Originally Posted by mary quite contrary
An extra piece is sewn into the seam then after it is sewn together it is folded back and the bias causes it to curve like that then I had to go back and stitch each little fold down. When I was doing the big quilt I had to stitch it down as I went along because it becomes quite big & bulky.
If you would like step by step pictures I can do that later.
I would be very interested in step by step pictures. :-) It looks hard; don't know if it is beyond me, but it is absolutely beautiful!