Ключевые слова: architect, architecture, backdrop, background, black, blank, centimeter, chart, concept, design, diagram, engineering, geometric, geometry, graph, graphing, grid, illustration, inch, industrial, isolated, laptop, line, math, mathematics, measure, measurement, mechanics, meter, metric, millimeter, paper, pattern, plotting, precise, quadrant, scale, school, scrapbook, sheet, single, square, squared, technical, technology, template, texture,