Ключевые слова: 3d, 3d printing, additive, additive manufacturing, background, business, cad, computer, concept, control, create, design, digital design, dimensional, form, fusing, industry, innovation, layers, layers together, laying, manufacturing, material, metal, model, note, physical object, plastic, printer, printing, process, prototype, prototyping, technology, text, threedimensional, word, work,