Simple yet so dynamic, the colored glass roof over the entrance at the power station of Terlinden, the former textile dyeing company in Küsnacht, Switzerland, is a moving work of art. Using concept colors from the Chromatic Circle of Johannes Itten, artist Ritchie Riediger fills the 100m2 glass roof with colored rectangular panels interspersed with grey panels. As daytime passes, the artful shadows of the glass roof move across the building’s façade, main entrance, and even the adjacent road to create a transient work of art that anyone can enjoy.

Of the design, WOCA juror Paul Eis says, “Through its simple but intelligent composition, it is not only a single object but interacts with the whole surrounding in an expressive way. The play of light, shadow, and color shapes the whole place new at every time. With this, it moves the time as a fourth dimension of architecture in the foreground.” The glass canopy is a functional piece of art that was fabricated by FlachGlas using red, yellow, blue, orange, violet, green, and grey Vanceva PVB interlayers.