diff --git a/MatterControlLib/ApplicationView/SceneOperations.cs b/MatterControlLib/ApplicationView/SceneOperations.cs
index 51f76359e..7d362a857 100644
--- a/MatterControlLib/ApplicationView/SceneOperations.cs
+++ b/MatterControlLib/ApplicationView/SceneOperations.cs
@@ -443,8 +443,6 @@ namespace MatterHackers.MatterControl
 
 						var itemClone = sceneItem.Clone();
 						revolve.Children.Add(itemClone);
-						revolve.Matrix = itemClone.Matrix;
-						itemClone.Matrix = Matrix4X4.Identity;
 
 						scene.SelectedItem = null;
 						scene.UndoBuffer.AddAndDo(new ReplaceCommand(new[] { sceneItem }, new[] { revolve }));
diff --git a/MatterControlLib/DesignTools/Operations/FindSliceObject3D.cs b/MatterControlLib/DesignTools/Operations/FindSliceObject3D.cs
index b49783bb5..4fc4c3985 100644
--- a/MatterControlLib/DesignTools/Operations/FindSliceObject3D.cs
+++ b/MatterControlLib/DesignTools/Operations/FindSliceObject3D.cs
@@ -29,7 +29,6 @@ either expressed or implied, of the FreeBSD Project.
 
 using System.Collections.Generic;
 using System.Threading.Tasks;
-using MatterControlLib.DesignTools.Operations.Path;
 using MatterHackers.Agg.UI;
 using MatterHackers.Agg.VertexSource;
 using MatterHackers.DataConverters3D;
diff --git a/MatterControlLib/DesignTools/Operations/Path/RevolveObject3D.cs b/MatterControlLib/DesignTools/Operations/Path/RevolveObject3D.cs
index 4b7fe7167..7f0652328 100644
--- a/MatterControlLib/DesignTools/Operations/Path/RevolveObject3D.cs
+++ b/MatterControlLib/DesignTools/Operations/Path/RevolveObject3D.cs
@@ -136,7 +136,9 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 		public void DrawEditor(Object3DControlsLayer layer, DrawEventArgs e)
 		{
 			var path = this.CombinedVisibleChildrenPaths();
-			if (path != null)
+			// we only draw the rotation line if we are not rotated
+			if (path != null
+				&& Rotation.Value(this) == 0)
 			{
 				var (start, end) = GetStartEnd(this, path);
 				layer.World.Render3DLine(start, end, Color.Red, true);
@@ -198,6 +200,8 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 					vertexSource = vertexSource.Translate(-pathBounds.Left - axisPosition, 0);
 					Mesh mesh = VertexSourceToMesh.Revolve(vertexSource,
 						sides,
+						// A right hand rule rotation about y would make the part go clockwise into the ground so we need to rotate the other way
+						// Starting at the end and going to the start
 						MathHelper.DegreesToRadians(360 - endingAngle),
 						MathHelper.DegreesToRadians(360 - startingAngle),
 						false);
diff --git a/Submodules/agg-sharp b/Submodules/agg-sharp
index ea29e79df..4a3185d8d 160000
--- a/Submodules/agg-sharp
+++ b/Submodules/agg-sharp
@@ -1 +1 @@
-Subproject commit ea29e79df34dc1ad8bac8f09e4333f49212922db
+Subproject commit 4a3185d8d49855cf6ade9d2bf2ada19e101d731f