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Smart Thumbtack / Thumbtack

Smart Thumbtack

It is very easy to get hurt hands when people take the thumbtack out of the box for use. This design, solve this problem effectively .

University

Sichuan Normal University

Sichuan Normal University
ChengDu, China

Design

Sichuan Normal University

Sichuan Normal University
ChengDu, China

Zuolin Wu/Siji He/Donglin Su/XiaoRen