Battery Spring maker
thingiverse
Use this to craft nearly perfect springs for your DIY battery holder. Insert an M4 screw into it, secure it in a vise or any other device you prefer and then wrap a wire with a diameter of up to 1mm around it. This will create the ideal setup for your needs. This product was created using PLA. The design can be edited online at https://www.tinkercad.com/things/ei4JgxyL1C0
Download Model from thingiverse
With this file you will be able to print Battery Spring maker 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 Battery Spring maker.