Ключевые слова: abstract, black, collection, contour, crystal, cube, decoration, design, diamond, element, emblem, flat, geometric, geometrical, geometry, heptagon, hexagon, icons, illustration, line, linear, math, modern, octagon, outline, pattern, pentagon, polygon, quadrilateral, rectangle, school, set, shape, sign, square, symbol, template, trendy, triangle, vintage, white,