I had the same problem until I broke down and got El's mini geese ruler set
http://www.quiltinaday.com/shoponlin...ay.asp?i=14311 and agree with lisa's comment about specialty rulers I tried all the other methods and failed even ricky tims way but I didn't care for the pocket/pouch effect of the geese block El's geese rulers only way I can do them with out stressing myself out, as I could never figure out what I was doing wrong wing clipper looks like it would good also but already have all sizes of El's flying geese rulers I purchased with joanns 50% off coupons