Chasen, designed for Flos by Patricia Urquiola, is a suspension lamp that provides diffused lighting. Chasen consists of a chemically photo-etched stainless steel body and borosilicate diffuser, a die-cast aluminum base, and a 30 percent fiberglass reinforced polyamide ceiling rose attached to a pressed and galvanized steel ceiling fixture. In this version, the light emission can be adjusted by means of a mechanical movement that opens the louvers, thereby varying the shape of the luminaire.