksApp.ActiveDocument;
+      if (activeDocument != null)
+      {
+        activeDocument.Models.CollectionChanging += HandleDocumentModelCountChanging;
+        activeDocument.Models.CollectionChanged += HandleDocumentModelCountChanged;
+      }
+
+      _isSubscribed = true;
+    }
+  }
+
+  /// <summary>
+  /// Tracks the current model count before changes occur.
+  /// </summary>
+  private void HandleDocumentModelCountChanging(object sender, EventArgs e) =>
+    _priorModelCount = ((NAV.Document)sender).Models.Count;
+
+  /// <summary>
+  /// Schedules processing of model count changes during idle time.
+  /// </summary>
+  private void HandleDocumentModelCountChanged(object sender, EventArgs e)
+  {
+    _finalModelCount = ((NAV.Document)sender).Models.Count;
+
+    _topLevelExceptionHandler.CatchUnhandled(
+      () =>
+        _idleManager.SubscribeToIdle(
+          nameof(NavisworksDocumentEvents),
+          async () => await ProcessModelStateChangeAsync().ConfigureAwait(false)
+        )
+    );
+  }
+
+  private async Task ProcessModelStateChangeAsync()
+  {
+    if (_isProcessing)
+    {
+      return;
+    }
+
+    _isProcessing = true;
+
+    try
+    {
+      await _parent
+        .RunOnMainThreadAsync(async () =>
+        {
+          var store = _serviceProvider.GetRequiredService<NavisworksDocumentModelStore>();
+          var basicBinding = _serviceProvider.GetRequiredService<IBasicConnectorBinding>();
+          var commands = (basicBinding as NavisworksBasicConnectorBinding)?.Commands;
+
+          switch (_finalModelCount)
+          {
+            case 0 when _priorModelCount > 0:
+              store.ClearAndSave();
+              break;
+            case > 0 when _priorModelCount == 0:
+              store.ReloadState();
+              break;
+          }
+
+          if (commands != null)
+          {
+            await commands.NotifyDocumentChanged().ConfigureAwait(false);
+          }
+        })
+        .ConfigureAwait(false);
+    }
+    finally
+    {
+      _isProcessing = false;
+    }
+  }
+
+  /// <summary>
+  /// Processes model state changes by updating the store and notifying commands.
+  /// </summary>
+  private async Task NotifyValidModelStateChange()
+  {
+    if (_isProcessing)
+    {
+      return;
+    }
+
+    _isProcessing = true;
+
+    try
+    {
+      var store = _serviceProvider.GetRequiredService<NavisworksDocumentModelStore>();
+      var basicBinding = _serviceProvider.GetRequiredService<IBasicConnectorBinding>();
+      var commands = (basicBinding as NavisworksBasicConnectorBinding)?.Commands;
+
+      switch (_finalModelCount)
+      {
+        case 0 when _priorModelCount > 0:
+          // Clear the store when models are removed
+          store.ClearAndSave();
+          break;
+        case > 0 when _priorModelCount == 0:
+          // Load state when models are added
+          store.ReloadState();
+          break;
+      }
+
+      if (commands != null)
+      {
+        await commands.NotifyDocumentChanged().ConfigureAwait(false);
+      }
+    }
+    finally
+    {
+      _isProcessing = false;
+    }
+  }
+
+  private void UnsubscribeFromDocumentModelEvents()
+  {
+    var activeDocument = NavisworksApp.ActiveDocument;
+    if (activeDocument != null)
+    {
+      UnsubscribeFromModelEvents(activeDocument);
+    }
+
+    _isSubscribed = false;
+  }
+
+  private void UnsubscribeFromModelEvents(NAV.Document document)
+  {
+    document.Models.CollectionChanged -= HandleDocumentModelCountChanged;
+    document.Models.CollectionChanging -= HandleDocumentModelCountChanging;
+
+    var sendBinding = _serviceProvider.GetRequiredService<NavisworksSendBinding>();
+    sendBinding.CancelAllSendOperations();
+  }
+
+  /// <summary>
+  /// Disposes of resources and unsubscribes from events.
