大部分的程序都是来源于最早的3 - D打印机的模式：立体平版打印机。
Most processes can trace their roots back to the earliest form of 3-d printing: stereolithography.
该技术是南加利福尼亚的3d系统公司先研制出来的，最早的商业立体平版打印机产于1986。
It was pioneered by 3d Systems, based in South Carolina, which made the first commercially available stereolithography machine in 1986.
应用推荐