When you use a wire or conductive thread to connect the power source (which holds a 3 volt button cell) to an LED you place into the hole in the diamond shaped pendant, a well glow should emit from it. This works best with white filament as it doesn't taint the color of your LED.
P.S RGB's make for a fun time
Jewel_2_GEO_1_MKII_-_fixed.stl | 23.2KB | |
Jewel_PWR_1_-_fixed.stl | 22.6KB |