Textual research proves it feasible to slice directly on 3-D models and abnegate STL format file that is usually used in all kinds of rapid prototyping machine, It has a significantly practical value.

• 经过本文的研究证明了通过对三维CAD模型直接进行切片处理，舍弃了STL格式文件这一目前各类激光快速成形机上通用的模型近似处理环节是完全可行的，并具有重要的实用价值。