The D70 Sofa is a highly versatile “seating machine”. It can be changed from a sofa into a guest bed without much effort. A modern design icon. The D70 was designed by Osvaldo Borsani in 1954 for Tecno Italia. The D70 received the Triennale Diploma D’onore, Milan in 1954. Structure: metal structure, black or chrome lacquered base. Upholstery: polyurethane foam with interchangeable upholstery. Customers can choose between fabric or leather samples provided by Tecno, or, customers can provide their own upholstery grade fabric or leather.