Back cover
thingiverse
The pieces tend to fall off unless you're playing on a table. This cover helps prevent that. You can super glue the frame to this back cover to make it one piece.
Download Model from thingiverse
With this file you will be able to print Back cover 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 Back cover.