Cassina Portovenere restoration and new upholstery. This sofa was designed by Vico Magistrati in 1989. The goal of our makeover is to maintain the appearance and aesthetics of the originals and where necessary improve the internal quality. Kvadrat wool lining. Restoration made for our customer from Gorizia.. The goal of our makeover is to maintain the appearance and aesthetics of the originals and where necessary improve the internal quality. Kvadrat wool lining. Restoration made for our customer from Gorizia.