Brain. Hurts.

We’ve been over this a million times: some people have way, way too much time on their hands. As further evidence, I present a 2D representation of a 3D representation of a 4D house, constructed entirely using the tools provided to players of the massively-multiplayer chatroomvideogame Second Life:

Not a whole lot there, other than the fact that the cubic house loops around on itself. But check out how the creator accomplished this wild feat:

Of course, every geek that reads of this feat will probably be reminded of Robert Heinlein’s classic story of 4D architecture …And He Built A Crooked House. Nifty.