I had success!! I printed the block on news print at 6 1/2 inches. I pieced the center four patch then started adding the corners. One short strip of 3 inch wide fabric for each color. I could probably measure my triangles and figure out what size to them but at the moment I'm not sure how many more I will need to make at this size. The colors aren't quite right in the photo, its cream and a reddish purple.
My 6.5 Snail Trail