diff --git a/MatterControlLib/ApplicationView/Themes/ThemeConfig.cs b/MatterControlLib/ApplicationView/Themes/ThemeConfig.cs
index 53e3a24f8..03307771a 100644
--- a/MatterControlLib/ApplicationView/Themes/ThemeConfig.cs
+++ b/MatterControlLib/ApplicationView/Themes/ThemeConfig.cs
@@ -549,6 +549,7 @@ namespace MatterHackers.MatterControl
 						Name = buttonParams.ButtonName,
 						Enabled = buttonParams.ButtonEnabled,
 						ToolTipText = buttonParams.ButtonTooltip,
+						Padding = new BorderDouble(5, 0, 5, 0)
 					};
 				}
 			}
@@ -578,14 +579,11 @@ namespace MatterHackers.MatterControl
 			};
 
 			menuButton.Name = buttonParams.ButtonName + " Menu SplitButton";
-			if (buttonParams.ButtonText == null)
+			menuButton.BackgroundColor = buttonParams.BackgroundColor;
+			if (menuButton.BackgroundColor == Color.Transparent)
 			{
 				menuButton.BackgroundColor = this.ToolbarButtonBackground;
 			}
-			else
-			{
-				menuButton.BackgroundColor = this.MinimalShade;
-			}
 
 			menuButton.HoverColor = this.ToolbarButtonHover;
 			menuButton.MouseDownColor = this.ToolbarButtonDown;
@@ -768,5 +766,7 @@ namespace MatterHackers.MatterControl
 		public Action<PopupMenu> ExtendPopupMenu { get; set; }
 
 		public string ButtonText { get; set; }
+
+		public Color BackgroundColor { get; set; }
 	}
 }
\ No newline at end of file
diff --git a/MatterControlLib/DesignTools/Obsolete/PinchObject3D.cs b/MatterControlLib/DesignTools/Obsolete/PinchObject3D.cs
index cc8ffb9ba..8fdd446ea 100644
--- a/MatterControlLib/DesignTools/Obsolete/PinchObject3D.cs
+++ b/MatterControlLib/DesignTools/Obsolete/PinchObject3D.cs
@@ -108,7 +108,6 @@ namespace MatterHackers.MatterControl.DesignTools
 						var ratioToApply = PinchRatio;
 
 						var distFromCenter = pos.X - aabb.Center.X;
-						var distanceToPinch = distFromCenter * (1 - PinchRatio);
 						var delta = (aabb.Center.X + distFromCenter * ratioToApply) - pos.X;
 
 						// find out how much to pinch based on y position
diff --git a/MatterControlLib/DesignTools/Operations/Image/ImageToPathObject3D_2.cs b/MatterControlLib/DesignTools/Operations/Image/ImageToPathObject3D_2.cs
index 9b669e2c1..655cd5d04 100644
--- a/MatterControlLib/DesignTools/Operations/Image/ImageToPathObject3D_2.cs
+++ b/MatterControlLib/DesignTools/Operations/Image/ImageToPathObject3D_2.cs
@@ -414,6 +414,7 @@ namespace MatterHackers.MatterControl.DesignTools
 					UiThread.RunOnIdle(() =>
 					{
 						rebuildLock.Dispose();
+						Invalidate(InvalidateType.DisplayValues);
 						Parent?.Invalidate(new InvalidateArgs(this, InvalidateType.Path));
 					});
 
diff --git a/MatterControlLib/DesignTools/Operations/PinchObject3D_3.cs b/MatterControlLib/DesignTools/Operations/PinchObject3D_3.cs
index 03c7806e4..3db90225a 100644
--- a/MatterControlLib/DesignTools/Operations/PinchObject3D_3.cs
+++ b/MatterControlLib/DesignTools/Operations/PinchObject3D_3.cs
@@ -49,7 +49,8 @@ namespace MatterHackers.MatterControl.DesignTools
 		[DisplayName("Back Ratio")]
 		[Description("Describes the percent that the back of the part will be pinched")]
 		[DescriptionImage("https://lh3.googleusercontent.com/CAi26qYHHdneoU0yhaY2bdVU4RJP7PDCjEUrC3i-smstyvm2FC_dteHU16eYyEyK9krCyK3C2TkSpE5YDcAkHBwq40ddaLBQ13yVdQCB")]
-		public double PinchPercent { get; set; } = 50;
+		[Slider(0, 300, Easing.EaseType.Quadratic, snapDistance: 1)]
+		public DoubleOrExpression PinchPercent { get; set; } = 50;
 
 		public override Task Rebuild()
 		{
@@ -73,7 +74,7 @@ namespace MatterHackers.MatterControl.DesignTools
 
 					bool valuesChanged = false;
 
