Explanation of optical art, an artistic development in the 1960s, and how it achieved its singular effects

From impossible shapes to three-dimensional sketches and trick art, you won't believe your eyes as you learn to draw optical illusions in graphite and colored p

"Neural networks do not understand what optical illusions are." - Technologyreview.com "Some pictures tell a thousand lies." - hplyrikz.com An optical illusion

Published to accompany an exhibition at the Columbus Museum of Art, Ohio, this book examines the development of the Op Art movement, its cultural context, and i