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SQUARE-CIRCLE MARKER PEN / PEN

SQUARE-CIRCLE  MARKER PEN

Through the shapes of the cap, the problem of distinguishing the size of the nib at the two ends of the traditional marker pen is well solved. From a tactile perspective, the feel of the arc-shaped capping area allows users to quickly identify the type of nib; visually, the square-shaped cap at the top allows users to visually identify the type of nib.

University

Central South University of

Central South University of
Forestry and Technology
Hunan Changsha, China

Zhongyang/Zhang,
Changsha University Of Science & Technology

Ao Zhang,
Central South University of Forestry and Technology

Luyao/Li,
University of South China

Jiaxun/Dong,
Changsha University Of Science & Technology