Don't give up. This last quilt top I made gave me fits. I swear I put it together, ripped it apart, sewed it together, ripped it apart at least 20 times, but I wouldn't let it beat me. No, not all the points match, not even close, but the top is finished now i'm just waiting to find the right backing fabric then im going to quilt it. At this point I don't even care that is doesn't have perfect points, it is done and I have more points that match than don't. It will still keep my legs warm on a winters evening. I think I know what happend, and next top I will be much more careful not to stretch, press to hard or whatever that will put my block to far out of shape. I'm up to the challenge to just do better the next time. Don't let it beat you, it will come to you eventually. With practice it can become perfect.