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This drawing tool combines a compass and a ruler. Students often use ruler and compass for mathematical calculations. However, the sharp needle tip of the traditional compass is a risk factor, especially for children. This safe tool works without a needle, nonetheless allowing students to draw perfectly straight lines and perfectly curved arcs.
Hangzhou BUGU Industrial Design
Zhejiang Gongshang University
Hangzhou College of Commerce
Yangchao Cai, Yu Shen, Zhenni Li