Now in garment CAD , the armhole curve was shaped by designer to choose some model value points , and was completed by using these model value points to form free-form curve , it has some contrived sense datum .
目前服装CAD中袖笼曲线的形成是通过设计师选定一些型值点后,用过型值点的自由曲线完成的,人为经验因素较多。