The problem is, we don't get really clear questions all the time. The dialogue helped a lot, Betsy. Eventually, we get there. Just imagine, in another 5 years or less, instead of typing the question, you'll take your ICamera outside and show us what you mean, and then we'll know.
Have fun on your project!
By the way, a router can be a fun way to cut your notches too, but stick with the skilsaw.