Using polyester as needle thread and elastic thread as looper thread Utilizing varied modal cams,andcombining these cams with ornamental thread,could create the varied smocking patterns.

• 此机上线采用普通线,下线采用松紧线。运用多款式样的凸输花盘，再与装饰线互相搭配，创造出种类繁多且吸引人的花样图案。