This one is very lightweight and easy to use.
It tooks only two minute to build and the weight is about 10 gramm.
Step 3: Fold
We can use a tang or just your fingers. One or two millimeters are enough.
Step 4: The burner
You can take a piece off your old jeans or something else but take no syntetic.
Step 6: Cut
First smal holes on the outer circle and then smal holes on an inner circle.
Finally cut two lines in the centre.
Open the four triangle in the middle.
Step 7: Use
The stove will heat two cups off coffee or soup for you easily.
Never use gas or other stuff, only methyated spirits.