Trammel points - Beam Compass
by BubaLettow
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A set of Trammel Points with pencil holder also called a Beam Compass. Using any length 1x wood (1x2 works well) or any other 3/4" thick piece of material, the length is practically unlimited.
A pencil, nail, and a small handful of nuts and bolts are necessary to make this work.
A pencil, nail, and a small handful of nuts and bolts are necessary to make this work.
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