Originally Posted by AndiR

Well, without being able to see it in person......from the 1st photo it *looks* like they are cut correctly. But in the second photo, with as much of the center point missing as there is, I suspect that your seam is more than a 1/4 inch (and/or that you got a pleat when you pressed?). When I first started quilting, I *assumed* that my presser foot was a 1/4 inch. Guess what??? - it wasn't! Have you tested your 1/4 inch seams? I have a tute on my website that shows you how:
http://www.andicraftsquilting.com/learn.htm