The gradual y disappearing surface is used widely in the product outward appearance modeling design,it not only makes the product appearance more beautiful,but also increases its comfort. Through analyzing its characteristics,this paper describes its general construction method. And combined with two types of gradual y disappear surface, the surface modeling methods are dem-onstrated,and the general gradual y disappearing surface treatment techniques are summarized.%渐消失曲面在产品外观造型设计中应用广泛，既可优化产品外形，又可增加产品的舒适度。分析了渐消失面的结构特点，阐述了典型渐消失面的构建方法，并结合两类渐消失面实例对渐消失面的构面方法进行了深入展示，对典型渐消失面处理技巧进行系统归纳总结。
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