Just like it sounds... This method is how I go from a downloaded ship model to designing the entire ship for 3D printing. This is just the start, and does the heavy lifting of getting a hull into Fusion so that it can be edited and prepared for printing. From there, you can hollow out the hull, cut windows, create mounts for all of your components and the rest.
How to work with downloaded ship models in Fusion 360 2019-12-29
Makes the foundation for a 3-D printed ship