Hi Burrman:

Thank you for the info. I was thinking it would be a good idea to let a picture embebded in a 3dm file and.....MoI always go a lot of step ahead me :-)

Pilou:

Your video are very interesting, but...when you draw the upper curve of the bow, I think that could be better if you extend the curves of the deck or the upper area of the hull, and then you build the curve of bow on it.
Like that: