diff --git a/MatterControlLib/DesignTools/Operations/ArrayLinearObject3D.cs b/MatterControlLib/DesignTools/Operations/ArrayLinearObject3D.cs
index 457427267..3ce128f07 100644
--- a/MatterControlLib/DesignTools/Operations/ArrayLinearObject3D.cs
+++ b/MatterControlLib/DesignTools/Operations/ArrayLinearObject3D.cs
@@ -96,7 +96,21 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 
 						var updateItems = SheetObject3D.SortAndLockUpdateItems(this, (item) =>
 						{
-							return !(item.Parent is ArrayObject3D && item is OperationSourceObject3D);
+							// WIP
+							if (item.Parent == this)
+							{
+								// only process our children that are not the source object
+								return !(item is OperationSourceObject3D);
+							}
+							else if (item.Parent is OperationSourceContainerObject3D)
+							{
+								// If we find another source container
+								// Only process its children that are the source container (they will be replicated and modified correctly by the source container)
+								return item is OperationSourceObject3D;
+							}
+
+							// process everything else
+							return true;
 						});
 
 						var runningInterval = SheetObject3D.SendInvalidateInRebuildOrder(updateItems, InvalidateType.Properties);
diff --git a/MatterControlLib/DesignTools/Primitives/BaseObject3D.cs b/MatterControlLib/DesignTools/Primitives/BaseObject3D.cs
index e2c38198c..b09ddaa8e 100644
--- a/MatterControlLib/DesignTools/Primitives/BaseObject3D.cs
+++ b/MatterControlLib/DesignTools/Primitives/BaseObject3D.cs
@@ -83,10 +83,10 @@ namespace MatterHackers.MatterControl.DesignTools
 		public DoubleOrExpression CalculationHeight { get; set; } = .1;
 
 		[DisplayName("Expand")]
-		[Slider(1, 30, Easing.EaseType.Quadratic, snapDistance: .5)]
+		[Slider(0, 30, Easing.EaseType.Quadratic, snapDistance: .5)]
 		public DoubleOrExpression BaseSize { get; set; } = 3;
 
-		[Slider(1, 20, Easing.EaseType.Quadratic, snapDistance: .1)]
+		[Slider(0, 10, Easing.EaseType.Quadratic, snapDistance: .1)]
 		public DoubleOrExpression InfillAmount { get; set; } = 3;
 
 		[DisplayName("Height")]
@@ -360,21 +360,6 @@ namespace MatterHackers.MatterControl.DesignTools
 			return boundingCircle;
 		}
 
-		private static PolyTree GetPolyTree(Polygons basePolygons)
-		{
-			// create a bounding polygon to clip against
-			Polygon boundingPoly = GetBoundingPolygon(basePolygons);
-
-			var polyTreeForTrace = new PolyTree();
-
-			var clipper = new Clipper();
-			clipper.AddPaths(basePolygons, PolyType.ptSubject, true);
-			clipper.AddPath(boundingPoly, PolyType.ptClip, true);
-			clipper.Execute(ClipType.ctIntersection, polyTreeForTrace);
-
-			return polyTreeForTrace;
-		}
-
 		public void GenerateBase(Polygons polygonShape, double bottomWithoutBase)
 		{
 			if (polygonShape != null
@@ -393,11 +378,7 @@ namespace MatterHackers.MatterControl.DesignTools
 						break;
 
 					case BaseTypes.Outline:
-						PolyTree polyTreeForBase = GetPolyTree(polygonShape);
-						foreach (PolyNode polyToOffset in polyTreeForBase.Childs)
-						{
-							polysToOffset.Add(polyToOffset.Contour);
-						}
+						polysToOffset.AddRange(polygonShape);
 						break;
 				}
 
