The process of sketching a drawing, whether of a commercial building or a tree, and to be able to transfer your image to a larger scale is essential in the art world. Save yourself from making crucial size and shape errors by incorporating the Alvin Divider Proportional 7 1/2"
7 1/2" Lightweight Duraluminum Proportional Divider into your toolkit.
Highlights of this tool:
To use this tool, select proportion of the scale that you want to draw with using the sliding thumb nut, which is located in the center of the proportional divider. The pivot gives you equal proportion for the smaller and larger scale of your drawing.