Let's see if I can get the picture to attach. Yes, the picture attached. (flutterByGreen, just in case - if you click on the image it will open up larger)
I wonder how active the group is, since it was from a couple of years ago. Since I don't quilt, take this with a grain of salt, it almost looks like the person that made these blocks added some to the seam allowances, as from the picture on the website doesn't look like the inside triangles cross before adding the outside (large off white) triangles. I guess that is one way not to cut off the points. It will be interesting to find out if followed the book or ???