seesaw-rular / seesaw-rular

This ruler utilizes the design of a seesaw.It allows minimal contact with the paper surface in order to maintain a cleaner surface.The hump at the bottom of the rule will make the ruler fall on one side,and the ruler only contact the paper at the edge of the ruler,It lessens the fiction between the ruler and the paper.The design will keep the paper surface clear, whereas the ruler will be easier to pick up.