Originally Posted by Rebecca VLQ
^^^^Yup. The easiest way to get it square is to rip and trim! If you're making a quilt back, I dunno why you'd need a new fold. You want it flat, flat to start quilting!
I learned this trick in my sewing class in high school. It works great.
I always iron being cutting the fabric. Since I wash fabric after I buy it, I wait until I use the fabric to iron the fabric and use starch. I want to make sure that all wrinkles are out of it.