Bitcoin (very simple)
thingiverse
Get yourself some BTC, even if you can't afford it ;) Very simple print and design.
Download Model from thingiverse
With this file you will be able to print Bitcoin (very simple) 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 Bitcoin (very simple).