Firstly you have done a lovely job. You have kept all your points. I never sew HST, always cut 2 squares larger sew together on the diagonal then cut. Avoids bias edges. As to the hammer I saw one advertised on a site yesterday but can't seem to find it now. Will check through my history and see if I can find it. I know I've seen them in quilt shops here in Australia. They are really pretty with flowers painted on them.( Maybe to discourage men. Lol)