Pi
thingiverse
After making the Pi combo lock, here is a Simple printable Pi :-) -------------------85mm tall by 5 mm thick----------------------- Great project for teachers and schools. There is also some more room for some Pi!
Download Model from thingiverse
With this file you will be able to print Pi 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 Pi.