The Titanic H&G team have released what I believe is their final demo before Steam release of 'Project 401', which is their walkable Titanic model. It's in Unreal 4 and really is quite fantastic - now 50% of the vessel is modeled.
https://www.youtube.com/watch?v=TOogM9SagAY&t=961s
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The eventual goal is a plate-and-frame virtual rebuild of the *entire* vessel.
https://youtu.be/zuxiwHtQViQ