+  /// </summary>
+  public void Dispose()
+  {
+    Dispose(true);
+    GC.SuppressFinalize(this);
+  }
+
+  private void Dispose(bool disposing)
+  {
+    if (_disposed)
+    {
+      return;
+    }
+
+    if (disposing)
+    {
+      UnsubscribeFromDocumentModelEvents();
+    }
+
+    _disposed = true;
+  }
+
+  ~NavisworksDocumentEvents()
+  {
+    Dispose(false);
+  }
+}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/HostApp/NavisworksDocumentModelStore.cs

@@ -0,0 +1,170 @@
+using System.Data;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Connectors.DUI.Utils;
+
+namespace Speckle.Connector.Navisworks.HostApp;
+
+/// <summary>
+/// Manages persistence of Speckle model states within Navisworks' embedded SQLite database.
+/// Provides mechanisms for reliable read/write operations with retry handling and validation.
+/// </summary>
+public sealed class NavisworksDocumentModelStore : DocumentModelStore
+{
+  private const string TABLE_NAME = "speckle";
+  private const string KEY_NAME = "Speckle_DUI3";
+
+  private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
+
+  public NavisworksDocumentModelStore(
+    IJsonSerializer jsonSerializer,
+    ITopLevelExceptionHandler topLevelExceptionHandler
+  )
+    : base(jsonSerializer)
+  {
+    _topLevelExceptionHandler = topLevelExceptionHandler;
+    LoadState();
+  }
+
+  protected override void HostAppSaveState(string modelCardState)
+  {
+    if (!IsActiveDocumentValid())
+    {
+      return;
+    }
+
+    try
+    {
+      SaveStateToDatabase(modelCardState);
+    }
+    catch (NAV.Data.DatabaseException ex)
+    {
+      _topLevelExceptionHandler.CatchUnhandled(
+        () => throw new InvalidOperationException("Failed to write Speckle state to database", ex)
+      );
+    }
+  }
+
+  /// <summary>
+  /// Public method to reload the state from storage.
+  /// </summary>
+  public void ReloadState() => LoadState();
+
+  protected override void LoadState()
+  {
+    if (!IsActiveDocumentValid())
+    {
+      ClearAndSave();
+      return;
+    }
+
+    try
+    {
+      string serializedState = RetrieveStateFromDatabase();
+      LoadFromString(serializedState);
+    }
+    catch (NAV.Data.DatabaseException ex)
+    {
+      ClearAndSave(); // Clear models on failure to avoid stale data
+      _topLevelExceptionHandler.CatchUnhandled(
+        () => throw new InvalidOperationException("Failed to read Speckle state from database", ex)
+      );
+    }
+  }
+
+  private static bool IsActiveDocumentValid()
+  {
+    try
+    {
+      var activeDoc = NavisworksApp.ActiveDocument;
+      return activeDoc?.Database != null && activeDoc.Models.Count > 0 && activeDoc.ActiveSheet != null;
+    }
+    catch (ArgumentException)
+    {
+      return false; // Handle invalid document access
+    }
+    catch (ObjectDisposedException)
+    {
+      return false; // Handle disposed document state
+    }
+  }
+
+  private static void SaveStateToDatabase(string modelCardState)
+  {
+    var activeDoc = NavisworksApp.ActiveDocument;
+    if (activeDoc?.Database == null)
+    {
+      return;
+    }
+
+    var database = activeDoc.Database;
+
+    using (var transaction = database.BeginTransaction(NAV.Data.DatabaseChangedAction.Reset))
+    {
+      EnsureDatabaseTableExists(transaction);
+    }
+
+    using (var transaction = database.BeginTransaction(NAV.Data.DatabaseChangedAction.Edited))
+    {
+      try
+      {
+        ReplaceStateInDatabase(transaction, modelCardState);
+        transaction.Commit();
+      }
+      catch
+      {
+        transaction.Rollback(); // Roll back transaction on failure
+        throw;
+      }
+    }
+  }
+
+  private static void EnsureDatabaseTableExists(NAV.Data.NavisworksTransaction transaction)
+  {
+    var command = transaction.Connection.CreateCommand();
+    command.CommandText = $"CREATE TABLE IF NOT EXISTS {TABLE_NAME}(key TEXT PRIMARY KEY, value TEXT)";
+    command.ExecuteNonQuery();
+    transaction.Commit(); // Ensure table exists before proceeding
+  }
+
+  private static void ReplaceStateInDatabase(NAV.Data.NavisworksTransaction transaction, string serializedState)
+  {
+    var command = transaction.Connection.CreateCommand();
+
