RCA student builds stool from 10 steel rulers and one bolt

Mayank Patole, a master's student at the Royal College of Art in London, made an eight-pronged stool from 10 stainless steel rulers held by a single nut and bolt. It is one of 23 single-tool stools at The Lavery in South Kensington, London, for One Tool, One Stool at London Design Festival, Dezeen reported.