From 38cbfa8fb96d6da4f4ec8a2fb3f576185e40b11a Mon Sep 17 00:00:00 2001
From: jlewin <lewin76@gmail.com>
Date: Fri, 15 Feb 2019 11:05:33 -0800
Subject: [PATCH] Increment rather than reassign X offset

---
 MatterControlLib/CustomWidgets/NozzleOffsetCalibrationPage.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MatterControlLib/CustomWidgets/NozzleOffsetCalibrationPage.cs b/MatterControlLib/CustomWidgets/NozzleOffsetCalibrationPage.cs
index a1c02af32..7e45cca02 100644
--- a/MatterControlLib/CustomWidgets/NozzleOffsetCalibrationPage.cs
+++ b/MatterControlLib/CustomWidgets/NozzleOffsetCalibrationPage.cs
@@ -488,7 +488,7 @@ namespace MatterHackers.MatterControl
 			nextButton.Click += (s, e) =>
 			{
 				var hotendOffset = printer.Settings.Helpers.ExtruderOffset(1);
-				hotendOffset.X = double.Parse(activeOffset.Text);
+				hotendOffset.X += double.Parse(activeOffset.Text);
 				printer.Settings.Helpers.SetExtruderOffset(1, hotendOffset);
 			};