4 stage planetary gearbox
thingiverse
I simply extracted the 4-stage kit from the zip archive located within the "thing" folder.
Download Model from thingiverse
With this file you will be able to print 4 stage planetary gearbox with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on 4 stage planetary gearbox.