I made a script which does just that: https://www.dropbox.com/s/gnx004p8zm86n0b/PostProcessor.zip?dl=0 You need python 3.4.2 Create a shortcut to the python.exe and main.py from my postprocessor: C:\Python34\python.exe C:\....\main.py Place the shortcut in the same folder as your .gcode file Start ...