One Starfield player is taking a page out of a different Bethesda RPG, using the game's ship-building tools and some mods to recreate an M-Class version of The Prydwen from Fallout 4. While building and customizing ships is a big part of Starfield's appeal, and players have used its ship-building tools to make some unique creations, most player-created ships don't cause a crossover between Bethesda's game worlds.