Act of Squared Reflection Year 1976-80 Medium installation Materials mirror, wood, acrylic Dimensions 60″h × 120″w × 120″d ← Reflected Sky Horizon Window (1977) Reflected Illusion Squared (1976-78) → Related works All Airline Everything (two cylinder paintings shown) 1968 Reflected Illusion Squared 1976-78 Tua Jewel 1972