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Triangular key / key

Triangular key

While opening a door in the dark night,we always have to try twice to succeed since we cannot tell the right direction of the key, and this cause users unnecessary problems.Triangular key solved this problem,the tail of the key was designed into triangle which indicates clearly of the direction of inserting,users can touch the tail of the key to tell instantly which is the right dirction.

University

Zhejiang Sci-Tech University

Zhejiang Sci-Tech University
Hangzhou, China

Design

Zhejiang Sci-Tech University

Zhejiang Sci-Tech University
Hangzhou, China

Hanlin Wang,Wei Ma,Shanfei Chen Junjie Xiao