diff --git a/MatterControlLib/DesignTools/Operations/OperationSourceObject3D.cs b/MatterControlLib/DesignTools/Operations/OperationSourceObject3D.cs
index f2375e9a4..e2b2d5ed4 100644
--- a/MatterControlLib/DesignTools/Operations/OperationSourceObject3D.cs
+++ b/MatterControlLib/DesignTools/Operations/OperationSourceObject3D.cs
@@ -100,10 +100,7 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 				if (newChildren.Count > 1)
 				{
 					// wrap the children in an object so they remain a group
-					var group = new Object3D()
-					{
-						Name = this.Name + " - " + "Flattened".Localize()
-					};
+					var group = new Object3D();
 					group.Children.Modify((groupList) =>
 					{
 						groupList.AddRange(newChildren);
@@ -113,6 +110,9 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 					newChildren.Add(group);
 				}
 
+				// add flatten to the name to show what happened
+				newChildren[0].Name = this.Name + " - " + "Flattened".Localize();
+
 				// and replace us with the children
 				var replaceCommand = new ReplaceCommand(new[] { this }, newChildren);
 				if (undoBuffer != null)
diff --git a/MatterControlLib/PartPreviewWindow/View3D/Actions/CombineObject3D.cs b/MatterControlLib/PartPreviewWindow/View3D/Actions/CombineObject3D.cs
index fa85bd4c1..b361b6501 100644
--- a/MatterControlLib/PartPreviewWindow/View3D/Actions/CombineObject3D.cs
+++ b/MatterControlLib/PartPreviewWindow/View3D/Actions/CombineObject3D.cs
@@ -247,7 +247,7 @@ namespace MatterHackers.MatterControl.PartPreviewWindow.View3D
 					{
 						Mesh = resultMesh
 					};
-					resultsItem.CopyProperties(first, Object3DPropertyFlags.All);
+					resultsItem.CopyProperties(first, Object3DPropertyFlags.All & (~Object3DPropertyFlags.Matrix));
 					this.Children.Add(resultsItem);
 
 					SourceContainer.Visible = false;