Ключевые слова: angle, area, arrow, background, caliber, cm, contour, corner, design, diagonal, dimension, double, draft, draw, drawing, engineering, figure, frame, geometric, geometry, height, icon, illustration, inch, isolated, line, linear, math, mathematics, measure, meter, minimal, mm, outline, plain, plan, rectangle, scale, shape, simple, size, sketch, stroke, symbol, technical, thin, volume, white, width,