Portable Flashlight/Camping lantern

When I am camping or just outdoors, I sometimes need to illuminate a whole room or a tent. A normal headlight is not very suitable for this, as it is very directional. So, from parts I had laying around, I build this camping torch/lantern, which shines in almost 180 °, can illuminate a tent enough for people to comfortably read a book and can be hanged from the ceiling or stood on a table. It is powered by an 18650 battery, there are two power levels and it has a 3 W LED.

The model is really