"Geometrical Quilts by Pat Storey Taarquin Pubs Page 53 Fabonacci Series. I don't know if I am allowed to reproduce it because of copyright laws. Interlibrary loan in your local library.
It is a quilting book of designs based on Mathematical formulas
.It is a fascinating book. The designs are rated from beginner to expert. I could go on and on .
ceegee(carol)