Ключевые слова: abstract, aluminum, architecture, backdrop, background, circle, circular, conic, curve, cutout, decorated, decoration, design, element, exterior, grid, grill, hole, industrial, mesh, metal, metallic, modern, monotonous, mosaic, outline, parabolic, pattern, pipe, profile, regular, repetition, retro, round, rounded, section, shape, steel, surface, texture, textured, wall,