diff --git a/MatterControlLib/ApplicationView/ApplicationController.cs b/MatterControlLib/ApplicationView/ApplicationController.cs
index 8f4ec5f3b..0854a68e2 100644
--- a/MatterControlLib/ApplicationView/ApplicationController.cs
+++ b/MatterControlLib/ApplicationView/ApplicationController.cs
@@ -1179,23 +1179,6 @@ namespace MatterHackers.MatterControl
 					IconCollector = (theme) => AggContext.StaticData.LoadIcon(Path.Combine("ViewTransformControls", "rotate.png"), 16, 16, theme.InvertIcons)
 				});
 
-			this.Graph.RegisterOperation(
-				new NodeOperation()
-				{
-					OperationID = "Visibility Control",
-					Title = "Visiability Control".Localize(),
-					MappedTypes = new List<Type> { typeof(IObject3D) },
-					ResultType = typeof(ChildVisabilityObject3D),
-					Operation = (sceneItem, scene) =>
-					{
-						var visibility = new ChildVisabilityObject3D();
-						visibility.AddSelectionAsChildren(scene, sceneItem);
-
-						return Task.CompletedTask;
-					},
-					IconCollector = (theme) => AggContext.StaticData.LoadIcon(Path.Combine("ViewTransformControls", "rotate.png"), 16, 16, theme.InvertIcons)
-				});
-
 			this.Graph.RegisterOperation(
 				new NodeOperation()
 				{
diff --git a/MatterControlLib/DesignTools/Operations/ChildVisabilityObject3D.cs b/MatterControlLib/DesignTools/Operations/ChildVisabilityObject3D.cs
deleted file mode 100644
index ea1c5cdde..000000000
--- a/MatterControlLib/DesignTools/Operations/ChildVisabilityObject3D.cs
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
-Copyright (c) 2018, Lars Brubaker, John Lewin
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
-1. Redistributions of source code must retain the above copyright notice, this
-   list of conditions and the following disclaimer.
-2. Redistributions in binary form must reproduce the above copyright notice,
-   this list of conditions and the following disclaimer in the documentation
-   and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-The views and conclusions contained in the software and documentation are those
-of the authors and should not be interpreted as representing official policies,
-either expressed or implied, of the FreeBSD Project.
-*/
-
-using System.ComponentModel;
-using System.Linq;
-using System.Threading.Tasks;
-using MatterHackers.DataConverters3D;
-
-namespace MatterHackers.MatterControl.DesignTools.Operations
-{
-	public class ChildVisabilityObject3D : SelectedChildContainer
-	{
-		private SelectedChildren _childToSetVisabilityOn = new SelectedChildren();
-
-		public ChildVisabilityObject3D()
-		{
-			Name = "Set Visability";
-		}
-
-		[ShowAsList]
-		[DisplayName("Child")]
-		public override SelectedChildren SelectedChild
-		{
-			get
-			{
-				if (Children.Count > 0)
-				{
-					if (_childToSetVisabilityOn.Count != 1)
-					{
-						_childToSetVisabilityOn.Clear();
-						_childToSetVisabilityOn.Add(Children.First().ID);
-					}
-
-					if (!this.Children.Any(c => c.ID == _childToSetVisabilityOn[0]))
-					{
-						// we don't have an id of any of our current children
-						_childToSetVisabilityOn.Clear();
-						_childToSetVisabilityOn.Add(Children.First().ID);
-					}
-				}
-				else
-				{
-					_childToSetVisabilityOn.Clear();
-				}
-
-				return _childToSetVisabilityOn;
-			}
-			set => _childToSetVisabilityOn = value;
-		}
-
-		[DisplayName("Visible")]
-		public bool ChildVisibility { get; set; } = true;
-
-		public override async void OnInvalidate(InvalidateArgs invalidateType)
-		{
-			if (invalidateType.InvalidateType.HasFlag(InvalidateType.Children)
-				&& invalidateType.Source != this
-				&& !RebuildLocked)
-			{
-				await Rebuild();
-			}
-			else if (invalidateType.InvalidateType.HasFlag(InvalidateType.Properties)
-				&& invalidateType.Source == this)
-			{
-				await Rebuild();
-			}
-			else
-			{
-				// and also always pass back the actual type
-				base.OnInvalidate(invalidateType);
-			}
-		}
-
-		public override Task Rebuild()
-		{
-			this.DebugDepth("Rebuild");
-
-			using (this.RebuildLock())
-			{
-				var childToSetVisabilityOn = this.Children.Where(c => c.ID == SelectedChild[0]).FirstOrDefault();
-				childToSetVisabilityOn.Visible = ChildVisibility;
-			}
-
-			Invalidate(InvalidateType.Children);
-			return Task.CompletedTask;
-		}
-	}
-}
\ No newline at end of file
diff --git a/MatterControlLib/SlicerConfiguration/UIFields/SurfacedEditorPage.cs b/MatterControlLib/SlicerConfiguration/UIFields/SurfacedEditorPage.cs
index 2f3ca278a..cd314a0ca 100644
--- a/MatterControlLib/SlicerConfiguration/UIFields/SurfacedEditorPage.cs
+++ b/MatterControlLib/SlicerConfiguration/UIFields/SurfacedEditorPage.cs
@@ -28,6 +28,7 @@ either expressed or implied, of the FreeBSD Project.
 */
 
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using MatterHackers.Agg;
 using MatterHackers.Agg.UI;
@@ -109,7 +110,9 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 
 			treeView.ScrollArea.CloseAllChildren();
 
-			var rootNode = Object3DTreeBuilder.BuildTree(selectedItem, null, theme);
+			var keyValues = new Dictionary<IObject3D, TreeNode>();
+	
+			var rootNode = Object3DTreeBuilder.BuildTree(selectedItem, keyValues, theme);
 			treeView.AddChild(rootNode);
 			rootNode.TreeView = treeView;