On a Sunny Dayacrylic on canvas, 2008Heinz Mack, German, founder of Zero Movement
On a Sunny Dayacrylic on canvas, 2008Heinz Mack, German, founder of Zero Movement -- source link
#zero group#op art#heinz mack
#zero group#op art#heinz mack
On a Sunny Dayacrylic on canvas, 2008Heinz Mack, German, founder of Zero Movement -- source link