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量角器 / 瓶盖

量角器
量角器

This is a simple learning appliance designed for poor areas. The bottle cap is redesigned, the protractor is integrated with the bottle cap, and the degree of the Angle is marked by anti-slip lines. Use more readily available resources to meet children's needs for school supplies.

University

Hubei University of Technology

Hubei University of Technology
Wuhan, China

Jiamin Fan,
湖北工业大学

Jun Li,
Hubei University of Technology

Mengyuan Zeng,
Hubei University of Technology

Mingyang Zhang,
Hubei University of Technology