Circle Ball Puzzle
thingiverse
People have discovered that packing circles onto a sphere creates a simple yet challenging problem: extracting the smaller sphere from within the larger one. Demo: https://www.youtube.com/watch?v=WyIfEPNG2wI
Download Model from thingiverse
With this file you will be able to print Circle Ball Puzzle 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 Circle Ball Puzzle.