@alc112 said: If I open a gcode file in matter control with the feature turned on, will it aply the bed levelling to th gcode ifI export it and leave all the settings intact?Yes.@alc112 said: When the machine is workingI see that Z vaues change constantly due to autolevel... will that be a problem when modifying the gcode? or how should I do that? No, modifying the G-Code will not be a problem. Think of the auto-leveling process as a filter that the G-Code runs through on its way to the printer.