When doing diaginal only (and that's fine it will work) just remember to start each row on opposite ends, quilt each line in opposite direction. It will keep it frm getting cat-wompous. If it does get crooked, before you put on binding, you can block the quilt if it's bothering you.
Originally Posted by
petthefabric
I quilted one on the diagonal, all one direction. It tweeked the quilt slightly so it doesn't hang straight. I'd quilt in a grid pattern to have diagonal in both directions.