Re: How to cut the circle....
I just did this last night to cut out a circle with my laminate trimmer - pin in the centre and some kind of trammel. I agree with Wally though, if you use your plunge router, you'll probably end up having to punch a hole in your router base to be close enough, in this case you don't need a trammel (the base acts as your trammel). Remember that when you make the final depth cut, that you need to have the centre immobilized as the final cut will free it and your bit will jam into the finished circle edge. Best bet is to run a couple of screws through a board on the bottom side and into the centre circle, then clamp the board to the main base.
Originally Posted by Wally in Calgary
Or, you could use this idea to create a circle template then use the template like Rusty says below.
I like cutting circles out with my router, its usually clean and painless.
Shut up, wretched cricket of doom...