Originally Posted by
Tartan
. I didn’t have to miter the corners but since all the angled pieces were sewn at 45*, I thought miters would look best. I found a good YouTube video that made it easier. The instructor said to pin the extra length matching the raw side edges of the extensions, iron in the 45* fold, open it back up ( leaving the pins in) and draw a sewing line in on the fold to sew on. It worked well and was easy.
Thanks, I've done mitered borders before, I think they are a challenge.