Derwent Scale Proportional Divider is an ingenious drawing tool invaluable to artists. It makes it easy to transfer measurements from life, photographs and sketches ensuring you achieve accurate proportions every time. This practical drawing tool allows you to scale your pictures in ratios from 4:1 to 1:4. When not in use it folds neatly away and will slip easily into a backpack when you are out and about.

Product features:

• Eleven graduation holes for measuring your chosen scale.
• Reduce or enlarge in ratios from 4:1 to 1:4.
• Measure your angles to make sure your perspective is correct.
• Easily find your mid-points.

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