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Careful / Pencil sharpeners

Careful
Careful

Today, the use of pencil sharpener has been very popular, but for different users, cut out the length of the tip does not seem to make a pencil becomes handy. Because different use of the environment, people will use different nib length. To solve this problem, "be careful" design came into being.

University

Zhongyuan University of Technology

Zhongyuan University of Technology
Zhengzhou City,Henan Province, China

Design

Zhongyuan University of Technology

Zhongyuan University of Technology
Zhengzhou City,Henan Province, China

Quanwei Li