5 model

Free

Mini-nuke subwoofer

Thingiverse

Free

NEMA-17 1:4 step-up gearbox for remote direct drive

Thingiverse

Free

Nema 17 1:4 Planetary Geared Extruder

Thingiverse

Free

Orca 0.4 Nema 17 cooling

Thingiverse

Free

4.8:1 Nema 17 3d Printed Planetary Gearbox by HodgerTech

Thingiverse