ball in cube
thingiverse
There's a small metal core underneath the ball. It doesn't affect the overall design, serving only as a support for the ball itself. You have the option to keep or remove it once you've printed it out.
Download Model from thingiverse
With this file you will be able to print ball in cube 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 ball in cube.