diff --git a/MatterControlLib/DesignTools/Sheets/SheetObject3D.cs b/MatterControlLib/DesignTools/Sheets/SheetObject3D.cs
index 50e08767d..d62e4016b 100644
--- a/MatterControlLib/DesignTools/Sheets/SheetObject3D.cs
+++ b/MatterControlLib/DesignTools/Sheets/SheetObject3D.cs
@@ -148,7 +148,7 @@ namespace MatterHackers.MatterControl.DesignTools
 		public static List<UpdateItem> SortAndLockUpdateItems(IObject3D root, Func<IObject3D, bool> includeObject)
 		{
 			var requiredUpdateItems = new Dictionary<IObject3D, UpdateItem>();
-			foreach (var child in root.Children)
+			foreach (var child in root.Descendants())
 			{
 				if (includeObject(child))
 				{
@@ -249,7 +249,7 @@ namespace MatterHackers.MatterControl.DesignTools
 			}
 
 			var depth2 = inDepth;
-			if (HasParametersWithActiveFunctions(inItem))
+			if (HasExpressionWithString(inItem, "=", true))
 			{
 				var itemToAdd = inItem;
 				while (itemToAdd != null
@@ -471,14 +471,14 @@ namespace MatterHackers.MatterControl.DesignTools
 				// Check if the sheet is the first sheet parent of this item (if not it will not change it's data).
 				if (FindFirstSheet(itemToCheck) == sheet)
 				{
-					return HasParametersWithActiveFunctions(itemToCheck);
+					return HasExpressionWithString(itemToCheck, "=", true);
 				}
 			}
 
 			return false;
 		}
 
-		public static bool HasParametersWithActiveFunctions(IObject3D itemToCheck)
+		public static bool HasExpressionWithString(IObject3D itemToCheck, string checkForString, bool startsWith)
 		{
 			foreach (var item in itemToCheck.DescendantsAndSelf())
 			{
@@ -489,10 +489,17 @@ namespace MatterHackers.MatterControl.DesignTools
 
 					if (propertyValue is IDirectOrExpression directOrExpression)
 					{
-						if (directOrExpression.Expression.StartsWith("="))
+						if (startsWith)
 						{
-							// WIP: check if the value has actually changed, this will update every object on any cell change
-							return true;
+							if (directOrExpression.Expression.StartsWith(checkForString))
+							{
+								// WIP: check if the value has actually changed, this will update every object on any cell change
+								return true;
+							}
+						}
+						else
+						{
+							return directOrExpression.Expression.Contains(checkForString);
 						}
 					}
 				}
diff --git a/MatterControlLib/PrinterCommunication/PrinterConnection.cs b/MatterControlLib/PrinterCommunication/PrinterConnection.cs
index 0ce8cadb2..756f32d29 100644
--- a/MatterControlLib/PrinterCommunication/PrinterConnection.cs
+++ b/MatterControlLib/PrinterCommunication/PrinterConnection.cs
@@ -872,7 +872,7 @@ namespace MatterHackers.MatterControl.PrinterCommunication
 
 		public string PrintJobName { get; private set; } = null;
 
-		public bool PrintWasCanceled { get; set; } = false;
+		public bool PrintWasCanceled { get; private set; } = false;
 
 		public double RatioIntoCurrentLayerSeconds
 		{
diff --git a/Submodules/MatterSlice b/Submodules/MatterSlice
index 84a364a7f..49be2b6a9 160000
--- a/Submodules/MatterSlice
+++ b/Submodules/MatterSlice
@@ -1 +1 @@
-Subproject commit 84a364a7f26fc1a24ef2d616294465c4e52781cc
+Subproject commit 49be2b6a99486f12ef036bd35596036ab5e3fe1b
diff --git a/Submodules/agg-sharp b/Submodules/agg-sharp
index e1312ca89..e728d4667 160000
--- a/Submodules/agg-sharp
+++ b/Submodules/agg-sharp
@@ -1 +1 @@
-Subproject commit e1312ca8960b1cbec7bfe0b0f85770d824866983
+Subproject commit e728d466796ab765de25e51f09e3107d42014168