Cady Noland, Frame Device, 1989, Pipes, stanchions, 12 walkers. 132 x 132 x 54 in. (335.3 x 335.3 x 137.2 cm). Gaby and Wilhelm Schürmann, Herzogenrath, Germany; courtesy David Zwirner, New York. Courtesy of the artist and David Zwirner Gallery, New York.