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Adjustable color pen / color pen

Adjustable color pen

As we all know, mark pen is the designers an essential drawing tools.As a professional designer, you is a lot of Mark pen desktop worry, if you worry about finding the right color number.This design is to solve the above problem as a starting point.

University

Zhengzhou University of Light Industry

Zhengzhou University of Light Industry
Zhengzhou, China

Xinbo Qu,
Zhengzhou University of Light Industry

Lei Yang,
Zhengzhou University of Light Industry

Chengyong Li,
Zhengzhou University of Light Industry

Jiajun Zhou,
Zhengzhou University of Light Industry