You might like Left Right Untitled Joseph Beuys 1980 Sostanza Plastica Joseph Beuys 1965 Pyramidal image Joseph Beuys 1979 Untitled Joseph Beuys 1983 Red on Centre Joseph Beuys 1984 Yellow on Centre Joseph Beuys 1984 Blue on Centre Joseph Beuys 1984 Double Quartet Dieter Roth 1971 Tilsit Reinhard Mucha 1987 Double Ringed Movement Barry Martin 1966 Double Cross Thomas Schütte 1988 Corner Cloth Reiner Ruthenbeck 1974, 1975