Sounds like you have a lot of resentment against MIL right now so remember it will be for GMIL. I would do a fast quil, twin size and put her name on it with permanent black marker, large. My GM was in a home for several years and if her name was not on everything it disappeared. Also remember when GMIL passes the quilt, if still there will be given to your MIL. Have her buy the fabric for quilt, scraps are yours but think about the person who is getting the quilt and what she has meant to her family over the years while you make it. Quilts are a part of us and you want the woman to feel love not resentment when she is covered with it. God bless you.