diff --git a/ApplicationView/ApplicationController.cs b/ApplicationView/ApplicationController.cs
index 26d627479..23f4735d4 100644
--- a/ApplicationView/ApplicationController.cs
+++ b/ApplicationView/ApplicationController.cs
@@ -615,6 +615,63 @@ namespace MatterHackers.MatterControl
 				}
 			}, ref unregisterEvents);
 
+			PrinterConnection.DoDelayedTurnOffHeat.RegisterEvent((s, e) =>
+			{
+				var printerConnection = ApplicationController.Instance.ActivePrinter.Connection;
+				bool anyHeatersAreOn = false;
+				for (int i=0; i<printerConnection.ExtruderCount; i++)
+				{
+					anyHeatersAreOn |= printerConnection.GetTargetHotendTemperature(i) != 0;
+				}
+				anyHeatersAreOn |= printerConnection.TargetBedTemperature != 0;
+
+				if (anyHeatersAreOn)
+				{
+					bool continueWaiting = true;
+					Tasks.Execute((reporter, cancellationToken) =>
+					{
+						EventHandler cancel = (s2, e2) => { continueWaiting = false; };
+						printerConnection.BedTemperatureSet.RegisterEvent(cancel, ref unregisterEvent);
+						printerConnection.HotendTemperatureSet.RegisterEvent(cancel, ref unregisterEvent);
+						EventHandler stateChanged = (s2, e2) =>
+						{
+							if (printerConnection.CommunicationState == CommunicationStates.PreparingToPrint)
+							{
+								continueWaiting = false;
+							};
+						};
+						printerConnection.CommunicationStateChanged.RegisterEvent(stateChanged, ref unregisterEvent);
+
+						Stopwatch time = Stopwatch.StartNew();
+
+						var progressStatus = new ProgressStatus();
+
+						int secondsToWait = 60;
+						while (time.Elapsed.TotalSeconds < secondsToWait
+							&& !cancellationToken.IsCancellationRequested
+							&& continueWaiting)
+						{
+							reporter.Report(progressStatus);
+							progressStatus.Status = "Turn Off Heat in".Localize() + " " + (60 - time.Elapsed.TotalSeconds).ToString("0");
+							Thread.Sleep(100);
+						}
+
+						if (!cancellationToken.IsCancellationRequested
+							&& continueWaiting)
+						{
+							printerConnection.TurnOffBedAndExtruders(true);
+						}
+
+						printerConnection.BedTemperatureSet.UnregisterEvent(cancel, ref unregisterEvent);
+						printerConnection.HotendTemperatureSet.UnregisterEvent(cancel, ref unregisterEvent);
+						printerConnection.CommunicationStateChanged.UnregisterEvent(stateChanged, ref unregisterEvent);
+
+						return Task.CompletedTask;
+					});
+				}
+			}, ref unregisterEvents);
+
+
 			PrinterConnection.ErrorReported.RegisterEvent((s, e) =>
 			{
 				var foundStringEventArgs = e as FoundStringEventArgs;
diff --git a/DesignTools/Operations/Translate.cs b/DesignTools/Operations/Translate.cs
index 69ee351b8..288477d51 100644
--- a/DesignTools/Operations/Translate.cs
+++ b/DesignTools/Operations/Translate.cs
@@ -35,7 +35,8 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 	public class Translate : Object3D
 	{
 		public Translate()
-		{ }
+		{
+		}
 
 		public Translate(IObject3D item, double x = 0, double y = 0, double z = 0)
 			: this(item, new Vector3(x, y, z))
diff --git a/PrinterCommunication/PrinterConnection.cs b/PrinterCommunication/PrinterConnection.cs
index 42a8efee1..314982e0f 100644
--- a/PrinterCommunication/PrinterConnection.cs
+++ b/PrinterCommunication/PrinterConnection.cs
@@ -75,6 +75,7 @@ namespace MatterHackers.MatterControl.PrinterCommunication
 	/// </summary>
 	public class PrinterConnection
 	{
+		public static RootedObjectEventHandler DoDelayedTurnOffHeat = new RootedObjectEventHandler();
 		public static RootedObjectEventHandler ErrorReported = new RootedObjectEventHandler();
 
 		public static RootedObjectEventHandler AnyCommunicationStateChanged = new RootedObjectEventHandler();
@@ -210,7 +211,7 @@ namespace MatterHackers.MatterControl.PrinterCommunication
 
 		private bool stopTryingToConnect = false;
 
-		private double targetBedTemperature;
+		private double _targetBedTemperature;
 
 		private double[] targetHotendTemperature = new double[MAX_EXTRUDERS];
 
