A pencil, a jigsaw, a router can all work well to make a circle with a trammel arm jig. I used to dread making circles until I found out I could attach my wood router to a jig.

A circle-cutting jig starts at about $8, but it's just as easy to make one yourself from a 6-inch-wide piece of 1/2-inch-thick plywood. Make the jig's arm 3 to 4 inches wide and 2 to 3 feet long.

This video showcases a unique jig that allows for circle cutting without leaving a hole in the center of your workpiece. Using a router, double-sided tape, and a hole saw, this method helps ...

Now we’re embarrassed that we couldn’t come up with a solution as eloquent and easy to use as this circle cutting router jig which [Grays42] built. He’s using a small trim router for the job.

It's a guide arm that attaches to a jigsaw to aid in cutting straight lines or circles. <P>When cutting a circle, you use the rip fence like you would a compass: a point stays anchored in the ...

Insert the jigsaw blade into the hole, and start cutting inside the drawn line. You can cut in a rough circle to get the main chunk of wood out of the way.

Cutting a circle out of wood is usually done with a jigsaw and takes a very steady hand. A router is a more precise way to cut a circle, but it takes some time to set up a jig.