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Tortoise Pen / Tortoise Pen

Tortoise Pen
Tortoise Pen

There are two kinds of ball-point pen we usually use.One of them is telescopic,while another has a lid.A telescopic pen uses
more material compared to the pen with a lid.And the pen which has a lid usually lost its lid easily.Our design combines the
advatanges of two kinds of pen.It saves material compared to a telescopic pen and avoids the worry to lost your pen lid.

University

Yan Shan University

Yan Shan University
Qinhuangdao City of Hebei Province, China

Design

Yan Shan University

Yan Shan University
Qinhuangdao City of Hebei Province, China

Zhou Hongyu Wang Huihui Liang Yakun Du Yunjie