I was impressed when I first saw furniture designer George Berry, a/k/a "The Wood Guy" demonstrate how to cut a circle out using a table saw. (It's an oldie but a goodie, we'll embed it at the bottom.) But I've just witnessed something far crazier: A guy cutting out a wooden sphere using a circular saw.

Izzy Swan is a retired furniture shop owner who now spends his days designing and building contraptions for fun. One such contraption is what you're about to see. "With a little redneck ingenuity," Swan writes, "I built this simple jig that turned my circular saw in to a ball making machine!"

There are two looks at how he did it. The first is artistic...

We thought Swan was joking when he mentioned he'd be "doing a bowling ball on the table saw here pretty soon." He wasn't joking.

Lastly, here's the aformentioned table saw video from George Berry: