You need to cut a big arc or wheel out of a sheet of plywood, but you know that a handheld jigsaw will leave a less-than-perfect circle.
![[US$38.75 14% OFF] Circle Cutting Jig for Bosch Electric Hand Trimmer Wood Router Woodworking Woodworking Tools from Tools on banggood.com](https://i.pinimg.com/originals/9a/5c/9d/9a5c9d6206285722d408e626ddcac6cd.jpg)
