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Triangle It gives an innovative way to reduce roll paper consumption to achieve environmental protection. Most people feel comfortable using paper at a certain level of thickness and hence they fold the paper. By reengineering the cutting-marks on the paper from rectangle to equilateral triangle, People get same level of thickness with less paper. And furthermore, this design will increase the utilization of paper given people only use the central part of the paper to clean the stains.
Yuchen Cao, Ken Chen, Ran Duan, Qingfeng Zhuang