Here are Elizabeth's and Jonathan's Cotter Tens:
With Phillip's brilliant idea to print off the triangles instead of color and cut them out ourselves, we saved a lot of time and effort. If anyone would like to make copies of Phillip's version, feel free to email me and I'll send you a PDF or Word document. (You'd be surprised how many people have found this blog doing a search for Cotter Tens Fractal. You just don't hear a lot about that topic.)
*Edited 11/17/14: Someone emailed to request the preprinted fractals and I thought, "There's got to be a way to attach it to the blog." And of all the brilliance on the internet, there is! So here it is.