三维图形编辑系统，可以添加简单的3D图元，并进行修改操作。VC++,OpenGL的结合，希望对三维系统有系统的开发者有帮助。-Three-dimensional graphics editing systems, you can add simple 3D graphic element, and modify operations. VC++, OpenGL combination, and they hope to have the system of three-dimensional s