Getting Rebuild working for Object3D

DesignTools/Operations/Align3D.cs

@@ -326,19 +326,18 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 			return positionToAlignTo + extraOffset;
 		}
 
-		bool inRebuild;
 		protected override void OnInvalidate()
 		{
-			if (!inRebuild)
+			if (!Rebuilding)
 			{
 				Rebuild(null);
 			}
 			base.OnInvalidate();
 		}
 
-		public void Rebuild(UndoBuffer undoBuffer)
+		public override void Rebuild(UndoBuffer undoBuffer)
 		{
-			inRebuild = true;
+			Rebuilding = true;
 			var aabb = this.GetAxisAlignedBoundingBox();
 
 			// TODO: check if the has code for the children
@@ -435,7 +434,9 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 				}
 			});
 
-			inRebuild = false;
+			Rebuilding = false;
+
+			base.Rebuild(undoBuffer);
 		}
 
 		public override void Remove(UndoBuffer undoBuffer)

DesignTools/Operations/CurveObject3D.cs

@@ -52,6 +52,7 @@ namespace MatterHackers.MatterControl.DesignTools
 
 		public override void Rebuild(UndoBuffer undoBuffer)
 		{
+			Rebuilding = true;
 			ResetMeshWrappers();
 
 			var meshWrapper = this.Descendants()
@@ -122,6 +123,7 @@ namespace MatterHackers.MatterControl.DesignTools
 				}
 			}
 
+			Rebuilding = false;
 			// Let the base know it needs to rebuild
 			base.Rebuild(undoBuffer);
 		}

DesignTools/Operations/FitToBounds3D.cs

@@ -131,8 +131,9 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 			return fitToBounds;
 		}
 
-		public void Rebuild(UndoBuffer undoBuffer)
+		public override void Rebuild(UndoBuffer undoBuffer)
 		{
+			Rebuilding = true;
 			var aabb = this.GetAxisAlignedBoundingBox();
 
 			AdjustChildSize(null, null);
@@ -142,6 +143,9 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 				// If the part was already created and at a height, maintain the height.
 				PlatingHelper.PlaceMeshAtHeight(this, aabb.minXYZ.Z);
 			}
+
+			Rebuilding = false;
+			base.Rebuild(undoBuffer);
 		}
 
 		private void AdjustChildSize(object sender, EventArgs e)

DesignTools/Operations/PinchObject3D.cs

@@ -47,8 +47,11 @@ namespace MatterHackers.MatterControl.DesignTools
 		{
 		}
 
-		public void Rebuild(UndoBuffer undoBuffer)
+		public override void Rebuild(UndoBuffer undoBuffer)
 		{
+			Rebuilding = true;
+			ResetMeshWrappers();
+
 			var meshWrapper = this.Descendants()
 				.Where((obj) => obj.OwnerID == this.ID).ToList();
 
@@ -107,6 +110,9 @@ namespace MatterHackers.MatterControl.DesignTools
 
 				transformedMesh.MarkAsChanged();
 				transformedMesh.CalculateNormals();
+
+				Rebuilding = false;
+				base.Rebuild(undoBuffer);
 			}
 		}
 	}