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V-Ruler / Ruler

V-Ruler
V-Ruler

A subtly angle design of V-Ruler offers an efficient writing experience. When your finger press it gently, it could form an angle, which not only make no scratches on your paper, but also make you pick up the ruler easily.

University

China Zhengzhou Institute of

China Zhengzhou Institute of
Aeronautical Industry Management
Zhengzhou, China

Design

China Zhengzhou Institute of

China Zhengzhou Institute of
Aeronautical Industry Management
Zhengzhou, China

Hanpu Liu Guoqing Li Taiming Suo Chenyang Chen

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