(this is a butter fly knife, if it hurt people, not my problem.) if u huys want me to make more butterfly knife model for 3-D printing. you can tell me the kind of that butterfly knife in comment area and send me the picture of it. 如果你想让我制作更多的3D打印蝴蝶刀模型。 你可以在评论区告诉我那把蝴蝶刀的种类，然后把它的照片发给我。 email 邮箱地址：32qh01@sis.org.cn