diff --git a/MatterControlLib/PartPreviewWindow/Tabs.cs b/MatterControlLib/PartPreviewWindow/Tabs.cs
index f22d9f706..7fda4428f 100644
--- a/MatterControlLib/PartPreviewWindow/Tabs.cs
+++ b/MatterControlLib/PartPreviewWindow/Tabs.cs
@@ -43,7 +43,9 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 	public interface ITab
 	{
 		GuiWidget TabContent { get; }
+
 		string Key { get; }
+
 		string Text { get; }
 	}
 
@@ -84,6 +86,7 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 		public event EventHandler ActiveTabChanged;
 
 		private List<ITab> _allTabs = new List<ITab>();
+
 		public IEnumerable<ITab> AllTabs => _allTabs;
 
 		public int TabCount => _allTabs.Count;
@@ -180,6 +183,7 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 		}
 
 		private ITab _activeTab;
+
 		public ITab ActiveTab
 		{
 			get => _activeTab;
@@ -193,7 +197,7 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 
 					foreach (var tab in _allTabs)
 					{
-						tab.TabContent.Visible = (tab == clickedWidget);
+						tab.TabContent.Visible = tab == clickedWidget;
 					}
 
 					this.OnActiveTabChanged();
diff --git a/Submodules/MatterSlice b/Submodules/MatterSlice
index 2740b3db7..403b8cb69 160000
--- a/Submodules/MatterSlice
+++ b/Submodules/MatterSlice
@@ -1 +1 @@
-Subproject commit 2740b3db72d63a6ee8561485ed05c14dc310d4a5
+Subproject commit 403b8cb694d9c5fc0eaf4ace5022bd8d910165d7