circle cutting

I am new to this forum and I am looking forward to learning form everyone. Here are my questions: I am looking to cut 12" circles out of countertop material from the sink cut out. I was thinking about using a circle jig to to make the 12" circles--Can i do this in one pass or should I do...

Hello everyone. I am hoping you guys could give me a little advice. I just purchased a Cable Porter router, model 892. It has a 2 1/4 hp motor. I familiar with other power tools. But, I have never used a router before. I need to make a 20" diameter circle made of 3/4" plywood. I also just...