After lookng more closely at the quilt/drawing in the first post, I think it was created on a 46x46 grid.
I would draw lines at these intervals: 1-6-2-5-3-4-4-4-3-5-2-6-1 and then start connecting and erasing lines.
( I am using a Nook and am not able to provide an illustration. )
I think this is just one " block" -