AA Dummy
thingiverse
This allows you to use one AA instead of 2. Instructions Get a piece of tin foil and put it through the center hole
Download Model from thingiverse
With this file you will be able to print AA Dummy 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 AA Dummy.