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"Pick It Up" Ruler / ruler

The principal problem of rulers is that they are so flimsy that it is not easy to pick them up from a flat. The idea of adding a slope under one edge of the ruler allows people to easily pick it up by pressing down the said slop to let the ruler tilt up according to the lever principle. Meanwhile, in case who uses a ruler to draw lines with a marker might easily leave ink marks on both the ruler and paper. But with the space left by the slope, the ink of the marker will not be connected with the ruler to leave spots. Also the ruler can be used with both sides, an additional function is provided to the ruler without changing its form.


Beijing Forestry University

Beijing Forestry University
Beijing, China


Beijing Forestry University

Beijing Forestry University
Beijing, China