You worked very hard on your quilts. Making a quilt is as much an emotional journey as it is the physical act of quilting. To have this happen is an insult to you that she didn't accept responsability for her mistake - you know the saying a poor workman blames his tools? I would never give her another chance and I'd be warning other's about her too so they don't end up in the same bind. I am truly sorry your quilts were not done properly.