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Straight “Angle Ruler” / angle ruler

Straight “Angle Ruler”
Straight “Angle Ruler”

Straight Angle Ruler give users a new way to draw angle. With this design, users can draw seven different angles by only one ruler. Straight angle ruler can be bent to different angles with an elastic inside. Using Straight Angle Ruler, by contrast, can draw a more precise angle.

University

Beihang University

Beihang University
Beijing, China

Yinshuai Zhang,
Tsinghua University

Shuai Chang,
Tsinghua University

Nanjin Chen,
Tsinghua University

Hansi Zhao,
Beijing University of Technology