Here is what I would do.
If it's a problem with the quality this time as it was the first with the tension issue, I would take it and show her again and ask for a refund. She had two shots at it and didn't deliver. If not, then do you have what you wanted in writing? Do this panto in an edge to edge or do freehand on this part and this design in this part? If you just had her do whatever she wanted, I think you are out of luck. Even if you just verbally went over what you wanted. I can imagine that she probably has a number of quilts and can't remember what each person specifically wanted, unless it is in writing. If it is in writing, I would take that and the quilt back and ask for a refund. Once again, she had two shots and did not deliver.