diff --git a/DesignTools/Operations/ArrayAdvancedObject3D.cs b/DesignTools/Operations/ArrayAdvancedObject3D.cs
index b8b617de1..852460b39 100644
--- a/DesignTools/Operations/ArrayAdvancedObject3D.cs
+++ b/DesignTools/Operations/ArrayAdvancedObject3D.cs
@@ -42,11 +42,19 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 		}
 
 		public override string ActiveEditor => "PublicPropertyEditor";
+		public override bool CanBake => true;
+		public override bool CanRemove => true;
+
 		public int Count { get; set; } = 3;
+
 		public Vector3 Offset { get; set; } = new Vector3(30, 0, 0);
+
 		public double Rotate { get; set; } = 0;
-		public double Scale { get; set; } = 1;
+
 		public bool RotatePart { get; set; } = true;
+
+		public double Scale { get; set; } = 1;
+
 		public bool ScaleOffset { get; set; } = true;
 
 		public void Rebuild()
@@ -80,6 +88,18 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 				}
 			});
 		}
+
+		public override void Remove()
+		{
+			this.Children.Modify(list =>
+			{
+				IObject3D firstChild = list.First();
+				list.Clear();
+				list.Add(firstChild);
+			});
+
+			base.Remove();
+		}
 	}
 
 	public class DirectionAxis
diff --git a/DesignTools/Operations/ArrayLinearObject3D.cs b/DesignTools/Operations/ArrayLinearObject3D.cs
index 059f261a5..0cb434622 100644
--- a/DesignTools/Operations/ArrayLinearObject3D.cs
+++ b/DesignTools/Operations/ArrayLinearObject3D.cs
@@ -42,6 +42,8 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 		}
 
 		public override string ActiveEditor => "PublicPropertyEditor";
+		public override bool CanBake => true;
+		public override bool CanRemove => true;
 		public int Count { get; set; } = 3;
 		public DirectionVector Direction { get; set; } = new DirectionVector { Normal = new Vector3(1, 0, 0) };
 		public double Distance { get; set; } = 30;
@@ -63,5 +65,17 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 				}
 			});
 		}
+
+		public override void Remove()
+		{
+			this.Children.Modify(list =>
+			{
+				IObject3D firstChild = list.First();
+				list.Clear();
+				list.Add(firstChild);
+			});
+
+			base.Remove();
+		}
 	}
 }
\ No newline at end of file
diff --git a/DesignTools/Operations/ArrayRadialObject3D.cs b/DesignTools/Operations/ArrayRadialObject3D.cs
index 0ba892031..827604236 100644
--- a/DesignTools/Operations/ArrayRadialObject3D.cs
+++ b/DesignTools/Operations/ArrayRadialObject3D.cs
@@ -43,22 +43,27 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 		}
 
 		public override string ActiveEditor => "PublicPropertyEditor";
-		public int Count { get; set; } = 3;
-		// make this public when within angle works
-		private double Angle { get; set; } = 360;
 
 		[DisplayName("Rotate About")]
 		public DirectionAxis Axis { get; set; } = new DirectionAxis() { Origin = Vector3.NegativeInfinity, Normal = Vector3.UnitZ };
 
+		public override bool CanBake => true;
+		public override bool CanRemove => true;
+
+		public int Count { get; set; } = 3;
+
+		[DisplayName("Rotate Part")]
+		[Description("Rotate the part to the same angle as the array.")]
+		public bool RotatePart { get; set; } = true;
+
+		// make this public when within angle works
+		private double Angle { get; set; } = 360;
+
 		// make this public when it works
 		[DisplayName("Keep Within Angle")]
 		[Description("Keep the entire extents of the part within the angle described.")]
 		private bool KeepInAngle { get; set; } = false;
 
-		[DisplayName("Rotate Part")]
-		[Description("Rotate the part to the same angle as the array.")]
-		public bool RotatePart { get; set; } = true;
-
 		public void Rebuild()
 		{
 			if (Axis.Origin.X == double.NegativeInfinity)
@@ -93,5 +98,17 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 			});
 			this.Invalidate();
 		}
+
+		public override void Remove()
+		{
+			this.Children.Modify(list =>
+			{
+				IObject3D firstChild = list.First();
+				list.Clear();
+				list.Add(firstChild);
+			});
+
+			base.Remove();
+		}
 	}
 }
\ No newline at end of file