Approach number 2 :) This time with a GUI Allows you to view gcode files. Ability to rework the code using plugins. Currently available plugi-ins are: The possibility of making miniature icons for files :) as a side effect Thumbnaller setup: delete thing from extension :) extract tar.bz2 past files in your home dir correct path in /home/yoyo/Projects/_Python/ExtruderMaster2/gcode.thumbnailer and /home/yoyo/Projects/_Python/ExtruderMaster2/makeImg.sh run update-mime-database ~/.local/share/mime/to your path you need python and pygtk3