TETRing
grabcad
For those who miss the famous Tetris played on Nintendo's Gameboy, this ring features an inner diameter of 18.2mm.
Download Model from grabcad
With this file you will be able to print TETRing 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 TETRing.