Above: Light and sun protection louvers as hollow, painted sheet metal structures on a school building in Sion, Switzerland. Architects: Schmid & Girardet, Sion. Iron grilles as privacy screens in front of a ribbon window at the Galleria d'Arte Moderno in Milan. Architect: Ignazio Gardella. Below: French pavilion at the 1962 Milan Triennale. Facade cladding with uniform stainless steel sheet elements. Architect: Marcel Roux.