-					PinchPercent = agg_basics.Clamp(PinchPercent, 0, 3, ref valuesChanged);
+					var pinchPercent = PinchPercent.ClampIfNotCalculated(this, 0, 300, ref valuesChanged);
 
 					foreach (var sourceItem in SourceContainer.VisibleMeshes())
 					{
@@ -87,7 +88,7 @@ namespace MatterHackers.MatterControl.DesignTools
 							var pos = originalMesh.Vertices[i];
 							pos = pos.Transform(itemMatrix);
 
-							var ratioToApply = PinchPercent / 100.0;
+							var ratioToApply = pinchPercent / 100.0;
 
 							var distFromCenter = pos.X - aabb.Center.X;
 							var distanceToPinch = distFromCenter * (1 - ratioToApply);
@@ -116,10 +117,7 @@ namespace MatterHackers.MatterControl.DesignTools
 					SourceContainer.Visible = false;
 					rebuildLocks.Dispose();
 
-					if (valuesChanged)
-					{
-						Invalidate(InvalidateType.DisplayValues);
-					}
+					Invalidate(InvalidateType.DisplayValues);
 
 					Invalidate(InvalidateType.Children);
 					return Task.CompletedTask;
diff --git a/MatterControlLib/DesignTools/Primitives/BaseObject3D.cs b/MatterControlLib/DesignTools/Primitives/BaseObject3D.cs
index 43a952a11..e2c38198c 100644
--- a/MatterControlLib/DesignTools/Primitives/BaseObject3D.cs
+++ b/MatterControlLib/DesignTools/Primitives/BaseObject3D.cs
@@ -83,7 +83,7 @@ namespace MatterHackers.MatterControl.DesignTools
 		public DoubleOrExpression CalculationHeight { get; set; } = .1;
 
 		[DisplayName("Expand")]
-		[Slider(1, 100, Easing.EaseType.Quadratic, snapDistance: 1)]
+		[Slider(1, 30, Easing.EaseType.Quadratic, snapDistance: .5)]
 		public DoubleOrExpression BaseSize { get; set; } = 3;
 
 		[Slider(1, 20, Easing.EaseType.Quadratic, snapDistance: .1)]
@@ -257,6 +257,7 @@ namespace MatterHackers.MatterControl.DesignTools
 					UiThread.RunOnIdle(() =>
 					{
 						rebuildLock.Dispose();
+						Invalidate(InvalidateType.DisplayValues);
 						Parent?.Invalidate(new InvalidateArgs(this, InvalidateType.Children));
 					});
 
diff --git a/MatterControlLib/DesignTools/Primitives/TextObject3D.cs b/MatterControlLib/DesignTools/Primitives/TextObject3D.cs
index a646fdd5c..867b58969 100644
--- a/MatterControlLib/DesignTools/Primitives/TextObject3D.cs
+++ b/MatterControlLib/DesignTools/Primitives/TextObject3D.cs
@@ -189,6 +189,7 @@ namespace MatterHackers.MatterControl.DesignTools
 				UiThread.RunOnIdle(() =>
 				{
 					rebuildLock.Dispose();
+					Invalidate(InvalidateType.DisplayValues);
 					Parent?.Invalidate(new InvalidateArgs(this, InvalidateType.Children));
 				});
 			});
diff --git a/MatterControlLib/Library/ContentProviders/MeshContentProvider.cs b/MatterControlLib/Library/ContentProviders/MeshContentProvider.cs
index d93fbe022..7d064b884 100644
--- a/MatterControlLib/Library/ContentProviders/MeshContentProvider.cs
+++ b/MatterControlLib/Library/ContentProviders/MeshContentProvider.cs
@@ -133,7 +133,7 @@ namespace MatterHackers.MatterControl
 
 			string thumbnailId = libraryItem.ID;
 
