Laterne

Latern for Fielddays ,Camping, as working lamp on the desk etc.
Uses 4 single switchable LEDs and an internal battery.
I am using 3W-LEDs and 4x 2Ah batteries, so i can use all 4 LEDs for 2h or one single LED for 8h.
The LEDs are glued to the heat sink. Maybe you should isolate the heat sink to the reflector if you use PLA.

There is space for 4 LiIon-Batteries in the base.
If you need more space for soldering or bigger batteries you need to add 3-5mm or just cut the inner wall for the