Originally Posted by Genden

I have just completed a nine patch top. I was careful in cutting, used aurifil thread, and a scant 1/4" seam. I still had about four blocks that were too small when measuring for 6 1/2 inches to be a final 6" block. I just made four more blocks and they were fine. (I always buy a little extra fabric.) I would like to know the secret for perfect blocks every time.