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Magic-Ruler / Ruler

Magic-Ruler
Magic-Ruler

When we draw a long line, it is very common that the length of ruler isn’t enough, so we have to divide the line into several parts but at the same time this will introduce more errors.
When we draw a long line, it is very common that the length of ruler isn’t enough, so we have to divide the line into several parts but at the same time this will introduce more errors.
This design can solve the above problems completely by using the principle of physical orbit. It has the advantages of small size and portability and also can help to draw longer line accurately.

University

shaanxi university of science & technology

shaanxi university of science & technology
Xi'an, China

Design

shaanxi university of science & technology

shaanxi university of science & technology
Xi'an, China

ChaoRen; XinJin; DanGao; DiguanFen