5 model

Free

Spaceship Earth (Epcot Ball) base

Thingiverse

Free

A spaceship from Warhammer.

Thingiverse

Free

Anet A8 Fan Duct Spaceship edition

Thingiverse

Free

Ultimate Hemera Partcooler With Spaceship Airduct

Thingiverse

Free

Centaurian Resistance Space Ships (medium and large)

Thingiverse