For my printer enclosure I needed something with screw holes so I added some. Also I designed a clamp for the PTFE tubes so they won't get sucked in. Just use a M3 10mm screw and a hex nut (there should be enough in the MMU2 spare parts bag).
Since I had some problems with with tangled up PETG filament that managed to slip from the wheel I designed a fully enclosed version that also has less tollerance between the wheel. Hopefully this will finally prevent any tangling up.
The clamp needs to be flexible so PETG is recommended. The rest can be printed in PLA.
The author remixed this model.