diff --git a/SlicerConfiguration/SliceSettingsOrganizer.cs b/SlicerConfiguration/SliceSettingsOrganizer.cs
index a170694ef..e9e7274cd 100644
--- a/SlicerConfiguration/SliceSettingsOrganizer.cs
+++ b/SlicerConfiguration/SliceSettingsOrganizer.cs
@@ -47,7 +47,7 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 	public class OrganizerSettingsData
 	{
 		[JsonConverter(typeof(StringEnumConverter))]
-		public enum DataEditTypes { STRING, INT, INT_OR_MM, DOUBLE, POSITIVE_DOUBLE, OFFSET, DOUBLE_OR_PERCENT, VECTOR2, OFFSET2, CHECK_BOX, LIST, MULTI_LINE_TEXT, HARDWARE_PRESENT };
+		public enum DataEditTypes { STRING, INT, INT_OR_MM, DOUBLE, POSITIVE_DOUBLE, OFFSET, DOUBLE_OR_PERCENT, VECTOR2, OFFSET2, CHECK_BOX, LIST, MULTI_LINE_TEXT, HARDWARE_PRESENT, COM_PORT };
 
 		public string SlicerConfigName { get; set; }
 
diff --git a/SlicerConfiguration/SliceSettingsWidget.cs b/SlicerConfiguration/SliceSettingsWidget.cs
index f842963e0..cc9bfd68f 100644
--- a/SlicerConfiguration/SliceSettingsWidget.cs
+++ b/SlicerConfiguration/SliceSettingsWidget.cs
@@ -33,6 +33,7 @@ using MatterHackers.Agg.UI;
 using MatterHackers.Localizations;
 using MatterHackers.MatterControl.CustomWidgets;
 using MatterHackers.MatterControl.PrinterCommunication;
+using MatterHackers.SerialPortCommunication.FrostedSerial;
 using MatterHackers.VectorMath;
 using System;
 using System.Collections.Generic;
@@ -1047,6 +1048,39 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 						}
 						break;
 
+					case OrganizerSettingsData.DataEditTypes.COM_PORT:
+						{
+							var selectableOptions = new StyledDropDownList("None", maxHeight: 200)
+							{
+								ToolTipText = settingData.HelpText,
+								Margin = new BorderDouble()
+							};
+
+							foreach (string listItem in FrostedSerialPort.GetPortNames())
+							{
+								MenuItem newItem = selectableOptions.AddItem(listItem);
+								if (newItem.Text == sliceSettingValue)
+								{
+									selectableOptions.SelectedLabel = sliceSettingValue;
+								}
+
+								newItem.Selected += (sender, e) =>
+								{
+									MenuItem menuItem = ((MenuItem)sender);
+									SaveSetting(settingData.SlicerConfigName, menuItem.Text);
+
+									settingsRow2.UpdateStyle();
+
+									OnSettingsChanged(settingData);
+								};
+							}
+
+							dataArea.AddChild(selectableOptions);
+
+							settingsRow2.ValueChanged = (text) => selectableOptions.SelectedLabel = text;
+						}
+						break;
+
 					case OrganizerSettingsData.DataEditTypes.LIST:
 						{
 							var selectableOptions = new StyledDropDownList("None", maxHeight: 200)
diff --git a/StaticData/SliceSettings/Properties.json b/StaticData/SliceSettings/Properties.json
index 358237e1a..5b6460fff 100644
--- a/StaticData/SliceSettings/Properties.json
+++ b/StaticData/SliceSettings/Properties.json
@@ -1226,8 +1226,8 @@
   {
     "SlicerConfigName": "MatterControl.ComPort",
     "PresentationName": "ComPort",
-    "HelpText": "",
-    "DataEditType": "STRING",
+    "HelpText": "Set the com port to use while connecting to this printer.",
+    "DataEditType": "COM_PORT",
     "ExtraSettings": ""
   },
   {
diff --git a/StaticData/Translations/Master.txt b/StaticData/Translations/Master.txt
index 6f1f1da5d..670a419c3 100644
--- a/StaticData/Translations/Master.txt
+++ b/StaticData/Translations/Master.txt
@@ -4807,3 +4807,6 @@ Translated:Action
 English:ComPort
 Translated:ComPort
 
+English:Set the com port to use while connecting to this printer.
+Translated:Set the com port to use while connecting to this printer.
+
diff --git a/Submodules/agg-sharp b/Submodules/agg-sharp
index 2917bf31f..ab0dc31ca 160000
--- a/Submodules/agg-sharp
+++ b/Submodules/agg-sharp
@@ -1 +1 @@
-Subproject commit 2917bf31fc782b70928bcf7df3a93d245e051cd6
+Subproject commit ab0dc31ca55218fdc2d10b987310f8b7eaba5b76