Derwent Proportional Scale Divider

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The Derwent Proportional Scale Divider is an aid for transferring measurements from objects, photographs and sketches to a different surface, and to create alternate sizes. A traditional tool that dates back to the great artists of the 16th Century, the scale divider can be used to increase or decrease the size of an image, and it is helpful in achieving the correct perspectives in drawings. This practical drawing tool allows the artist to scale pictures in ratios from 4:1 to 1:4.

13.5" long.