+    command.CommandText = $"DELETE FROM {TABLE_NAME} WHERE key = @key";
+    command.Parameters.AddWithValue("@key", KEY_NAME);
+    command.ExecuteNonQuery();
+
+    command.CommandText = $"INSERT INTO {TABLE_NAME}(key, value) VALUES(@key, @value)";
+    command.Parameters.AddWithValue("@key", KEY_NAME);
+    command.Parameters.AddWithValue("@value", serializedState);
+    command.ExecuteNonQuery();
+  }
+
+  private static string RetrieveStateFromDatabase()
+  {
+    var database = NavisworksApp.ActiveDocument!.Database;
+    using var table = new DataTable();
+
+    using (var transaction = database.BeginTransaction(NAV.Data.DatabaseChangedAction.Reset))
+    {
+      EnsureDatabaseTableExists(transaction);
+    }
+
+    using var dataAdapter = new NAV.Data.NavisworksDataAdapter(
+      $"SELECT value FROM {TABLE_NAME} WHERE key = @key",
+      database.Value
+    );
+    dataAdapter.SelectCommand.Parameters.AddWithValue("@key", KEY_NAME);
+    dataAdapter.Fill(table);
+
+    if (table.Rows.Count <= 0)
+    {
+      return string.Empty; // Return an empty collection if no state is found
+    }
+
+    string stateString = table.Rows[0]["value"] as string ?? string.Empty;
+
+    return stateString;
+  }
+}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/HostApp/NavisworksIdleManager.cs

@@ -0,0 +1,30 @@
+using Speckle.Connectors.DUI.Bridge;
+
+namespace Speckle.Connector.Navisworks.HostApp;
+
+/// <summary>
+/// Manages the scheduling of deferred operations during Navisworks idle periods.
+/// Ensures UI updates and operations are batched efficiently to prevent UI freezing.
+/// </summary>
+public sealed class NavisworksIdleManager : AppIdleManager
+{
+  private readonly IIdleCallManager _idleCallManager;
+
+  /// <summary>
+  /// Initializes a new instance of the NavisworksIdleManager.
+  /// </summary>
+  /// <param name="idleCallManager">The manager responsible for queuing and executing deferred operations.</param>
+  public NavisworksIdleManager(IIdleCallManager idleCallManager)
+    : base(idleCallManager)
+  {
+    _idleCallManager = idleCallManager;
+  }
+
+  /// <summary>
+  /// Subscribes to Navisworks idle events when operations are queued.
+  /// </summary>
+  protected override void AddEvent() => NavisworksApp.Idle += NavisworksAppOnIdle;
+
+  private void NavisworksAppOnIdle(object? sender, EventArgs e) =>
+    _idleCallManager.AppOnIdle(() => NavisworksApp.Idle -= NavisworksAppOnIdle);
+}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/HostApp/NavisworksMaterialUnpacker.cs

@@ -0,0 +1,164 @@
+using Microsoft.Extensions.Logging;
+using Speckle.Connector.Navisworks.Services;
+using Speckle.Converter.Navisworks.Settings;
+using Speckle.Converters.Common;
+using Speckle.Objects.Other;
+using Speckle.Sdk;
+
+namespace Speckle.Connector.Navisworks.HostApp;
+
+public class NavisworksMaterialUnpacker(
+  ILogger<NavisworksMaterialUnpacker> logger,
+  IConverterSettingsStore<NavisworksConversionSettings> converterSettings,
+  IElementSelectionService selectionService
+)
+{
+  // Helper function to select a property based on the representation mode
+  // Selector method for individual properties
+  private static T Select<T>(RepresentationMode mode, T active, T permanent, T original, T defaultValue) =>
+    mode switch
+    {
+      RepresentationMode.Active => active,
+      RepresentationMode.Permanent => permanent,
+      RepresentationMode.Original => original,
+      _ => defaultValue,
+    };
+
+  internal List<RenderMaterialProxy> UnpackRenderMaterial(IReadOnlyList<NAV.ModelItem> navisworksObjects)
+  {
+    if (navisworksObjects == null)
+    {
+      throw new ArgumentNullException(nameof(navisworksObjects));
+    }
+
+    Dictionary<string, RenderMaterialProxy> renderMaterialProxies = [];
+
+    foreach (NAV.ModelItem navisworksObject in navisworksObjects)
+    {
+      try
+      {
+        if (!navisworksObject.HasGeometry)
+        {
+          continue;
+        }
+
+        var navisworksObjectId = selectionService.GetModelItemPath(navisworksObject);
+
+        var geometry = navisworksObject.Geometry;
+
+        // Extract the current visual representation mode
+        var mode = converterSettings.Current.User.VisualRepresentationMode;
+
+        using var defaultColor = new NAV.Color(1.0, 1.0, 1.0);
+
+        // Assign properties using the selector
+        var renderColor = Select(
+          mode,
+          geometry.ActiveColor,
+          geometry.PermanentColor,
+          geometry.OriginalColor,
+          defaultColor
+        );
+
+        var renderTransparency = Select(
+          mode,
+          geometry.ActiveTransparency,
+          geometry.PermanentTransparency,
+          geometry.OriginalTransparency,
+          0.0
+        );
+
+        var renderMaterialId = Select(
+          mode,
+          geometry.ActiveColor.GetHashCode(),
+          geometry.PermanentColor.GetHashCode(),
+          geometry.OriginalColor.GetHashCode(),
+          0
+        );
+
+        var materialName = $"NavisworksMaterial_{Math.Abs(NavisworksColorToColor(renderColor).ToArgb())}";
+
+        // Alternatively the material could be stored on the Item property
+        var itemCategory = navisworksObject.PropertyCategories.FindCategoryByDisplayName("Item");
+        if (itemCategory != null)
+        {
+          var itemProperties = itemCategory.Properties;
+          var itemMaterial = itemProperties.FindPropertyByDisplayName("Material");
+          if (itemMaterial != null && !string.IsNullOrEmpty(itemMaterial.DisplayName))
+          {
+            materialName = itemMaterial.Value.ToDisplayString();
+          }
+        }
+
+        // Or in a Material property
+        var materialPropertyCategory = navisworksObject.PropertyCategories.FindCategoryByDisplayName("Material");
+        if (materialPropertyCategory != null)
+        {
+          var material = materialPropertyCategory.Properties;
+          var name = material.FindPropertyByDisplayName("Name");
+          if (name != null && !string.IsNullOrEmpty(name.DisplayName))
+          {
+            materialName = name.Value.ToDisplayString();
+          }
+        }
+
+        if (renderMaterialProxies.TryGetValue(renderMaterialId.ToString(), out RenderMaterialProxy? value))
+        {
+          value.objects.Add(navisworksObjectId);
+        }
+        else
+        {
+          renderMaterialProxies[renderMaterialId.ToString()] = new RenderMaterialProxy()
+          {
+            // For now, we will just use the color and transparency to create a new material
+            // There is more information that is in the Material object that could be used to create a more accurate material
+            // But is constant regardless of the user settings
+            value = ConvertRenderColorAndTransparencyToSpeckle(
+              materialName,
+              renderTransparency,
+              renderColor,
+              renderMaterialId
+            ),
+            objects = [navisworksObjectId]
+          };
+        }
+      }
+      catch (Exception ex) when (!ex.IsFatal())
+      {
+        logger.LogError(ex, "Failed to unpack render material from Navisworks object");
+      }
+    }
+
+    return renderMaterialProxies.Values.ToList();
+  }
+
+  private static RenderMaterial ConvertRenderColorAndTransparencyToSpeckle(
+    string name,
+    double transparency,
+    NAV.Color navisworksColor,
+    int applicationId
+  )
+  {
+    var color = NavisworksColorToColor(navisworksColor);
+
+    var speckleRenderMaterial = new RenderMaterial()
+    {
+      name = !string.IsNullOrEmpty(name) ? name : $"NavisworksMaterial_{Math.Abs(color.ToArgb())}",
+      opacity = 1 - transparency,
+      metalness = 0,
+      roughness = 1,
+      diffuse = color.ToArgb(),
+      emissive = 0,
+      applicationId = applicationId.ToString()
+    };
+
+    return speckleRenderMaterial;
+  }
+
+  private static System.Drawing.Color NavisworksColorToColor(NAV.Color color) =>
+    System.Drawing.Color.FromArgb(
+      Convert.ToInt32(color.R * 255),
+      Convert.ToInt32(color.G * 255),
+      Convert.ToInt32(color.B * 255)
+    );
+}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Operations/Send/Filters/NavisworksSelectionFilter.cs

@@ -0,0 +1,13 @@
+using Speckle.Connectors.DUI.Models.Card.SendFilter;
+
+namespace Speckle.Connector.Navisworks.Operations.Send.Filters;
+
+public class NavisworksSelectionFilter : DirectSelectionSendFilter
+{
+  public NavisworksSelectionFilter()
