I'm not really able to follow what everyone is saying, but if you just want to get the points to meet, and they're slipping as you sew, I recommend gluing the places that need to be joined with a spot of Elmer's Washable School Glue, then pressing that spot with the iron to dry it. That will keep it in place when it's sewn.
Don't know if that helps, but I use that method for joining points all the time.