3D Printer Files | 3MF File | Creality Dryer Upgrade - Spool Holder with roller

Goal is to minimize the friction seen from the extruder when filament is taken directly from inside the Creality Pi Dryer.Holding spool from inner diameter ensure smooth feed until the very end of each spool.It is made of: 1) spool holder on roller - 3 pieces only - easy to print, no border, no support and no post-treatment - re-using shaft and bearing from dryer itself, no need of additional mechanical parts 2) Bowden (PTFE) tube output guide - Tube and nut with with large scre