Delta Gem
thingiverse
No screws are required. https://twistypuzzles.com/cgi-bin/puzzle.cgi?pkey=8214 https://www.youtube.com/watch?v=gm9LIPkuHfg
Download Model from thingiverse
With this file you will be able to print Delta Gem 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 Delta Gem.