Then you fold over one line at a time and sew the seam. This way the whole seam gets made at once and everything will line up automatically. It’s basically quilting for dummies and I love it.
I gave the technique a try with this Link pixel quilt and am very happy with the results. Not all the corners are perfect, but they’re pretty close. And the result is definitely better than what I could have achieved with the normal quilting approach.
What you’ll need: