About this 3D model

Reductor that done from identical gears 1:4 each (uniform) and can be setup with as many gears in sequence as you need (scalable) to get ratio and torque that you need. On images reductor done from 4 gears and has ration 1:256, but you can easy install more/less gears to each of two reductor axes to have ratio that you need. There also included fram for gears system with holder for motor.