diff --git a/MatterControlLib/DesignTools/Primitives/CubeObject3D.cs b/MatterControlLib/DesignTools/Primitives/CubeObject3D.cs
index 732aee4eb..7770dfb59 100644
--- a/MatterControlLib/DesignTools/Primitives/CubeObject3D.cs
+++ b/MatterControlLib/DesignTools/Primitives/CubeObject3D.cs
@@ -159,4 +159,22 @@ namespace MatterHackers.MatterControl.DesignTools
 			change.SetRowVisible(nameof(Radius), () => Round);
 		}
 	}
+
+    public class CubeHoleObject3D : CubeObject3D
+    {
+        public override string ThumbnailName => "CubeHole";
+
+        public CubeHoleObject3D()
+        {
+			OutputType = PrintOutputTypes.Hole;
+        }
+
+		public static async Task<CubeHoleObject3D> Create()
+		{
+			var item = new CubeHoleObject3D();
+			await item.Rebuild();
+			return item;
+		}
+
+	}
 }
\ No newline at end of file
diff --git a/MatterControlLib/Library/Providers/MatterControl/PrimitivesContainer.cs b/MatterControlLib/Library/Providers/MatterControl/PrimitivesContainer.cs
index a1431d2c2..d3ed518ac 100644
--- a/MatterControlLib/Library/Providers/MatterControl/PrimitivesContainer.cs
+++ b/MatterControlLib/Library/Providers/MatterControl/PrimitivesContainer.cs
@@ -63,6 +63,10 @@ namespace MatterHackers.MatterControl.Library
 					"Cube".Localize(),
 					async () => await CubeObject3D.Create())
 					{ DateCreated = new DateTime(index++) },
+				new GeneratorItem(
+					"Hole".Localize(),
+					async () => await CubeHoleObject3D.Create())
+					{ DateCreated = new DateTime(index++) },
 				new GeneratorItem(
 					"Pyramid".Localize(),
 					async () => await PyramidObject3D.Create())
diff --git a/StaticData/Images/Thumbnails/7375217172574943763-256x256.png b/StaticData/Images/Thumbnails/7375217172574943763-256x256.png
new file mode 100644
index 000000000..bd2d9b7a1
Binary files /dev/null and b/StaticData/Images/Thumbnails/7375217172574943763-256x256.png differ
diff --git a/StaticData/Images/Thumbnails/9963651946799342786-256x256.png b/StaticData/Images/Thumbnails/9963651946799342786-256x256.png
new file mode 100644
index 000000000..bd2d9b7a1
Binary files /dev/null and b/StaticData/Images/Thumbnails/9963651946799342786-256x256.png differ
diff --git a/Submodules/agg-sharp b/Submodules/agg-sharp
index 6750bc4da..ef5fad208 160000
--- a/Submodules/agg-sharp
+++ b/Submodules/agg-sharp
@@ -1 +1 @@
-Subproject commit 6750bc4daa8c0188b61ebf61bbdeb3ae57b8a998
+Subproject commit ef5fad208c4bf4361ef0de61de013c8b79b2d977