
Italian sofa model D70 designed by Osvaldo Borsani for Tecno in 1954 with metal frame, Tthe D70 was presented for the first time as a “patented sofa bed” at the exhibition of individual furniture in the tenth exhibition of the 1954 Triennale.
Bibliography:
Giuliana Gramigna – Repertorio del Design Italiano 1950-2000 – Per l’arredamento domestico Vol 1 – pag 34