Abacus
thingiverse
I designed this piece specifically for inclusion in a museum exhibit and believed it had the potential to serve as an excellent initial contribution to this online platform.
Download Model from thingiverse
With this file you will be able to print Abacus 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 Abacus.