This is a close up of the quilting on the Murdock Manor blog.
http://murdockmanor.blogspot.com/201...-can-show.html
If you zoom in on it, you can see where the seams are. If you assume that the colored fabric is 1" finished, then the square is 11". I can't figure out how to draw the blocks in EQ, but it could be drawn on graph paper. Wish I had some. I do like a challenge.