Zhou Zhiyun stresses that cotton wadding and polystyrene each have their good points. It is very time-consuming to stuff cotton wadding by hand because it has to be packed in so tightly that it is practically as hard as a rock, but this method yields a very beautifully curved shape and a strong feeling of 3D relief. The dragon's body is small and very pretty.
周至雲強調，手工塞棉雖然費時，必須塞到緊實得像石頭一樣，但塑形的彎曲度佳，立體感相對提升，龍身小巧好看；保麗龍以機器裁切，能夠快速裁出所要的形狀，重量輕盈，且龍身較挺直，各有特色。