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Distance pen / Pen

Distance pen
Distance pen

Ruler is a common used tool, people use it to draw a straight line or measure the length of a straight line. because of a ruler
not easy to carry, so we can not put a ruler
with me anytime, anywhere.how to do it
when we need to it? It set measuring the
distance into a pen .So people can draw
a straight line with the measurements
anywhere . It increases a module can slide
up and down in the pen.One hand hold the slide module and the other hand promote the pen to draw and measure straight line, it is easy to carry and perate.

University

BEIJING INSTITUTE OF FASHION TECHNOLOGY

BEIJING INSTITUTE OF FASHION TECHNOLOGY
Beijing, China

Design

BEIJING INSTITUTE OF FASHION TECHNOLOGY

BEIJING INSTITUTE OF FASHION TECHNOLOGY
Beijing, China

Qi Qiu Zhuang Tian Yulei Gao