-			var thumbnail = GetThumbnail(object3D, thumbnailId, width, height);
+			var thumbnail = GenerateThumbnail(object3D, thumbnailId, width, height);
 			if (thumbnail != null)
 			{
 				// Cache content thumbnail
@@ -151,7 +151,7 @@ namespace MatterHackers.MatterControl
 		}
 
 		// Limit to private scope until need returns
-		private ImageBuffer GetThumbnail(IObject3D item, string thumbnailId, int width, int height)
+		private ImageBuffer GenerateThumbnail(IObject3D item, string thumbnailId, int width, int height)
 		{
 			if (item == null)
 			{
diff --git a/MatterControlLib/Library/Widgets/LibraryWidget.cs b/MatterControlLib/Library/Widgets/LibraryWidget.cs
index d27c4d21a..cba7393c0 100644
--- a/MatterControlLib/Library/Widgets/LibraryWidget.cs
+++ b/MatterControlLib/Library/Widgets/LibraryWidget.cs
@@ -1057,12 +1057,17 @@ namespace MatterHackers.MatterControl.PrintLibrary
 			if (mouseEvent.Button == MouseButtons.XButton1)
 			{
 				// user pressed the back button
-				breadCrumbWidget.NavigateBack();
+				NavigateBack();
 			}
 
 			base.OnMouseDown(mouseEvent);
 		}
 
+		public void NavigateBack()
+		{
+			breadCrumbWidget.NavigateBack();
+		}
+
 		public override void OnMouseMove(MouseEventArgs mouseEvent)
 		{
 			if (PositionWithinLocalBounds(mouseEvent.X, mouseEvent.Y)
diff --git a/MatterControlLib/PartPreviewWindow/PopupMenuButton.cs b/MatterControlLib/PartPreviewWindow/PopupMenuButton.cs
index 230dc43dd..e4ffb0258 100644
--- a/MatterControlLib/PartPreviewWindow/PopupMenuButton.cs
+++ b/MatterControlLib/PartPreviewWindow/PopupMenuButton.cs
@@ -60,6 +60,14 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 		{
 		}
 
+		public PopupMenuButton(string text, ImageBuffer imageBuffer, ThemeConfig theme)
+			: this(new TextIconButton(text, imageBuffer, theme)
+			{
+				Padding = new BorderDouble(5, 0, 5, 0),
+			}, theme)
+		{
+		}
+
 		public PopupMenuButton(GuiWidget viewWidget, ThemeConfig theme)
 			: base(viewWidget)
 		{
diff --git a/MatterControlLib/PartPreviewWindow/View3D/DragDropLoadProgress.cs b/MatterControlLib/PartPreviewWindow/View3D/DragDropLoadProgress.cs
index f2016df60..54beb8fb8 100644
--- a/MatterControlLib/PartPreviewWindow/View3D/DragDropLoadProgress.cs
+++ b/MatterControlLib/PartPreviewWindow/View3D/DragDropLoadProgress.cs
@@ -93,6 +93,11 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 
 				e.Graphics2D.PopTransform();
 			}
+
+			if (view3DWidget?.Scene?.Contains(TrackingObject) != true)
+			{
+				RemoveProgressBar();
+			}
 		}
 
