Originally Posted by Stitchnripper

Is your binding wavy all the way around or just near the join? I saw a tutorial once that had us leave about a 16th of an inch between the edge and the fold before you cut it. Then join, I don't get waves there anymore. If I am machine sewing a binding I sew the binding to the back and then sew it down from the front. I can manage a decent line of stitches that way rather than front to back and then front and try and do it in the ditch and catch the edge of the binding on the back. I don't usually do bias bindings. Good luck. I hope you get it figured out.