Mario Cananzi and Roberto Semprini (Italian, b. 1958 and b. 1959), Tatlin Sofa, designed 1989, manufactured by Edra, steel spiral frame with blue velvet upholstery, on chrome base, retains Edra label, height 134 cm width 210 cm depth 175 cm, Labels: based on the Tatlin tower by Vladimir Tatlin, preserved in the Beaubourg Museum in Paris.