diff --git a/ApplicationView/PrinterModels.cs b/ApplicationView/PrinterModels.cs
index 46e619f65..4500473e6 100644
--- a/ApplicationView/PrinterModels.cs
+++ b/ApplicationView/PrinterModels.cs
@@ -660,6 +660,42 @@ namespace MatterHackers.MatterControl
 				}
 			}
 		}
+
+		public double SceneTreeHeight
+		{
+			get
+			{
+				if (double.TryParse(UserSettings.Instance.get(UserSettingsKey.SceneTreeHeight), out double controlHeight))
+				{
+					return Math.Max(controlHeight, 35);
+				}
+
+				return 35;
+			}
+			set
+			{
+				var minimumValue = Math.Max(value, 35);
+				UserSettings.Instance.set(UserSettingsKey.SceneTreeHeight, minimumValue.ToString());
+			}
+		}
+
+		public double SelectedObjectEditorHeight
+		{
+			get
+			{
+				if (double.TryParse(UserSettings.Instance.get(UserSettingsKey.SelectedObjectEditorHeight), out double controlHeight))
+				{
+					return Math.Max(controlHeight, 35);
+				}
+
+				return 120;
+			}
+			set
+			{
+				var minimumValue = Math.Max(value, 35);
+				UserSettings.Instance.set(UserSettingsKey.SelectedObjectEditorHeight, minimumValue.ToString());
+			}
+		}
 	}
 
 	public class PrinterViewState
@@ -768,42 +804,6 @@ namespace MatterHackers.MatterControl
 				UserSettings.Instance.set(UserSettingsKey.SelectedObjectPanelWidth, minimumValue.ToString());
 			}
 		}
-
-		public double SceneTreeHeight
-		{
-			get
-			{
-				if (double.TryParse(UserSettings.Instance.get(UserSettingsKey.SceneTreeHeight), out double controlHeight))
-				{
-					return Math.Max(controlHeight, 35);
-				}
-
-				return 35;
-			}
-			set
-			{
-				var minimumValue = Math.Max(value, 35);
-				UserSettings.Instance.set(UserSettingsKey.SceneTreeHeight, minimumValue.ToString());
-			}
-		}
-
-		public double SelectedObjectEditorHeight
-		{
-			get
-			{
-				if (double.TryParse(UserSettings.Instance.get(UserSettingsKey.SelectedObjectEditorHeight), out double controlHeight))
-				{
-					return Math.Max(controlHeight, 35);
-				}
-
-				return 120;
-			}
-			set
-			{
-				var minimumValue = Math.Max(value, 35);
-				UserSettings.Instance.set(UserSettingsKey.SelectedObjectEditorHeight, minimumValue.ToString());
-			}
-		}
 	}
 
 	public class PrinterConfig
diff --git a/DesignTools/Operations/Object3DExtensions.cs b/DesignTools/Operations/Object3DExtensions.cs
index 2c5baaf33..47dcb0c5e 100644
--- a/DesignTools/Operations/Object3DExtensions.cs
+++ b/DesignTools/Operations/Object3DExtensions.cs
@@ -250,7 +250,7 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 
 			return currentTransform;
 		}
-
+		 
 		public static Vector3 GetCenter(this IObject3D item)
 		{
 			return item.GetAxisAlignedBoundingBox(Matrix4X4.Identity).Center;
diff --git a/PartPreviewWindow/SelectedObjectPanel.cs b/PartPreviewWindow/SelectedObjectPanel.cs
index 3b420e9d2..27a3b21d1 100644
--- a/PartPreviewWindow/SelectedObjectPanel.cs
+++ b/PartPreviewWindow/SelectedObjectPanel.cs
@@ -48,9 +48,8 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 		private IObject3D item = new Object3D();
 
 		private ThemeConfig theme;
+		private BedConfig sceneContext;
 		private View3DWidget view3DWidget;
-		private InteractiveScene scene;
-		private PrinterConfig printer;
 		private SectionWidget editorSection;
 		private TextButton editButton;
 
@@ -58,7 +57,7 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 		private InlineTitleEdit inlineTitleEdit;
 		private BottomResizeContainer editorColumn;
 
