diff --git a/MatterControlLib/PartPreviewWindow/View3D/Actions/CombineObject3D_2.cs b/MatterControlLib/PartPreviewWindow/View3D/Actions/CombineObject3D_2.cs
index 23b73f421..60238c16d 100644
--- a/MatterControlLib/PartPreviewWindow/View3D/Actions/CombineObject3D_2.cs
+++ b/MatterControlLib/PartPreviewWindow/View3D/Actions/CombineObject3D_2.cs
@@ -129,10 +129,10 @@ namespace MatterHackers.MatterControl.PartPreviewWindow.View3D
             SourceContainer.Visible = true;
             RemoveAllButSource();
 
-            var holes = SourceContainer.VisibleMeshes().Where(m => m.WorldOutputType(this) == PrintOutputTypes.Hole);
+            var holes = SourceContainer.VisibleMeshes().Where(m => m.OutputType == PrintOutputTypes.Hole);
 
             Mesh resultsMesh = null;
-            var participants = SourceContainer.VisibleMeshes().Where(m => m.WorldOutputType(this) != PrintOutputTypes.Hole);
+            var participants = SourceContainer.VisibleMeshes().Where(m => m.OutputType != PrintOutputTypes.Hole);
             if (participants.Count() == 0)
             {
                 if (holes.Count() == 0)
diff --git a/Submodules/agg-sharp b/Submodules/agg-sharp
index 9bab0f3b9..65fbb95b6 160000
--- a/Submodules/agg-sharp
+++ b/Submodules/agg-sharp
@@ -1 +1 @@
-Subproject commit 9bab0f3b95279a55dd575a126252e1ad7eb8562d
+Subproject commit 65fbb95b6db2b3c219fee177c7c45b22b36b9f24