@@ -421,7 +422,7 @@ namespace MatterHackers.MatterControl.PrinterCommunication
 					case CommunicationStates.Disconnected:
 						if (communicationPossible)
 						{
-							TurnOffBedAndExtruders();
+							TurnOffBedAndExtruders(true);
 							for (int hotendIndex = 0; hotendIndex < MAX_EXTRUDERS; hotendIndex++)
 							{
 								actualHotendTemperature[hotendIndex] = 0;
@@ -765,17 +766,17 @@ namespace MatterHackers.MatterControl.PrinterCommunication
 		{
 			get
 			{
-				return targetBedTemperature;
+				return _targetBedTemperature;
 			}
 			set
 			{
-				if (targetBedTemperature != value)
+				if (_targetBedTemperature != value)
 				{
-					targetBedTemperature = value;
+					_targetBedTemperature = value;
 					OnBedTemperatureSet(new TemperatureEventArgs(0, TargetBedTemperature));
 					if (PrinterIsConnected)
 					{
-						QueueLine("M140 S{0}".FormatWith(targetBedTemperature));
+						QueueLine("M140 S{0}".FormatWith(_targetBedTemperature));
 					}
 				}
 			}
@@ -835,7 +836,7 @@ namespace MatterHackers.MatterControl.PrinterCommunication
 					if (TargetBedTemperature != tempBeingSet)
 					{
 						// we set the private variable so that we don't get the callbacks called and get in a loop of setting the temp
-						targetBedTemperature = tempBeingSet;
+						_targetBedTemperature = tempBeingSet;
 						OnBedTemperatureSet(new TemperatureEventArgs(0, TargetBedTemperature));
 					}
 				}
@@ -970,7 +971,7 @@ namespace MatterHackers.MatterControl.PrinterCommunication
 
 										CreateStreamProcessors(null, false);
 
-										TurnOffBedAndExtruders(); // make sure our ui and the printer agree and that the printer is in a known state (not heating).
+										TurnOffBedAndExtruders(true); // make sure our ui and the printer agree and that the printer is in a known state (not heating).
 										haveReportedError = false;
 
 										QueueLine(this.ConnectGCode);
@@ -1056,7 +1057,7 @@ namespace MatterHackers.MatterControl.PrinterCommunication
 				// the motors and heaters (a good idea and something for the future).
 				forceImmediateWrites = true;
 				ReleaseMotors();
-				TurnOffBedAndExtruders();
+				TurnOffBedAndExtruders(true);
 				FanSpeed0To255 = 0;
 				forceImmediateWrites = false;
 
@@ -1073,7 +1074,7 @@ namespace MatterHackers.MatterControl.PrinterCommunication
 			else
 			{
 				//Need to reset UI - even if manual disconnect
-				TurnOffBedAndExtruders();
+				TurnOffBedAndExtruders(true);
 				FanSpeed0To255 = 0;
 			}
 			OnEnabledChanged(null);
@@ -2086,7 +2087,7 @@ namespace MatterHackers.MatterControl.PrinterCommunication
 			this.PrintJobName = null;
 
 			// never leave the extruder and the bed hot
-			TurnOffBedAndExtruders();
+			TurnOffBedAndExtruders(false);
 
 			ReleaseMotors();
 		}
@@ -2422,7 +2423,7 @@ namespace MatterHackers.MatterControl.PrinterCommunication
 						CommunicationState = CommunicationStates.Connected;
 						// never leave the extruder and the bed hot
 						ReleaseMotors();
-						TurnOffBedAndExtruders();
+						TurnOffBedAndExtruders(false);
 						this.PrintWasCanceled = false;
 					}
 					else if (communicationState == CommunicationStates.Printing)// we finished printing normally
@@ -2436,19 +2437,26 @@ namespace MatterHackers.MatterControl.PrinterCommunication
 
 						// never leave the extruder and the bed hot
 						ReleaseMotors();
-						TurnOffBedAndExtruders();
+						TurnOffBedAndExtruders(false);
 					}
 				}
 			}
 		}
 
-		private void TurnOffBedAndExtruders()
+		public void TurnOffBedAndExtruders(bool now)
 		{
-			for (int i = 0; i < this.ExtruderCount; i++)
+			if (now)
 			{
-				SetTargetHotendTemperature(i, 0, true);
+				for (int i = 0; i < this.ExtruderCount; i++)
+				{
+					SetTargetHotendTemperature(i, 0, true);
+				}
+				TargetBedTemperature = 0;
+			}
+			else
+			{
+				DoDelayedTurnOffHeat.CallEvents(this, null);
 			}
-			TargetBedTemperature = 0;
 		}
 
 		// this is to make it misbehave, chaos monkey, bad checksum
diff --git a/Submodules/agg-sharp b/Submodules/agg-sharp
index bf8463533..695626d55 160000
--- a/Submodules/agg-sharp
+++ b/Submodules/agg-sharp
@@ -1 +1 @@
-Subproject commit bf84635332c1fa7aaad095bc3ce3be7f5f866793
+Subproject commit 695626d55e91b06a5bccb6098bca1cafe9201568