+  {
+    IsDefault = true;
+  }
+
+  public override List<string> RefreshObjectIds() => SelectedObjectIds;
+}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Operations/Send/GeometryNodeMerger.cs

@@ -0,0 +1,22 @@
+using Speckle.Connector.Navisworks.Services;
+
+namespace Speckle.Connector.Navisworks.Operations.Send;
+
+/// <summary>
+/// Groups geometry nodes by their parent paths for merging displayValues
+/// </summary>
+public static class GeometryNodeMerger
+{
+  public static Dictionary<string, List<NAV.ModelItem>> GroupSiblingGeometryNodes(IReadOnlyList<NAV.ModelItem> nodes) =>
+    nodes
+      .Where(node => node.HasGeometry && string.IsNullOrEmpty(node.DisplayName)) // Only anonymous geometry nodes
+      .GroupBy(node =>
+      {
+        var service = new ElementSelectionService();
+        var path = service.GetModelItemPath(node);
+        var lastSeparatorIndex = path.LastIndexOf(PathConstants.SEPARATOR);
+        return lastSeparatorIndex == -1 ? path : path[..lastSeparatorIndex];
+      })
+      .Where(group => group.Count() > 1) // Only group multiples
+      .ToDictionary(group => group.Key, group => group.ToList());
+}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Operations/Send/NavisworksRootObjectBuilder.cs

@@ -0,0 +1,182 @@
+using Microsoft.Extensions.Logging;
+using Speckle.Connector.Navisworks.HostApp;
+using Speckle.Connector.Navisworks.Services;
+using Speckle.Connectors.Common.Builders;
+using Speckle.Connectors.Common.Caching;
+using Speckle.Connectors.Common.Conversion;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Converter.Navisworks.Settings;
+using Speckle.Converters.Common;
+using Speckle.Objects.Data;
+using Speckle.Sdk;
+using Speckle.Sdk.Logging;
+using Speckle.Sdk.Models;
+using Speckle.Sdk.Models.Collections;
+using static Speckle.Connector.Navisworks.Operations.Send.GeometryNodeMerger;
+
+namespace Speckle.Connector.Navisworks.Operations.Send;
+
+public class NavisworksRootObjectBuilder(
+  IRootToSpeckleConverter rootToSpeckleConverter,
+  ISendConversionCache sendConversionCache,
+  IConverterSettingsStore<NavisworksConversionSettings> converterSettings,
+  ILogger<NavisworksRootObjectBuilder> logger,
+  ISdkActivityFactory activityFactory,
+  NavisworksMaterialUnpacker materialUnpacker,
+  IElementSelectionService elementSelectionService
+) : IRootObjectBuilder<NAV.ModelItem>
+{
+  internal NavisworksConversionSettings GetCurrentSettings() => converterSettings.Current;
+
+  public Task<RootObjectBuilderResult> Build(
+    IReadOnlyList<NAV.ModelItem> navisworksModelItems,
+    SendInfo sendInfo,
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken = default
+  )
+  {
+    using var activity = activityFactory.Start("Build");
+
+    // 1. Validate input
+    if (!navisworksModelItems.Any())
+    {
+      throw new SpeckleException("No objects to convert");
+    }
+
+    // 2. Initialize root collection
+    var rootObjectCollection = new Collection
+    {
+      name = NavisworksApp.ActiveDocument.Title ?? "Unnamed model",
+      ["units"] = converterSettings.Current.Derived.SpeckleUnits
+    };
+
+    // 3. Convert all model items and store results
+    if (navisworksModelItems == null)
+    {
+      throw new ArgumentNullException(nameof(navisworksModelItems));
+    }
+
+    List<SendConversionResult> results = new(navisworksModelItems.Count);
+    var convertedBases = new Dictionary<string, Base?>();
+    int processedCount = 0;
+    int totalCount = navisworksModelItems.Count;
+
+    if (onOperationProgressed == null || sendInfo == null)
+    {
+      throw new ArgumentNullException(nameof(onOperationProgressed));
+    }
+
+    foreach (var item in navisworksModelItems)
+    {
+      cancellationToken.ThrowIfCancellationRequested();
+      var converted = ConvertNavisworksItem(item, convertedBases, sendInfo);
+      results.Add(converted);
+      processedCount++;
+      onOperationProgressed.Report(new CardProgress("Converting", (double)processedCount / totalCount));
+    }
+
+    if (results.All(x => x.Status == Status.ERROR))
+    {
+      throw new SpeckleException("Failed to convert all objects."); // fail fast instead creating empty commit! It will appear as model card error with red color.
