Ключевые слова: abstract, art, background, black, computer, decoration, dimension, dimensional, escher, experiment, eyesight, frame, geometric, geometry, graphic, illusion, illustration, imagine, impossible, item, join, loop, magic, minimal, mobius, monochrome, nano, novelty, optical, originally, pattern, physics, rectangle, round, science, scientific, shape, simple, symbol, technical, test, think, threedimensional, triangle, trickery, visual, wallpaper, white,