Thank you all so much for your advice.
I did draft it originally and added seam allowances but the rec's seem to have a mind of their own when sewn together. The math with triangles etc. really confuses me.
I think I will have to make and trim as suggested by many of you.
Don't give me the credit for the one in the picture, I saw it at a show and I was fascinated by it. One of those "have to make it" quilts. I only hope mine will be as good.
I will strive to get it licked and will let you all see. Many thanks again, you are great.