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Universal Ruler / Ruler

Universal Ruler
Universal Ruler

This is a universal ruler for left-hand users. The ruler uses symbols to replace numbers. We choose only the symmetric symbols so they looked the same no matter which side you use the ruler. And the symbols used are easy to understand and recognize.

University

Hubei University of Technology

Hubei University of Technology
Wuhan, China

Design

Hubei University of Technology

Hubei University of Technology
Wuhan, China

Shi Yuanwu Wu Chongxiang