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sandsharpener / sharpener

sandsharpener
sandsharpener

The sharpener does not throws away but keeps the powder of the carbon in the container,which mimics the sandglass for recreation and timing when studying.

University

Zhejiang University

Zhejiang University
Hangzhou, China

Hangshuai Wei

Design

Zhejiang University

Zhejiang University
Hangzhou, China

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