5 model

Free

Gearfinity Planetary Gear Stage

MyMiniFactory

Free

Mars — Printable Planetary Relief in 503 Parts (NASA MOLA)

MyMiniFactory

Free

Compound gearbox

MyMiniFactory

Free

Sentry Turret

MyMiniFactory

Free

Shork Arc Lord, Planet Shark Miniature - pre-supported

MyMiniFactory