Its predecessor, the Well Tempered Chair, made design history. The strange formal idiom, the completely novel use of materials, the simple structure and the truly unconventional sitting feeling swiftly made the iconic design of 1985 known the world over.Ron Arad first presented his new Bad Tempered Chair at the Milan International Furniture Fair in 2002. It is made of a specially developed plastic, enabling it to withstand rough use and remain highly flexible