锁扣，登山扣，钥匙扣，安全扣，塑料卡扣Fastener, hiking fastener, key chain, safety fastener, plastic fastener

塑料卡扣，不分件一件打印，打印完将锁舌掰回即可，可以和其他制品配合使用，高度约60mm，筋直径约6mm粗，可挂6mm以内钥匙扣，pla只能打这种S型弹簧，其他类型都弹性太差

Plastic clasp, regardless of a piece of printing, the lock tongue can be snapped back after printing, can be used with other products, the height of about 60mm, the diameter of the rib is about 6mm thick, can be hung within 6mm key chain, pla can only play this S-type spring, other types of elasticity is too poor