Best posts made by Pakue

@phaedrux Putting the blocked end into boiling water might be enough with PETG and avoids any damage to the PTFE tube.

@infidelprops try adding a G28 Z to mesh.g to home before mesh levelling. Also adding a G28 Z after bed.g may be a good idea.

@dc42 Thank you for the answer! I found running it only in spread cycle the best option for this setup.

It’s an interesting concept!
Given that the serial number should be supplied by a server, wouldn’t it be easier to request a new GCODE for each print? Adding serial number plates in a slicer world be much more flexible than adding it via RFF.