Ключевые слова: 3d, asterix, closeup, cogwheel, component, concept, control, copy, detail, drive, education, educational, engineering, equipment, extrusion, fragment, future, gear, gearing, homemade, industry, instrument, lathe, machine, machinery, manufacture, manufacturing, mechanism, melting, model, modeling, numerical, part, pinion, plaster, plastic, print, printer, printing, production, prototype, reprap, science, technology, thermoplastic, tool, transmission,