A sleek, minimalist bowden-style extruder with low hardware count and a fully-supported filament path (great for flexibles)
1x 603zz bearing
5x m3 x 10 socket head screw
1x 40T filament drive gear (Signwise brand)
4mm push to connect fitting with m5 thread
feel free to download the STEP files and customize to your specific needs. Happy printing!!