Inside the Blue Box

We know she’s dimensionally transcendental, a bit like a pocket universe, that it’s possible to burn off rooms to get extra energy, that rooms move around and are created and deleted, and that interiors can be archived for neatness. But how much do we really know about the TARDIS’ internals? It’s fun to speculate. Here’s one artist’s vision:

Some very long while ago I received another interpretation via PDF file. This entry has the images of those pages. Example below: