There is no way to craft the slopes and corners of all kinds, and we need a lot of them on ships. Whitout cheating them in or cheting for refilling shops with them, there is no reliable way to get large amount of them.
(or at least there is no known way to craft them. if it's already implemented, please tell me the recipe)
(or at least there is no known way to craft them. if it's already implemented, please tell me the recipe)