 		public void ProgressReporter(double progress0To1, string processingState)
@@ -104,13 +109,18 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 
 			if (progress0To1 > 1.1)
 			{
-				view3DWidget?.Invalidate();
-				progressBar.Close();
-				if (view3DWidget != null)
-				{
-					view3DWidget.AfterDraw -= View3DWidget_AfterDraw;
-				}
+				RemoveProgressBar();
 			}
 		}
+
+		private void RemoveProgressBar()
+		{
+			progressBar.Close();
+			if (view3DWidget != null)
+			{
+				view3DWidget.AfterDraw -= View3DWidget_AfterDraw;
+			}
+			view3DWidget?.Invalidate();
+		}
 	}
 }
\ No newline at end of file
diff --git a/MatterControlLib/PartPreviewWindow/View3D/PrinterBar/PrintPopupMenu.cs b/MatterControlLib/PartPreviewWindow/View3D/PrinterBar/PrintPopupMenu.cs
index 30147c0a2..f7d731eec 100644
--- a/MatterControlLib/PartPreviewWindow/View3D/PrinterBar/PrintPopupMenu.cs
+++ b/MatterControlLib/PartPreviewWindow/View3D/PrinterBar/PrintPopupMenu.cs
@@ -210,6 +210,7 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 					var exportGCodeButton = menuTheme.CreateSplitButton(new SplitButtonParams()
 					{
 						ButtonText = "Export".Localize(),
+						BackgroundColor = theme.MinimalShade,
 						ButtonTooltip = exportPlugin.Enabled ? exportType : exportPlugin.DisabledReason,
 						ExtendPopupMenu = (popupMenu) =>
 						{
diff --git a/MatterControlLib/PartPreviewWindow/ViewControls3D.cs b/MatterControlLib/PartPreviewWindow/ViewControls3D.cs
index 512bbdb83..24c10a43c 100644
--- a/MatterControlLib/PartPreviewWindow/ViewControls3D.cs
+++ b/MatterControlLib/PartPreviewWindow/ViewControls3D.cs
@@ -87,7 +87,6 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 		private readonly Dictionary<GuiWidget, SceneOperation> operationButtons;
 		private MainViewWidget mainViewWidget = null;
 		private readonly PopupMenuButton bedMenuButton;
-		private readonly ThemeConfig theme;
 		private readonly UndoBuffer undoBuffer;
 		private readonly IconButton undoButton;
 		private readonly IconButton redoButton;
@@ -95,7 +94,6 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 		public ViewControls3D(PartWorkspace workspace, ThemeConfig theme,  UndoBuffer undoBuffer, bool isPrinterType, bool showPrintButton)
 			: base(theme)
 		{
-			this.theme = theme;
 			this.undoBuffer = undoBuffer;
 			this.ActionArea.Click += (s, e) =>
 			{
@@ -127,16 +125,17 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 			this.sceneContext = workspace.SceneContext;
 			this.workspace = workspace;
 
-			string iconPath;
+			this.AddChild(CreateOpenButton(sceneContext, theme));
 
-			this.AddChild(CreateAddButton(sceneContext, theme));
+			this.AddChild(CreateOpenFileButton(theme));
+
+			this.AddChild(CreateSaveButton(theme));
 
 			this.AddChild(new ToolbarSeparator(theme.GetBorderColor(50), theme.SeparatorMargin));
 
-			bedMenuButton = new PopupMenuButton(StaticData.Instance.LoadIcon("bed.png", 16, 16).SetToColor(theme.TextColor), theme)
+			bedMenuButton = new PopupMenuButton("Bed".Localize(), StaticData.Instance.LoadIcon("bed.png", 16, 16).SetToColor(theme.TextColor), theme)
 			{
 				Name = "Bed Options Menu",
-				ToolTipText = "Bed",
 				Enabled = true,
 				Margin = theme.ButtonSpacing,
 				VAnchor = VAnchor.Center,
@@ -147,12 +146,6 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 
 			this.AddChild(new ToolbarSeparator(theme.GetBorderColor(50), theme.SeparatorMargin));
 
-			this.AddChild(CreateOpenButton(theme));
-
-			this.AddChild(CreateSaveButton(theme));
-
-			this.AddChild(new ToolbarSeparator(theme.GetBorderColor(50), theme.SeparatorMargin));
-
 			undoButton = new IconButton(StaticData.Instance.LoadIcon("undo.png", 16, 16).SetToColor(theme.TextColor), theme)
 			{
 				Name = "3D View Undo",
@@ -509,14 +502,23 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 			redoButton.Enabled = undoBuffer.RedoCount > 0;
 		}
 
