Tips & Tricks: Bar Clamp Compass

When a project requires you to draw a large circle, you don’t necessarily need a trammel. Instead, try using a quick-set bar clamp. Hook the fixed jaw over a nail driven at the center point and hold your pencil at the intersection of the moveable jaw and bar. Squeeze the handle to precisely adjust the pencil’s location to match the radius you need. 

—Richard Entwistle, Highland Lakes, New Jersey

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