Ключевые слова: 3d, background, centimeter, color, colorful, concept, corner, creative, design, dimension, drawing, education, element, equipment, flat, frame, geometric, icon, illustration, inch, isolated, length, line, mark, math, measure, measurement, meter, minimal, minimalism, object, pink, render, rendering, rule, ruler, scale, scheme, school, shape, sign, simple, size, square, stamp, straightedge, symbol, tool, triangular, web,