3-sided coin
thingiverse
I (re)invented the idea of a 3-sided coin when confronted with the need to choose from 3 equally viable options. Turns out, the problem has been solved. The explanation is here: http://www.statisticool.com/3sided.htm
Download Model from thingiverse
With this file you will be able to print 3-sided coin 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 3-sided coin.