You just need to use 60 degree diamonds :
First is QB member Dunster's quilt, available on eBay:
http://cgi.ebay.com/ws/eBayISAPI.dll...m=221172128976
I'm posting the ebay link because that's the biggest picture I could find, ,but you can contact her directly by PM here:
http://www.quiltingboard.com/members/dunster-u5898.html
Here are some other pictures to give you some ideas for color distribution (including some from this board):
http://www.quiltingboard.com/picture...e-t106521.html
http://www.quiltingboard.com/picture...ar-t62540.html
http://www.amishcountrylanes.com/Pages/hs4756.shtml
http://www.etsy.com/listing/105484551/log-cabin-star-quilt