3D打印技术是当前的科技发展前沿，目前已经在很多行业和领域得到了广泛的应用，3D打印技术引领了第 三次工业革命，推动了制造、生产的突破性变革。本文首先对3D打印技术的原理进行了阐述，然后讨论了3D打印技术与教育 的关联性，最后就3D打印技术在国家开放大学实践教学中的应用进行了探究。

3D printing technology is the current frontier science and technology, which has been widely used in many industries and fields. 3D printing technology leads the third industrial revolution, promoting breakthrough in manufacturing and production. This paper firstly describes the principle of 3D printing technology, and then discusses the relationship between 3D printing technology and education, and finally explores its application in the practical teaching of national open university.