Easy to print Steyr RSO (Raupenschlepper, Ost), 1/100 scale, will want some greebling if scaled up. Some details have been changed for looks/ printability.
The different files include a flatbed, a box bottom, and a canvas cover over the box. the structure and cab are separate if you want to use this as a weird technical, or replace the cab.
Scale by 1.56 for gaslands / hotwheels / 1/64
Scale by 1.786 for 28mm / 1/56