An invaluable artists drawing tool, making it easy to easily transfer measurements from life, photographs and sketches ensuring you to achieve accurate proportions every time, allowing to scale pictures in ratios from 4:1 to 1:4.
325mm (just over 12") long made from solid black coated wood, with a metal knurled fastener they have eleven graduation holes to achieve various scales.
TO SKETCH or DRAW FROM LIFE
Estimate the size increase or decrease you wish to achieve
Hold the dividers at arms length and spread the top points to match the object
Put the bottom points on your paper and mark the distance
TO COPY FROM PHOTOGRAPHS OR SKETCHES
Estimate the size increase or decrease you wish to achieve.
Adjust the points of the dividers to match the object
Put the other end of the dividers onto the paper and mark the distance
TO ENLARGE OR REDUCE SIZE:
To enlarge - adjust the brass pivot to required graduation hole. Measure the object with the smallest gap between the points and mark the widest gap between the points on the paper
To reduce - adjust the brass pivot to required graduation hole. Measure the object with the widest gap between the points and mark the smallest gap between the points on the paper
FOR CONSISTENT RESULTS
Ensure the brass pivot is tight throughout the session
When sketching from life keep the points at a constant distance from your eyes by holding the dividers at arms length during the session.
