Two 3D modeling methods for square dome shaped pipe (SDSP) ar e presented in this paper, i.e. manual modeling method by means of relative comm ands provided by AutoCAD and automatic modeling method by means of AutoLISP prog ramming.

• 提供了天圆地方三维模型的两种建模方法,即利用相关命令手动建模方法和利用AutoLISP编写程序自动建模方法。