I redid this with a bit more image information and clearer instructions in a pdf. You can download it from dropbox.
Since I can't find any way to get rid of the first picture, I've posted the updated one behttps://www.dropbox.com/s/uzac8jr6cmm5777/Router%20Circular%20lettering%20jig.pdf?dl=0low it. It is also on the pdf
The more I do, the less I accomplish.