I found something, but not sure this is what you want---This is all about charms (5" squares). It is from a link within a thread, which was reached by another link in another thread, if you follow what I mean. The first thread is "Am I the only one that enjoys the math?", and within it is a link to "Quilting Charts" thread (from Fabriclovr), and within that thread is a link to what you want, which is:
www.minnesotacharms.com/charmtips.htm
I wish I knew how to just put it here in blue for you, but I don't.
Hey! It just went blue all by itself, and it works! Yay!