Learn how to make your own router baseplates, both square and round, along with two ways to get the screw holes in the right place.
Products
I like this adjustable center punch, but since you adjust it by turning the red handle, the handle has a tendency to come unscrewed. So I used some Loctite on one punch for normal use, and bought a second punch for when I need to adjust it.
I love these bits, and the case is nice, although the bit sizes are upside down
I use this 12" version, but you can also get the 6" version from this link. You’ll need a pencil with a fine point.