“万能万物制造机”过去只存在于科幻作家的笔下,人们觉得它离现实太远。然而,如今的3D打印机正扮演着“万能万物制造机”的角色,成为21世纪的科技焦点。它可以在一分钟内“打印”一支笔、一条项链,在极短的时间内“打印”一辆轿车、一架飞机甚至一幢大楼。难道真有这么神奇?3D打印究竟是如何实现的? “Almighty ” creator “used to exist only in the writings of science fiction writers, people think it is too far from reality. However, today’s 3D printers are playing the role of ”all-purpose manufacturing machine“ and become the focus of technology in the 21st century. It can ”print" a pen, a necklace, print a car, a plane or even a building in a matter of minutes. Is it really amazing? 3D printing exactly how to achieve?