Gear Bearing Demo Thing
thingiverse
Rather than featuring a central opening, it comes equipped with a small knob, allowing for effortless manual rotation.
Download Model from thingiverse
With this file you will be able to print Gear Bearing Demo Thing 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 Gear Bearing Demo Thing.