Years ago, out forequilters used any fabric they had on hand. If you don't think you have enough fabric from your aunt, try showcasing her fabric with complimentary fabric.
Originally Posted by
Neesie
As long as all of the clothes have been washed, it's okay to mix blends with cottons. Back when my grandmother was quilting, folks used whatever fabric was available. Just make sure they can all be washed/cleaned, the same way.