Ключевые слова: abstract, atom, balance, black, blackboard, blank, board, chalk, chalkboard, concept, construct, contour, corner, design, dodecahedron, doodle, draw, drawing, element, figure, flat, form, fractal, gem, gemstone, geometric, geometry, graphic, hand drawn, icon, illustration, isolated, isometric, jewelry, line, linear, minimal, object, pentagon, polygonal, polyhedron, shape, side, simple, sketch, structure, symbol, web, white,