This is called a Swedish flame. Make your cuts like you're cutting cake, leave about 6 inches at the base, throw about a cap full of fuel oil in it. It burns up to two to three hours Can use olive oil instead of fuel oil :-) Any oil will burn!
Helsinki architect Ville Hara and designer Linda Bergroth of Hel Yes! launched their combined greenhouse and shed kit for the gardening market in 2010 and Bergroth has customised the prototype to create her own summer house