Education > Rolling ruler > Red Dot

Design

Park Chanju, Lee Hwayeon
South Korea

Rolling Ruler is a ruler that moves forward and it works on the same principle as the wheels of a tank. Although its basic size is small – 15 centimetres – it can draw an infinite straight line and take measurements in the process because it can increase the line length easily by rolling forward. Length is not written on the Rolling Ruler but only the graduations are marked. The length can be estimated by markings in 5-centimetre intervals.

Rolling Rule

Draw endlessly long lines with the Rolling Ruler! Modeled on the principles of the moving wheels of a tank, this 15-centimetre standard ruler can assist with drawing infinite straight lines.

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