Jesper, It's worth "fiddling" with the form alignment..I took two or three evenings to set mine up. I cut a small kerf (with a razor saw) in the forms along the keel center line, as well as the waterline. I placed a mason's line in the kerf. This will allow you to sight along the forms to help you to detect any of Mike's 12 points. Once I got things lined up, I tacked a stripp along the sheer. Any errant forms will show up here.
Have fun!
Steve
www.steve-frederick.com