I did some searching online and found this site
http://www.angelfire.com/va3/jclane/.../LoneStar.html
it isn't the exact way I learned, but fairly close (my strips were 2 1/2" wide) I took a class at our local quilt shop...hope this helps. It looks alittle intimidateing, but once you make one...your'e hooked! Makes great baby quilts too, just reduce the number of fabric diamonds you use from 8 to 4 ... GOOD LUCK and have fun!
You'll notice the one I made has only 6 dimonds at the widest point...and the quilt is laying on a double size bed...that gives you an idea how big it is.