Ключевые слова: 3d, abstract, ambiguity, ambiguous, art, blank, block, box, brain, brick, building, chart, color, compact, complex, complexity, concept, construction, cube, design, diagram, element, figure, floating, geometric, graphic, gray, grey, grid, icon, illusion, illustration, isolated, isometric, logo, logotype, math, object, optical, puzzle, science, shape, shiny, sign, square, structure, style, symbol, white,