Ключевые слова: 3d, 3d printer, abstract, background, blank, blue, blue backlight, box, business, computer, concept, content, copy, copy space, cover, design, digital, education, electronic, element, empty, engineering, extrude, fabrication, frame, front, future, industrial, innovation, inside, machine, maker, manufacturing, material, model, object, office, plastic, print, printer, printing, product, production, prototype, revolution 40, shape, space for text, symbol, technologies, threedimensional,