Vertical QSM-M5-6 PTFE Tube Fitting for Auto-Rewind Spool Holder for RepRack

this remix of the front part allow to screw a QSM-M5-6 fitting and a piece of PTFE on the opposite side to reduce friction when the spool is almost empty and the filament string enters angled (so the filament do not rub on the edge of the plastic part)