UG 3D Grip程序，自己开发的程序，在3D中遍历实体面的程序，变换实体面颜色-UG 3D Grip program, its development process, solid surfaces in the 3D program in the traversal, changing the color solid surfaces

这是ASCII码在三维视图中的标准文件格式的常用文件，是开发AutoCAD，ProE，UG，CATIA的常用格式。国内用的不是太多。-This is the ASCII code in a 3D view of the standard file format commonly used files, is the development of AutoCAD, ProE, UG, CATIA common format. Domestic use is not too much.

UG用于3D标注的二次开发代码，包括3D标注的检索、查询及修改-for the 3D tagging of UG

这是一个solidworks二次开发后的插件，可以实现自动绘图。-It s a plugin for Solidworks,in order to bulid a 3D model we need automatically.