Ключевые слова: 3d, 3d printing, additive, additive technology, automotive, bevel, cad, cog, cogwheel, concept, curves, design, drive, engineering, equipment, fabrication, factory, gear, geometric, industrial, industry, innovation, iron, layer, machinery, manufacturing, material, mechanical, mechanics, metal, model, part, powder, precision, print, printer, process, production, prototype, prototyping, rapid, rapid prototype, shape, sintering, small, technology, transmission,