Making a TARDIS bigger on the inside


Over Thanksgiving, [Greg] had a little time on his hands and decided he needed an afternoon project. Having a few bits of plywood, an xacto knife, and some blue paint on hand meant a miniature TARDIS would take shape on his workbench. After finishing the model, [Greg] continued improving it with a blinky LED when the thought of adding an interior to the TARDIS entered his mind. An idea too good to pass up, really.

The TARDIS, of course, is smaller on the outside, so [Greg] needed a way to virtually model the interior of [9] and [10]‘s home. After playing around with Blender for a few days, [Greg] had a reasonable 3D facsimile of the TARDIS interior. Now the only problem was to display it behind the front door.

[Greg] whipped up a small app for his phone that reads a zebra print pattern behind the door and overlays the 3D modeled TARDIS interior. Yes, it’s only viewable through augmented reality, but tilting the desktop TARDIS from side to side makes the entire console room visible. You can check out [Greg]‘s TARDIS interior in the video after the break.


  1. James says:

    Nicely done.

    I’ve always wanted a life-size TARDIS that would serve as a door to a secret room, or lift to an underground lair, so it really would be bigger on the inside. I know. I’m a nerd. But this is hackaday, so I think I’m in good company.

  2. aztraph says:

    where’s the swimming pool? just kidding! and as a true Whovian, I love this.

  3. Lucas says:

    Smaller on the outside.

  4. biozz says:

    im no dr.who fan but this is very nice!
    and no blender is not hard to learn at all XP
    now blender python is!

  5. Pall.e says:

    This is really neat, I only watched the end of the video but could have have put a lcd inside the box with an accelerometer/titlmeter to change the perspective?

  6. Jon says:

    That’s very neat. All this stuff about that show lately makes me almost want to actually watch it. Seems like everyone else has seen it.

  7. Tom says:

    It’s great to see such a good AR hack.

  8. soopergooman says:

    Best Tardis ever, maybe the shows producers will see this on my wall.

  9. Jay says:

    if you have an extra phone you could replace the zebra print with the phone’s LCD screen. Put the phone inside and the acceleration sensors will detect when it moves and shift the view accordingly.

  10. mistress says:

    I don’t understand. I just don’t get it.

    This has been up all day and fartface has not come around to say how it is clearly obviously horrible and hackaday is circling the drain.

  11. vonskippy says:

    So it’s not really bigger on the inside ?

  12. Ryoku says:

    4:4 people I showed this to nerded out and wanted to make one… 1 wasn’t even a fan of the doctor.

  13. Tom the Brat says:

    You can count me as wanting to make one :D

  14. Rachie says:

    This could be done without the camera by using a hologram. Unfortunately, high quality holograms are still quite difficult to make.

  15. Telek says:

    Insane. “He decided he needed an afternoon project”. Gawd, it’d take weeks for me to figure out how to do the cellphone app nevermind everything else!

  16. CG says:

    For those who have a spare $30 and want to make this easy, just buy a TARDIS bank and replace the inside door image with the zebra print. There are ones with LED/sounds as well.

  17. agtrier says:

    Hm, replace the zebra print with a 3d display and add a hidden cam for face tracking…

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