Dodecahedron
thingiverse
A person takes a parametric dodecahedron. If they print it large enough, a steel ball with a diameter of 9 millimeters will fit inside it. They pause printing, insert the ball, then resume printing to create a unique small keychain.
Download Model from thingiverse
With this file you will be able to print Dodecahedron 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 Dodecahedron.