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TARDIS Raspberry PI 3 case

by Jason3030, published

TARDIS Raspberry PI 3 case by Jason3030 Jul 11, 2017

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Summary

I am setting up a linux desktop for my Son using a raspberry pi 3, but I wanted a meaningful case for him....

Since my Son really loves Dr. Who, I modified this TARDIS to allow the mounting of a pi3 inside it. Holes had to be cut into the right side to allow hdmi out, and the windows in the rear had the window panes removed to allow USB cables to exit. There are also 4 circular holes in the rear to allow you to place (optional) nuts for the screws to screw into.

There are two files now:

  1. "Tardis_PI3_case_1.stl", this is the original, as pictured in this thing. I have printed it and it works fine.

  2. Tardis_PI3_case_2_experimental.stl", this is the new version, the only change is that the side ports are enclosed around the top (power, hdmi, etc have no gaps around them anymore). This should make it look nicer.

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I can confirm that the "experimental" version works very well. The Raspberry slides in nice and snugly, no problems at all. I remixed the case with a removable top for better USB and network access. I uploaded the remix, but since I only registered just now, the design will be published in 24 hours time...

I use it as a media center housing - I think that's a very sensible use of it :-) Watching Dr. Who right from the TARDIS :-)

Thanks for the idea and for sharing. The raspberry.org blog pointed me at your design.

woohoo! thanks for letting me know =)

Odd - mine started off much too narrow for a Pi3 so I aborted.
I am new to 3D printing but I have printed 4 other Thingiverse downloads OK
Using Cura_15.04.3 that came with my new Creality CR-10.
It might fit a Pi Zero ???
What may I have done?
How can you find the dimension before a print as a check?
Do you need a supporting structure for that fairly flat roof?
Thanks.

You should print a cube with 20x20 or 100x100 and then measure it with calipers. Then adjust your printer slicer so that it will produce dimensionally accurate prints. When I alter a model, I go based on accurate measurements, how it ends up printing is up to your printer's configuration.

As you said, some models don't print the same as others, often times its because the guy making the model is just adjusting the size till it prints the way they want it, and not using real values with a calibrated printer. It's frustrating to print something only to find out it doesn't work because the model is completely off.

Thanks - but this is odd. I downloaded again and used Cura with my standard settings. Cura reported the correct dimensions.
I compiled and saved gcode to SD card. Again a half size base - so I aborted again
I did not switch off and loaded my Google AIY box lid previously printed (from here) - perfect again.
Help! I have promised my grandson!

If your printer is scaling it wrong, measure the current size and compare to the expected size. Then adjust your printer by whatever percentage it needs to print it accurately. Take a look at this print calibration cube: https://www.thingiverse.com/thing:1278865

XYZ 20mm Calibration Cube

Thanks!!
I made my own 20mm cube on FreeCAD.
I used Cura (as came withe the CR-10) to slice it with my usual settings - and Cura agreed it was 20mm cube.
I used the printer settings as usual.
Result - perfect 20mm cube.
So it must be the downloaded file ? - and I did that twice.
Must be the new woman pilot . . . . . .

I have noticed this happens on some models too, I now use S3D exclusively on all my printers, result is muh=ch cleaner prints and no more problems

I tried the original Tardis that this is derived from. That also started out at below half size before I aborted.
I will try some of the other free slicers first - but thanks!

I wonder why the rule is to publish STL files rather than some CAD file that can be easily edited?
I see no way to edit STL other than put holes in the model or add bits. I must have missed something.
I can't even find a manual saying what the menu items do on my printer - it took 6 prints before I learned to lift the Z axis . . . .

The original Tardis has a complete different size than this.

I scaled it in Cura to be big enough to include a Pi - bolted in by drilling holes later.

I now see the scale icon in Cura - it gives X 73.101, Y 73.104 and Z 165.216.
From other comments that should have been fine.
So why was it too small on the hot bed?

Brilliant looking case.

Quick question, what's the total height. Wondering if I have to break it into two to get it fully printed in my printer :)

Thanks

what's the total height.

~165mm

My DaVinci Jr constrains me to a maximum build dimension of 150mm. Can I print this diagonally?

The design of the tardis is for vertical printing. If you print it on its side it is going to suffer. Something else you can try is splitting it in half and then gluing (or acetoning) the halfs together. Because of the horizontal printing, the filament layers may blend in together OK.

Thanks. I shall share mine once done!

Cheers!

Love it! Thanks for choosing my Tardis to base this on! Please also upload some completed photos of the finished product with the Pi inside! I want to see!

Pics posted! I didn't do any post processing, what you see is exactly how it came off the printer.

You did a fantastic job on this design. Thanks for making it! My son is going to really love it.

Thank you! Looks great, I may have to print one of my own!

And thank you- I tried to go above and beyond to implement the architectural details and show details that would show on small-scale prints. As of when I designed it, most of the other tardis's were very slab-sided, when police boxes had crown-molding-ish detailing and were by no means slab-sided. I based my model on a full-scale architectural blueprint and then test-printed to see what needed simplifying.

Needless to say, using Solidworks also helped a lot. Much more control.

How do people get SolidWorks????? From what I understand it is a $$$$ They won't even list their price, I have to ask for a "Quote" --- which is business speak that "If you have to ask, you can't afford it".

Very nice. If it were scaled proportionally, a bit shorter, would the PI still fit? I like it but it would take up too much desk space.

An idea --- wifi antennae coming from the top? Or just maybe replace the printed bulb with an LED to show power status?

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