一图案不是独立欣赏的造型艺术,它的装饰功能是从属于工艺的,受生产方式、制作材科、装饰对象以及各种用途等的制约。凡为图案之目的的造型,不论平面的还是立体的,都毫无例外的要受到工艺制约的局限,人物图案造型当然也不能摆脱这种制约。工艺制约,就直接决定着造型的方式、方法、风格和特点。就平面造型而言,例如剪纸图案,由于受材料和加工方法 A pattern is not independent of the appreciation of the art, its decorative function is subordinate to the process, by the mode of production, making materials, decorative objects and a variety of uses and other constraints. For the purpose of the shape of the pattern, regardless of the plane or three-dimensional, are no exceptions to be subject to the limitations of technology constraints, of course, figure pattern can not get rid of this restriction. Process constraints, directly determines the shape of the way, method, style and features. For flat shapes, for example, paper-cut patterns, due to materials and processing methods