Ключевые слова: 3d, abstract, architect, architecture, background, blueprint, business, circle, compass, concept, conceptual, construction, design, designer, desktop, diagram, dividers, draft, drafting, drawing, education, engineering, equipment, geometry, icon, illustration, industry, instrument, isolated, line, mathematics, measure, metal, object, office, pair, paper, plan, practical, precision, project, school, sketch, stationery, structure, symbol, technical, tool, white, work,