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Extendable Ruler / Ruler

Extendable Ruler
Extendable Ruler

The ruler with fixed length has several limitations during using. For example, it can not deal with the conditions of exceeding when drawing line, cutting or measuring. The extendable ruler is composed with 3 embedded structures, which help to achieve the max length 3 times of the ordinary length. It can be used widely for different requirements of length.

University

Dalian Minzu University

Dalian Minzu University
Dalian, China

Design

Dalian Minzu University

Dalian Minzu University
Dalian, China

Haimo Bao , Yusheng Yin , Weiyin Luo , Huanle Li