用实体造型方法探讨中国仿古建筑方亭顶部的计算机绘图技术，同时，对形成该顶部的曲线和曲面进行了较深入的分析。

This paper analyses the curves and surface of the top of a Chinese ancient pavilion, in order to discusses the computer drawing method by the solid model technique.

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实际系统测试表明，该系统实现了2D绘图与快速生成特征实体模型的高度集成。

The test result of actual system shows that the system has realized the highly integration of 2D sketch and quick generation of features'solid modeling.

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