It sounds like you want to use your double walled stove as the pot support as well as the stove. That's a good idea since it saves the weight and fiddle factor of a separate pot support. Look at Fuzzy's Li'l Stove on the Zen site. It is also the pot support and always works - even in cold weather. Made with a V8 can, it will weigh 0.25 oz. It is an efficient fuel user as well unless the pot is very narrow. And it takes about 5 minutes to make. I used one on two thru-hikes - alternating with Esbit just out of cussedness on the second hike.