diff --git a/SlicerConfiguration/SlicingQueue.cs b/SlicerConfiguration/SlicingQueue.cs
index d69e4d5e6..39b8f3f4c 100644
--- a/SlicerConfiguration/SlicingQueue.cs
+++ b/SlicerConfiguration/SlicingQueue.cs
@@ -161,23 +161,37 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 						{
 							extruderMeshGroups.Add(new MeshGroup());
 						}
+
+						// and add one more extruder mesh group for user generated support (if exists)
+						extruderMeshGroups.Add(new MeshGroup());
+
 						int maxExtruderIndex = 0;
 						foreach (MeshGroup meshGroup in meshGroups)
 						{
 							foreach (Mesh mesh in meshGroup.Meshes)
 							{
 								MeshPrintOutputSettings material = meshPrintOutputSettings[mesh];
-								int extruderIndex = Math.Max(0, material.ExtruderIndex);
-								maxExtruderIndex = Math.Max(maxExtruderIndex, extruderIndex);
-								if (extruderIndex >= extruderCount)
+								switch(material.PrintOutputTypes)
 								{
-									extrudersUsed[0] = true;
-									extruderMeshGroups[0].Meshes.Add(mesh);
-								}
-								else
-								{
-									extrudersUsed[extruderIndex] = true;
-									extruderMeshGroups[extruderIndex].Meshes.Add(mesh);
+									case PrintOutputTypes.Solid:
+										int extruderIndex = Math.Max(0, material.ExtruderIndex);
+										maxExtruderIndex = Math.Max(maxExtruderIndex, extruderIndex);
+										if (extruderIndex >= extruderCount)
+										{
+											extrudersUsed[0] = true;
+											extruderMeshGroups[0].Meshes.Add(mesh);
+										}
+										else
+										{
+											extrudersUsed[extruderIndex] = true;
+											extruderMeshGroups[extruderIndex].Meshes.Add(mesh);
+										}
+										break;
+
+									case PrintOutputTypes.Support:
+										// add it to the group reserved for user support
+										extruderMeshGroups[extruderCount].Meshes.Add(mesh);
+										break;
 								}
 							}
 						}
@@ -187,15 +201,6 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 						for (int extruderIndex = 0; extruderIndex < extruderMeshGroups.Count; extruderIndex++)
 						{
 							MeshGroup meshGroup = extruderMeshGroups[extruderIndex];
-							List<int> materialsToInclude = new List<int>();
-							materialsToInclude.Add(extruderIndex);
-							if (extruderIndex == 0)
-							{
-								for (int j = extruderCount + 1; j < maxExtruderIndex + 2; j++)
-								{
-									materialsToInclude.Add(j);
-								}
-							}
 
 							int meshCount = meshGroup.Meshes.Count;
 							if (meshCount > 0)
@@ -219,10 +224,9 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 										}
 									}
 									int meshExtruderIndex = meshPrintOutputSettings[mesh].ExtruderIndex;
-									if (materialsToInclude.Contains(meshExtruderIndex))
-									{
-										extruderFilesToSlice.Add(SaveAndGetFilePathForMesh(mesh));
-									}
+
+									extruderFilesToSlice.Add(SaveAndGetFilePathForMesh(mesh));
+
 									savedStlCount++;
 								}
 
@@ -232,7 +236,7 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 									mergeRules += ")";
 								}
 							}
-							else // this extruder has no meshes
+							else if(extruderIndex <= maxExtruderIndex) // this extruder has no meshes
 							{
 								// check if there are any more meshes after this extruder that will be added
 								int otherMeshCounts = 0;
@@ -251,6 +255,13 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 							}
 						}
 
+						// if we added user generated support 
+						if(extruderMeshGroups[extruderCount].Meshes.Count > 0)
+						{
+							// add a flag to the merge rules to let us know there was support
+							mergeRules += "S";
+						}
+
 						return extruderFilesToSlice.ToArray();
 					}
 					return new string[] { "" };
diff --git a/Submodules/MatterSlice b/Submodules/MatterSlice
index 242e18e4d..0c0e30189 160000
--- a/Submodules/MatterSlice
+++ b/Submodules/MatterSlice
@@ -1 +1 @@
-Subproject commit 242e18e4df214f9452f6dc48cf68a54c3b1bad15
+Subproject commit 0c0e30189351ca5a4fe06e18f079fba8579b31f1
diff --git a/Submodules/agg-sharp b/Submodules/agg-sharp
index 79948685b..a0cb00c23 160000
--- a/Submodules/agg-sharp
+++ b/Submodules/agg-sharp
@@ -1 +1 @@
-Subproject commit 79948685bab9d1c7234da59f35054b2b1637f5d7
+Subproject commit a0cb00c23cb5b48018d2a76329ed0e2e60c0c463
diff --git a/TextCreator/CardHolderTool/CardHolder.cs b/TextCreator/CardHolderTool/CardHolder.cs
index 4cb859332..00cf6920a 100644
--- a/TextCreator/CardHolderTool/CardHolder.cs
+++ b/TextCreator/CardHolderTool/CardHolder.cs
@@ -134,7 +134,7 @@ namespace MatterHackers.MatterControl.SimplePartScripting
 			Mesh = Create();
 		}
 
-		public override MatterHackers.PolygonMesh.Mesh Create()
+		public override PolygonMesh.Mesh Create()
 		{
 			CsgObject boxCombine = new Box(10, 10, 10);
 			boxCombine -= new Translate(new Box(10, 10, 10), XOffset, -3, 2);
@@ -144,22 +144,25 @@ namespace MatterHackers.MatterControl.SimplePartScripting
 	
 	public class CardHolder : MatterCadObject3D, IMappingType
 	{
-		// these are the public variables that would be edited
-		public string Name { get; set; } = "Name";
+		public string NameToWrite { get; set; }
+		public CardHolder()
+		{
+			Mesh = Create();
+		}
 
-		public MatterHackers.PolygonMesh.Mesh Create()
+		public override PolygonMesh.Mesh Create()
 		{
 			CsgObject plainCardHolder = new MeshContainer("PlainBusinessCardHolder.stl");
 
 			TypeFace typeFace = TypeFace.LoadSVG("Viking_n.svg");
 
-			TypeFacePrinter letterPrinter = new TypeFacePrinter(Name, new StyledTypeFace(typeFace, 12));
-			MatterHackers.PolygonMesh.Mesh textMesh = VertexSourceToMesh.Extrude(letterPrinter, 5);
+			var letterPrinter = new TypeFacePrinter(NameToWrite, new StyledTypeFace(typeFace, 12));
+			PolygonMesh.Mesh textMesh = VertexSourceToMesh.Extrude(letterPrinter, 5);
 
 			CsgObject nameMesh = new MeshContainer(textMesh);
 
 			AxisAlignedBoundingBox textBounds = textMesh.GetAxisAlignedBoundingBox();
-			Vector2 textArea = new Vector2(85, 20);
+			var textArea = new Vector2(85, 20);
 
 			nameMesh = new Box(textArea.x, textArea.y, 5);