Power switch
thingiverse
People often use a 12-volt power switch that has a built-in "on" indicator light, designed with precise real-world dimensions. This particular device was created using the Tinkercad platform, and it can be edited online at https://www.tinkercad.com/things/lXgdCT0OOHo
Download Model from thingiverse
With this file you will be able to print Power switch 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 Power switch.