-		private IconButton CreateOpenButton(ThemeConfig theme)
+		private GuiWidget CreateOpenFileButton(ThemeConfig theme)
 		{
-			var openButton = new IconButton(StaticData.Instance.LoadIcon("fa-folder-open_16.png", 16, 16).SetToColor(theme.TextColor), theme)
+			var popupMenu = new PopupMenuButton("", theme)
 			{
-				Margin = theme.ButtonSpacing,
-				ToolTipText = "Open File".Localize(),
 				Name = "Open File Button"
 			};
+
+			if (popupMenu.Children<SimpleButton>().FirstOrDefault() is SimpleButton simpleButton)
+			{
+				simpleButton.Padding = 0;
+			};
+
+			var openMenuItems = new PopupMenu(ApplicationController.Instance.MenuTheme);
+			popupMenu.PopupContent = openMenuItems;
+
+			var openButton = openMenuItems.CreateMenuItem("Open File".Localize(), StaticData.Instance.LoadIcon("fa-folder-open_16.png", 16, 16).SetToColor(theme.TextColor));
+
 			openButton.Click += (s, e) =>
 			{
 				var extensionsWithoutPeriod = new HashSet<string>(ApplicationSettings.OpenDesignFileParams.Split('|').First().Split(',').Select(t => t.Trim().Trim('.')));
@@ -543,7 +545,8 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 						});
 				}, .1);
 			};
-			return openButton;
+
+			return popupMenu;
 		}
 
 		private void UpdateToolbarButtons(object sender, EventArgs e)
@@ -576,30 +579,15 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 			}
 		}
 
-		private GuiWidget CreateAddButton(ISceneContext sceneContext, ThemeConfig theme)
+		private GuiWidget CreateOpenButton(ISceneContext sceneContext, ThemeConfig theme)
 		{
-			var buttonView = new TextIconButton(
-				"",
-				StaticData.Instance.LoadIcon("cube_add.png", 16, 16).SetToColor(theme.TextColor),
-				theme);
-
-			// Remove right Padding for drop style
-			buttonView.Padding = buttonView.Padding.Clone(right: 0);
-
-			var popupMenu = new PopupMenu(ApplicationController.Instance.MenuTheme)
-			{
-				HAnchor = HAnchor.Fit,
-				VAnchor = VAnchor.Fit,
-			};
-
 			var openColor = theme.ResolveColor(theme.BackgroundColor, theme.SlightShade);
 
 			PopupMenuButton libraryPopup = null;
-			libraryPopup = new PopupMenuButton(buttonView, theme)
+			libraryPopup = new PopupMenuButton("Open".Localize(), StaticData.Instance.LoadIcon("fa-folder-open_16.png", 16, 16).SetToColor(theme.TextColor), theme)
 			{
 				MakeScrollable = false,
 				Name = "Add Content Menu",
-				ToolTipText = "Add Content".Localize(),
 				AlwaysKeepOpen = true,
 				DynamicPopupContent = () =>
 				{
@@ -678,8 +666,8 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 				HoverColor = theme.ToolbarButtonHover,
 				MouseDownColor = theme.ToolbarButtonDown,
 				OpenColor = openColor,
-				DrawArrow = true,
-				Margin = theme.ButtonSpacing,
+				// DrawArrow = true,
+				Margin = 0,
 				PopupBorderColor = Color.Transparent,
 				PopupHAnchor = HAnchor.Fit,
 				PopupVAnchor = VAnchor.Fit
@@ -720,6 +708,7 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 		{
 			return theme.CreateSplitButton(new SplitButtonParams()
 			{
+				ButtonText = "Save".Localize(),
 				ButtonName = "Save",
 				Icon = StaticData.Instance.LoadIcon("save_grey_16x.png", 16, 16).SetToColor(theme.TextColor),
 				ButtonAction = (menuButton) =>
@@ -740,7 +729,6 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 						menuButton.Enabled = true;
 					}).ConfigureAwait(false);
 				},
-				ButtonTooltip = "Save".Localize(),
 				ExtendPopupMenu = (PopupMenu popupMenu) =>
 				{
 					var saveAs = popupMenu.CreateMenuItem("Save As".Localize());
diff --git a/StaticData/Icons/Library/computer_icon.png b/StaticData/Icons/Library/computer_icon.png
new file mode 100644
index 000000000..75c54cd1f
Binary files /dev/null and b/StaticData/Icons/Library/computer_icon.png differ
diff --git a/Submodules/agg-sharp b/Submodules/agg-sharp
index 51adb3d9b..da9b0722d 160000
--- a/Submodules/agg-sharp
+++ b/Submodules/agg-sharp
@@ -1 +1 @@
-Subproject commit 51adb3d9b5bcd805a53faac324527c6e0121deb2
+Subproject commit da9b0722d31c00b9c02cd5afda29cdb7305209dc