I beleive it is just like one I have on my to-do list. Although this pattern is done it a different style it looks like it could still be the same pattern. Here is a tutorial of the pattern I believe it is
http://www.equilters.com/library/jea...gallbaros.html
This is done in bluejean fabric, But it could be done with other fabrics as well. I hope this helps
Happy sewing