-		public SelectedObjectPanel(View3DWidget view3DWidget, InteractiveScene scene, ThemeConfig theme, PrinterConfig printer)
+		public SelectedObjectPanel(View3DWidget view3DWidget, BedConfig sceneContext, ThemeConfig theme)
 			: base(FlowDirection.TopToBottom)
 		{
 			this.HAnchor = HAnchor.Stretch;
@@ -66,8 +65,7 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 			this.Padding = 0;
 			this.view3DWidget = view3DWidget;
 			this.theme = theme;
-			this.scene = scene;
-			this.printer = printer;
+			this.sceneContext = sceneContext;
 
 			this.ContentPanel = new FlowLayoutWidget(FlowDirection.TopToBottom)
 			{
@@ -91,7 +89,7 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 			{
 				HAnchor = HAnchor.Stretch,
 				VAnchor = VAnchor.Absolute,
-				Height = printer.ViewState.SelectedObjectEditorHeight
+				Height = sceneContext.ViewState.SelectedObjectEditorHeight
 			};
 
 			var toolbar = new Toolbar(theme)
@@ -102,6 +100,8 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 			};
 			editorColumn.AddChild(toolbar);
 
+			var scene = sceneContext.Scene;
+
 			editButton = new TextButton("Edit".Localize(), theme)
 			{
 				BackgroundColor = theme.MinimalShade,
@@ -252,11 +252,6 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 
 		public void SetActiveItem(IObject3D selectedItem)
 		{
-			if (!scene.HasSelection)
-			{
-				this.Parent.Visible = false;
-				return;
-			}
 
 			var selectedItemType = selectedItem.GetType();
 
@@ -266,8 +261,6 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 
 			this.item = selectedItem;
 
-			var viewMode = printer?.ViewState.ViewMode;
-
 			HashSet<IObject3DEditor> mappedEditors = ApplicationController.Instance.GetEditorsForType(selectedItemType);
 
 			var activeEditors = new List<(IObject3DEditor, IObject3D, string)>();
@@ -358,7 +351,7 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 							button.EnsureAvailablity();
 							button.Click += (s, e) =>
 							{
-								nodeOperation.Operation(selectedItem, scene).ConfigureAwait(false);
+								nodeOperation.Operation(selectedItem, sceneContext.Scene).ConfigureAwait(false);
 							};
 
 							buttons.Add(button);
@@ -410,7 +403,7 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 
 		public override void OnClosed(ClosedEventArgs e)
 		{
-			printer.ViewState.SelectedObjectEditorHeight = editorColumn.Height;
+			sceneContext.ViewState.SelectedObjectEditorHeight = editorColumn.Height;
 			base.OnClosed(e);
 		}
 	}
diff --git a/PartPreviewWindow/View3D/View3DWidget.cs b/PartPreviewWindow/View3D/View3DWidget.cs
index 2bb6af5a3..3c73cef96 100644
--- a/PartPreviewWindow/View3D/View3DWidget.cs
+++ b/PartPreviewWindow/View3D/View3DWidget.cs
@@ -149,7 +149,7 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 
 			TrackballTumbleWidget.TransformState = TrackBallTransformType.Rotation;
 
-			selectedObjectPanel = new SelectedObjectPanel(this, Scene, theme, printer)
+			selectedObjectPanel = new SelectedObjectPanel(this, sceneContext, theme)
 			{
 				VAnchor = VAnchor.Stretch,
 			};
@@ -187,7 +187,7 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 			{
 				HAnchor = HAnchor.Stretch,
 				VAnchor = VAnchor.Absolute,
-				Height = Printer.ViewState.SceneTreeHeight
+				Height = sceneContext.ViewState.SceneTreeHeight
 			};
 			modelViewSidePanel.AddChild(treeSection);
 
@@ -365,10 +365,7 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 
 		public override void OnClosed(ClosedEventArgs e)
 		{
-			if (Printer != null)
-			{
-				Printer.ViewState.SceneTreeHeight = treeSection.Height;
-			}
+			sceneContext.ViewState.SceneTreeHeight = treeSection.Height;
 
 			viewControls3D.TransformStateChanged -= ViewControls3D_TransformStateChanged;
 			Scene.SelectionChanged -= Scene_SelectionChanged;