A tab in Penguin Pete's that lists all the space ships that the player has created. They would be saved on disk and available across characters, the interactive artwork that players create. There would be a button to save the current ship into the hanger, to swap into a selected ship in the hanger, to delete ships that are no longer wanted, and rename them. There could be a check-out policy that requires the current character be in possession of a license to fly that hull class. The ships should still appear in the list though, as part of the collection of artistry generated by the player. And maybe a mouse-over with a detail picture of the ship.
