Ключевые слова: abstract, crystal, design, diamond, dodecahedron, editable, education, figure, form, geometric, geometrical, graphics, hexagon, hexagonal, icon, illustration, line, linear, logo, octahedron, outline, pentagon, perfect, pictogram, pixel, polygon, polyhedron, prism, pyramid, shape, sign, simple, single, stroke, structure, symbol, tetrahedron, web,