The fabric you chose for that quilt is a perfect fit for the pattern.
I know, because I've used the same method to make a quilt but the instructor I took the class from called it shattered or splintered. My fabric choice was less than great (
http://www.quiltingboard.com/t-39552-1.htm) and left me wanting to do something better. Thanks for providing inspiration and the picture to prove it CAN be better!
Love your quilt.