diamond display (fake diamond)
thingiverse
You'll need to grab a switch, a resistor, and two LEDs, as well as a power source - I successfully employed a USB cable for this project with fantastic results
Download Model from thingiverse
With this file you will be able to print diamond display (fake diamond) 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 diamond display (fake diamond).