2-Side Slant Year 1980 Medium sculpture Materials acrylic, birch plywood, mirror Dimensions 31.25″h × 25.25″w × 5″d ← What Scale (1981) Complex Square 1 (1980) → Related works Complex Square 1 1980 Dyad 1980 Ever Present Square - Six - Red 1980 Frame of Reference 34th Scale 1980