How to Make Fast, Perfect Wooden Circles, finished on a Disc Sander
Posted: Thu Mar 17, 2022 11:49 am
My Growth Rings with Scott Markwood
SHOP NOTES:
There are so many interesting projects that need precise circles, such as tabletops, toy wheels, decorative items, and functional items such as these hurricane lantern candle bases. This simple, fast and safe process is as easy as 1, 2, 3, 4, repeat.
Mark the center location and draw a circle with a compass. Don't skip this step by tracing a circle from another round object, because you'll need that center location in step three. 
Cut the circle slightly oversized on the bandsaw. 
Drill your center location with a hole that will accommodate your pivot point. I used a 5mm dowl because that's what I had on hand, but you can pivot on any size dowel or pin as long as the hole doesn't cause problems with your project. If your circles are wheels for a toy, use a hole that will later match your axel size, for example.
Use your Mark V's sanding disc to sand the wooden discs to the exact size, pivoting on a pivot installed on a piece of scrap clamped to the main table. I typically make the first one very carefully and set the depth stop for all successive discs. 
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