I've been testing Zelph's Doodah stove recently and testing stoves seems to spawn new ideas for me. I hadn't made a new stove since the Turbo Tea-Lite so I took a break from testing and had some fun.
Just three materials are needed: A 24 oz. beer or energy drink can cut down to 5/8" tall, a 1" section of Budweiser aluminum bottle, and a wick from Plumber's cloth or fiberglass.
Assembled. Final weight is 12 grams
On fire. 15 ml boiled two cups in 5:40. Flame-out in 7:00