Micro-Adjustable Drawing Bow Dials in the Curve
This device is an invaluable aid to anyone who wants to draw fair curves but doesn’t have an extra pair of hands. It can be made from shop scraps and a few dollars’ worth of hardware.
The device consists of a plywood holder with a fixed block on one end and a sliding block on the other connected with a length of 1/4-in.-dia. allthread. Wedged between the blocks is a bending blade that can be made from any springy, flexible material. Mine is a piece of Plexiglas.
By tightening or loosening the threaded rod, you can fine-tune the bending blade in tiny increments.
Jim Richey
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