by Alekseev_D, published
Night Light Diamond.
Soft blue light.
Plug in ~220 V.
I disassembled the factory and took a night light plug.
Plug, and the holder of the ABS.
Diamond from transparent blue PLA. Only the perimeter.
Clipped to the top diamond.
Soldered Electrical: diode on 1000 V, resistor 100 kOm and the LED.
Plus LED (long leg) to the resistor.
Screw socket and holder.
Please note: I do not know how to lead the scheme in the long operation. Resistor can overheat.