Ключевые слова: 2d, abstract, architect, architectural, architecture, backdrop, background, black, blank, blueprint, check, checker, coordinate, design, drawing, engineering, geometric, geometry, gird, graph, graphic, grid, lattice, layout, line, mat, math, matrix, millimeter, mm, neutral, notebook, page, paper, pattern, plan, rectangle, school, sheet, sketch, square, tech, technical, technology, template, texture, thin, wallpaper, wide,