Made the calibration cubes have instructions

Description Object can have clickable links
Markdown widget keeps its size correctly
Printer connection switches to disconnected when com port lost
Fixed material temp

MatterControlLib/DesignTools/Primitives/DescriptionObject3D.cs

@@ -34,6 +34,7 @@ using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using Markdig.Agg;
+using Markdig.Renderers.Agg.Inlines;
 using MatterHackers.Agg;
 using MatterHackers.Agg.Platform;
 using MatterHackers.Agg.UI;
@@ -268,6 +269,8 @@ namespace MatterHackers.MatterControl.DesignTools
 			if (markdownWidget.Markdown != description)
 			{
 				markdownWidget.Markdown = description;
+
+				FixSelectableBasedOnLinks(markdownWidget);
 			}
 
 			markdownWidget.Width = width;
@@ -298,6 +301,24 @@ namespace MatterHackers.MatterControl.DesignTools
 			graphics2DOpenGL.RenderTransformedPath(transform, new Ellipse(0, 0, 5, 5), theme.PrimaryAccentColor, false);
 		}
 
+        private void FixSelectableBasedOnLinks(MarkdownWidget markdownWidget)
+        {
+			if (markdownWidget.Descendants<TextLinkX>().Any())
+			{
+				foreach (var child in markdownWidget.Children)
+				{
+					child.Selectable = true;
+				}
+			}
+			else
+            {
+				foreach (var child in markdownWidget.Children)
+				{
+					child.Selectable = false;
+				}
+			}
+		}
+
 		public AxisAlignedBoundingBox GetEditorWorldspaceAABB(Object3DControlsLayer layer)
 		{
 			return AxisAlignedBoundingBox.Empty();
@@ -328,17 +349,15 @@ namespace MatterHackers.MatterControl.DesignTools
 				markdownWidget.Markdown = Description;
 				markdownWidget.Width = width;
 				markdownWidget.ScrollArea.VAnchor = VAnchor.Fit | VAnchor.Center;
-				foreach (var child in markdownWidget.Children)
-				{
-					child.Selectable = false;
-				}
+
+				FixSelectableBasedOnLinks(markdownWidget);
 
 				controlLayer.GuiSurface.AddChild(markdownWidget);
 				controlLayer.GuiSurface.AfterDraw += GuiSurface_AfterDraw;
 				markdownWidget.MouseDown += MarkdownWidget_MouseDown;
 				markdownWidget.MouseMove += MarkdownWidget_MouseMove;
 				markdownWidget.MouseUp += MarkdownWidget_MouseUp;
-				markdownWidget.KeyDown += MarkdownWidget_KeyDown; ;
+				markdownWidget.KeyDown += MarkdownWidget_KeyDown;
 			}
 		}
 

MatterControlLib/PrinterCommunication/PrinterConnection.cs

@@ -1757,7 +1757,7 @@ Make sure that your printer is turned on. Some printers will appear to be connec
 			}
 
 			Console.WriteLine("Exiting ReadFromPrinter method: " + CommunicationState.ToString());
-			if (CommunicationState == CommunicationStates.Connected)
+			if (CommunicationState != CommunicationStates.Disconnecting)
 			{
 				// we are in an error condition where we have lost the com port
 				CommunicationState = CommunicationStates.Disconnected;

MatterControlLib/Utilities/MarkdigAgg/MarkdownWidget.cs

@@ -94,7 +94,14 @@ namespace Markdig.Agg
 			this.AddChild(contentPanel);
 		}
 
-		public void LoadUri(Uri uri, HelpArticle sourceArticle = null)
+        public override void OnSizeChanged(EventArgs e)
+        {
+			contentPanel.Height = contentPanel.Height - 1;
+
+			base.OnSizeChanged(e);
+        }
+
+        public void LoadUri(Uri uri, HelpArticle sourceArticle = null)
 		{
 			try
 			{

StaticData/Materials/BASF/PRO1 Tough PLA.material

@@ -22,7 +22,7 @@
       "max_fan_speed_layer_time": "60",
       "min_fan_speed": "60",
       "min_fan_speed_layer_time": "180",
-      "temperature": "220"
+      "temperature": "215"
     }
   ],
   "OemLayer": null,