Connect 4 Shots Ball Holders
thingiverse
If you have the game Connect 4 Shots (bit.ly/connect4s), you can hold your balls in this to keep them from rolling around. You need to print 4 for all of the players, but this can work for other ping-pong ball games.
Download Model from thingiverse
With this file you will be able to print Connect 4 Shots Ball Holders 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 Connect 4 Shots Ball Holders.