Ключевые слова: 3d, abstract, art, background, blue, convex, crystal, cube, design, dodecahedron, earth, education, element, esoteric, euclidean, form, geometric, geometry, graphic, group, hexahedron, icon, icosahedron, isolated, line, mathematics, mineral, object, octahedron, pentagon, pentagonal, perspective, platonic, polygon, polyhedron, prism, pyramid, regular, sacred, sacred geometry, shape, sign, solid, square, structure, study, symbol, tetrahedron, triangle,