Draw Circles with Sticks, Tape, and Squares

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Five ways to draw circles
Matt runs through the standard ways of drawing circles: compass, bigger compass, beam compass, trammel beam compass, stick, and stick with a notch-before he gets to a groovy little tape measure that makes it easy.
And then he draws a circle with a framing square.
Wait, what?
"This method is limited to the size of the smallest leg of the square, or 14 inches for a framing square" Notes Matt...
Step by step:
Drive nails at a distance equal to the circumference of the circle.
Rest the short leg of the square against both nails.
Put the pencil tip into the square's corner
Rotate the square around the nails, keeping each leg against a nail until the second leg is in contact with both nails.
Voilà: a semicircle.
Repeat.
-Matt Jackson, aka, the Timber Tailor, is a master carpenter, remodeler, and Sketchup pro in Rapid City, South Dakota. His TH-cam channel has a lot more videos.
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[@karenpoole8957]

I love this method!! Thank you!!

[@ashraf61]

Nice Job. Thanks for sharing. ;-)