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Cut Needle / needle

Cut Needle
Cut Needle

Cut Needle

When finish sewing, how to cut the thread off? Scissors?
What if you do not have scissors around? Teeth?
Autotomy is designed to solve the very problem.
In the eyes of the needle, there is a sharp shape. Take use of the principle of stress concentration, the thread can be easily cut off.

University

Zhejiang University

Zhejiang University
Hangzhou, China

Ying fangtian,Li Bing,Li Xinrui,Li Zhenpeng,Tao Jun, Gao Shanshan

Design

Zhejiang University

Zhejiang University
Hangzhou, China

Li Bing,Li Xinrui,Li Zhenpeng,Tao Jun, Gao Shanshan,Ma tailang,Feng Kai