Originally Posted by ghostrider

Be sure to check Fibonacci progression designs (great with log cabin blocks). Here are some of Caryl Bryer Fallert's efforts along that line.
http://www.bryerpatch.com/gallery/fibonacci_quilts.htm
Also Sierpinski's Triangle and the Lute's of Pythagoras are very popular for quilt designs.
http://rebeccakemble.com/galleries/g...le-interpreted
http://www.quiltswithstyle.com/main/...oras_Lute.html