Dummy Batteries
thingiverse
A lot of things run on batteries when they aren't really mobile devices, this allows you to print dummy batteries with bolt holes for an easy, solderless, connection to an AC adapter of the correct voltage.
Download Model from thingiverse
With this file you will be able to print Dummy Batteries 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 Dummy Batteries.