Thank you to all for your input but I must admit I am still fuzzy. I don't have points to worry about, it is a log cabin. Mavita your trick would give you a fractional bigger quilt, I like the idea but this one is already cut.
I want to machine stitch as I think that will be easier on my hands and wrists.
Jingle it sounds like you are talking about what I remember - could you expand on your explanation please