The Ghostbuster Proton Pack with lights.
If you want to build a flashlight you may want to use white LEDs.
You need:
3 x 200 Ohm resistor
4 x red or white 3mm LEDs
1 x blue LED
small switch
3 x AAA batteries
small screw
The Pack fits the 250% Ecto-1
(https://cults3d.com/en/3d-model/art/ecto-1-with-lights-and-sound-with-detailed-instruction)
Printer Brand:
Creality
Printer:
Ender 3 Pro
Rafts:
No
Supports:
Yes
Resolution:
0.1
Infill:
25%
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.