Thanks so much! This is the link - it's not actually a string quilt (oops I have that bookmarked for a future project as well) but called a crumb chaos block. Very fun (and quick too)!
http://quiltingisstillmypassion.blogspot.com/2007/07/mile-minute-blocks-photo-tutorial.html
and barnbum I just LOVE your avatar! Erin and I were looking at your sweet beautiful little horses on your website, we just love them!