diziet | Entries tagged with 3d printing

About 4 years ago, I posted about making a 3D printed case for my then-new phone. The FP2 was already a few years old when I got one and by now, some spares are unavailable - which is a problem, because I'm terribly hard on hardware. Indeed, that's why I need a very sturdy case for my phone - a case which can be ablative when necessary.

With the arrival of my new Fairphone 4, I've updated my case design. Sadly the FP4 doesn't have a notification LED - I guess we're supposed to be glued to the screen and leaving the phone ignored in a corner unless it lights up is forbidden. But that does at least make the printing simpler, as there's no need for a window for the LED.

Source code: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blob;f=fairphone4-case.scad;h=1738612c2aafcd4ee4ea6b8d1d14feffeba3b392;hb=629359238b2938366dc6e526d30a2a7ddec5a1b0

And the diagrams (which are part of the source, although I didn't update them for the FP4 changes: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-diagrams.git;a=tree;f=fairphone-case;h=65f423399cbcfd3cf24265ed3216e6b4c0b26c20;hb=07e1723c88a294d68637bb2ca3eac388d2a0b5d4

( big pictures )

People complained that my laptop sound was buzzy, so I bought a proper microphone (thanks to mdw for advice, and loan of some kit). Proper microphones come with a holder that accepts a screw from your microphone stand. In my case, 3/8" "BSW" - similar to 3/8" US standard "coarse" (or if you unscrew a supplied insert, a special 27tpi 5/8" UNS).

I don't have a microphone stand and I didn't want to buy one. I have two camera tripods - a small one and a big one. My camera tripods have 1/4" coarse (20tpi) UNC screws.

Also, we have a 3D printer at home. And nowadays you can download a configurable screw thread from the internet. So I made myself an adapter. After a few iterations I have a pretty good object which can be used to fit my new microphone to either camera tripod. (I found that a UNC thread was close enough to fit the microphone's BSW.)

Of coure, this is Open Hardware and the (short) source code is available. (To build it you'll want to git clone to get the included files.)

Pictures below the cut. The flange at the bottom is because tripods usually have a soft top which is supposed to stop scratching the camera; a narrow hexagonal base would make gouges, hence the wide base. ( Read more... )

I made my new phone a case, using our 3D printer.

Source code for the case is here:

https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blob;f=fairphone-case.scad;h=5636d285cd83acc866289f21a581fb3b77e9d5a4;hb=00f6e6b886700261cade1e42b9c3e195be99f4d2
git://git.chiark.greenend.org.uk/~ianmdlvl/reprap-play.git

https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-diagrams.git;a=tree;f=fairphone-case;h=513bf1585ee20d8b9f8193c91d42e3cf19416c43;hb=refs/heads/master
git://git.chiark.greenend.org.uk/~ianmdlvl/reprap-diagrams.git

Thanks to

ceb for the multi-print-job technique for multiple colours, which I used for the notification LED window.

( big pictures )

Ian Jackson

3D printed hard case for Fairphone 4

Adapter to use camera tripod as a microphone stand

3D printed hard case for Fairphone 2

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March 2025

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