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M-Ruler / office/ workspace

M-Ruler
M-Ruler

M-Ruler is a multifunctional ruler which combines thefunctions of ruler and triangle plates in one, there are three different angle lines on M-Ruler,these three lines provide a simple method of drawing 30° angle,45 °angle,60 °angle,90°angle,120°angle,135°angle and 150°angle. Its shape simple easy to produce.

University

Xi'an University of Technology

Xi'an University of Technology
XI'AN, China

Design

Xi'an University of Technology

Xi'an University of Technology
XI'AN, China

Huan Zhou,Zhaohua Zhu,Xiang Ji,Haihui Xu