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OnePlus 3 / 3T Wallet Case - Customizable

by christian_p Nov 5, 2017
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This is a first-rate case; the best for all-around protection on the 3T in my opinion. Would you consider a slightly modified version?

The oneplus is a fairly water-resistant phone-- I am interested in enhancing its water resistance. If you eliminate the cutouts , placing indents for the buttons and slider and adding a pinhole for the microphone, I believe I could trust the case to protect the phone in very damp environments (I'm talking about the bumper case, although this would apply to the covered case as well). I have in mind the deck of a sailboat. No direct immersion, but the possibility of heavy splashes.

I looked at the SCAD files but I don't have any skill with SCAD and although I may give it a shot I'm not sure learning SCAD is worth it for one project. I'd appreciate your considering this.


Good Idea, but i suspect the speaker at the top would be a major weak spot, or would you tape this? Couldn't be used as a phone anyway as the microphone at the bottom would be closed, too.

It wouldn't be perfectly waterproof, just more splash-resistant than the bare phone. The top grille would not admit much water left uncovered although it could be taped. A pinhole at the microphone would let the mike work pretty normally and not admit much water. The main things subject to water damage are the usb and the buttons, which could suffer badly when exposed to spray.

Anyway, just a thought. Thanks for your prompt response.

I'm not sure i would trust such a setup, especially on a ship deck :-)
However it's a nice challenge!
Probably would need to use a single wall at the buttons to be still able to use them, can your slicer and printer do this?


Take a look at this soft case for the Samsung Galaxy S5: Thing 371170. The buttons are relieved inside the case, with a slight raised area so the user can tell where they are. I used this case on my old phone for a couple of years, with tape over the exposed connector when I was worried about water. Using TPU filament, the buttons are hard to press, but they work. The 3T buttons are similar, and the 3T the slider could just be covered -- no one is likely to use it when outdoors. Only the volume and power buttons actually need access.

I'm not trying for certifiable waterproof performance by any means, just enhanced protection against the occasional splash.

Chris J

Sorry for the late reply.
I thought about how to do this in OpenScad without spending countless hours and couldn't come up with something I would consider acceptable.
It's really hard to do complex designs with OpenScad and further development seems to have died down. The one outstanding benefit is customizer support here on Thingiverse but it's not used as much as I had thought.
So I decided to switch to some other CAD system, probably Fusion360.
I'm sorry to say that I don't plan on reimplementing this design as I'm switching to an OnePlus 6 soon and so can no longer test designs for the OnePlus 3.