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O-calendar / calendar

O-calendar

Comparing with the normal calendary,the O-calendary is environmental.Because it can be used year by year.People just need to spin the disc to change the date including week and month.

University

Ningbo Institute of Technology,Zhejiang University

Ningbo Institute of Technology,Zhejiang University
Ningbo, China

Design

Ningbo Institute of Technology,Zhejiang University

Ningbo Institute of Technology,Zhejiang University
Ningbo, China

Heng Xu Dongbing Chen Xiangrui Lv Yuqin Zhang