模仿CAD绘图软件，可绘3D图形。主要解决了VB处理矢量图的问题，而且可生成3D预览图。很完整的源代码. -imitate CAD software, 3D graphics can be drawn. VB mainly to solve the problem of vector processing, but also generate 3 D preview map. Very integrity of the source code.

一个Delphi开发的矢量3D绘图源代码-abstract : drawing 3D shapes and changing the camera and screen position with the mouse key words : 3D graphics, geometry, perspective, floodfill, vector graphics, camera, World view, homogeneous transforms software use