+    }
+
+    // 4. Initialize final elements list and group nodes
+    var finalElements = new List<Base>();
+    var groupedNodes = GroupSiblingGeometryNodes(navisworksModelItems);
+    var processedPaths = new HashSet<string>();
+
+    // 5. Process and merge grouped nodes
+    foreach (var group in groupedNodes)
+    {
+      var siblingBases = new List<Base>();
+      foreach (var itemPath in group.Value.Select(elementSelectionService.GetModelItemPath))
+      {
+        processedPaths.Add(itemPath);
+
+        if (convertedBases.TryGetValue(itemPath, out var convertedBase) && convertedBase != null)
+        {
+          siblingBases.Add(convertedBase);
+        }
+      }
+
+      if (siblingBases.Count == 0)
+      {
+        continue;
+      }
+
+      var navisworksObject = new NavisworksObject
+      {
+        name = elementSelectionService.GetModelItemFromPath(group.Key).DisplayName ?? string.Empty,
+        displayValue = siblingBases.SelectMany(b => b["displayValue"] as List<Base> ?? []).ToList(),
+        properties = siblingBases.First()["properties"] as Dictionary<string, object?> ?? [],
+        units = converterSettings.Current.Derived.SpeckleUnits,
+        applicationId = group.Key
+      };
+
+      finalElements.Add(navisworksObject);
+    }
+
+    // 6. Add remaining non-grouped nodes
+    foreach (var result in results.Where(result => !processedPaths.Contains(result.SourceId)))
+    {
+      if (!convertedBases.TryGetValue(result.SourceId, out var convertedBase) || convertedBase == null)
+      {
+        continue;
+      }
+      // TODO: check if converted base is a collection when full tree sending is implemented
+
+      if (convertedBase is Collection convertedCollection)
+      {
+        finalElements.Add(convertedCollection);
+      }
+      else
+      {
+        var navisworksObject = new NavisworksObject
+        {
+          name = convertedBase["name"] as string ?? string.Empty,
+          displayValue = convertedBase["displayValue"] as List<Base> ?? [],
+          properties = convertedBase["properties"] as Dictionary<string, object?> ?? [],
+          units = converterSettings.Current.Derived.SpeckleUnits,
+          applicationId = convertedBase.applicationId
+        };
+        finalElements.Add(navisworksObject);
+      }
+    }
+
+    using (var _ = activityFactory.Start("UnpackRenderMaterials"))
+    {
+      // 7.  - Unpack the render material proxies
+      rootObjectCollection[ProxyKeys.RENDER_MATERIAL] = materialUnpacker.UnpackRenderMaterial(navisworksModelItems);
+    }
+
+    // 8. Finalize and return
+    rootObjectCollection.elements = finalElements;
+    return Task.FromResult(new RootObjectBuilderResult(rootObjectCollection, results));
+  }
+
+  private SendConversionResult ConvertNavisworksItem(
+    NAV.ModelItem navisworksItem,
+    Dictionary<string, Base?> convertedBases,
+    SendInfo sendInfo
+  )
+  {
+    string applicationId = elementSelectionService.GetModelItemPath(navisworksItem);
+    string sourceType = navisworksItem.GetType().Name;
+
+    try
+    {
+      Base converted = sendConversionCache.TryGetValue(applicationId, sendInfo.ProjectId, out ObjectReference? cached)
+        ? cached
+        : rootToSpeckleConverter.Convert(navisworksItem);
+
+      convertedBases[applicationId] = converted;
+
+      return new SendConversionResult(Status.SUCCESS, applicationId, sourceType, converted);
+    }
+    catch (Exception ex) when (!ex.IsFatal())
+    {
+      logger.LogError(ex, "Failed to convert model item {id}", applicationId);
+      return new SendConversionResult(Status.ERROR, applicationId, "ModelItem", null, ex);
+    }
+  }
+}

Connectors/Navisworks/Speckle.Connectors.NavisworksShared/Operations/Send/Settings/ConvertHiddenEleementsSetting.cs

@@ -0,0 +1,12 @@
+using Speckle.Connectors.DUI.Settings;
+
+namespace Speckle.Connector.Navisworks.Operations.Send.Settings;
+
+public class ConvertHiddenElementsSetting(bool value) : ICardSetting
+{
+  public string? Id { get; set; } = "convertHiddenElements";
+  public string? Title { get; set; } = "Convert Hidden Elements";
+  public string? Type { get; set; } = "boolean";
+  public List<string>? Enum { get; set; }
+  public object? Value { get; set; } = value;
+}