Here are the STL format files used to produce miniatures on a 3D printer.
Cheetahoid - 26mm
Crocodillian - 32mm
Elephantoid - 50mm
Felinoid (aka Meek) - 28mm
Gorilloid - 28mm
Lupinoid & Caninoid - 17mm
Bot - 22mm
Canosian - 30mm
Diploid - 24mm
Fungaloid - 22mm
Kerbite - 17mm
Silicoid - 35mm
Tentac - 25mm
Trundlian - 22mm
Whistler - 20mm
Xeloxian - 29mm
Zoallan - 20mm
Base - used for all miniatures (except the Spaceship)
Powered Armor - 63mm
Spaceship - 29mm