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YanhuiChen / Product 1.07 office


When we write, pencil rolling countless times , falling to the ground,fragile  refill  , pencil run out far more than we think, so it is a giant waste of resources . The design for these shortcomings will be put the pencil into a square head that increases the contact area with the desktop pencil, thus avoiding the phenomenon of rolling, which also saves resources. 


Chengdu University of Technology

Chengdu University of Technology
Chengdu china, China