Why is my quilt border wavy?
You may be stretching the quilt itself or your binding fabric. Pulling on either of these can result in one being slightly longer than the other and causing the quilt edges to wave.
What does it mean to miter a corner?
A mitered corner is formed by joining two pieces of wood, each cut to a 45° angle. One of the easier joints to cut, a mitered corner does not require a lot of special tools or setup time, yet it’s useful in a variety of applications.