楼上各位姐妹要床罩pattern 的看进来：

图解我找不到了，这里有两个优酷的link，很详细的讲解：

http://v.youku.com/pad_show/id_XOTMwMTc3NTcy.html?x=&sharefrom=ipad&from=singlemessage&isappinstalled=0&source=

http://v.youku.com/pad_show/id_XOTIyNjEzMzcy.html?x=&sharefrom=ipad&from=singlemessage&isappinstalled=0&source=