摘要：In this paper a new method of texture pattern mapping onto free-form surfaces with less distortion and higher suitability is *** named cf mapping method is based on the Ap- proximate Development Principle and Equidistance Correspondence *** is adaptable to various kinds of free-form surfaces with slight ***,by operating the pattern window ,dif- ferent artistic treatments——translation,rotation,reflection,sealing,*** be ***- edly,it is very practical in the CAD/CAm of artistic scope.