Ключевые слова: 20s, 30s, 3d, african, aided, american, black, business, cad, caucasian, com, computer, design, designer, dimension, dimensional, engineer, engineering, equipment, female, filament, horizontal, innovation, laptop, machinery, male, men, mixed, model, occupation, office, out, people, person, plastic, polymer, printer, printing, prototype, prototyping, race, rapid, shape, small, software, studio, technology, thirties, three, twenties, two, women, working,