Galaxy S3 Car Mount W/ NFC Tag

by kcmelty, published

Galaxy S3 Car Mount W/ NFC Tag by kcmelty Oct 7, 2012
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I designed this mount for my Samsung Galaxy S3 without a case. It mounts into my CD slot that is .125" tall.

The center blind hole and cap are for a NFC tag. I used NFC Task Launcher and their 1" dia. tag.


(1) GS3-Plate.stl
(1) GS3-1.stl
(1) GS3-2.stl
(1) GS3-3.stl
(1) GS3-4.stl

(4) #4 x 3/8" flat head screws
(4) #4 hex nuts

  1. Print GS3-Plate.stl or the individual parts. Use at least 2 extra shells.
  2. Resize through holes to .129"
  3. Touch up 82deg. countersinks if needed to ensure the screws are below flush.
  4. Cut off standoffs under the tabs that insert into the CD slot.
  5. Assemble using #4 flat head screws and nuts.
  6. Stick the NFC tag inside the cap and install it into the mount.

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hi, how can i change the GS3-4 for having front with blender...
thank you

Thank you so much for designing this. I had to activate my old S3 due to my s5 breaking so my car mounts wouldnt fit. This is just what I was looking for.

anychance of making another one for us that drive on the wrong side aka the right ..i tried spinning the cradle with no problems but it only wants to grab on in the cd draw when facing the left /drivers side

GS3-4mirror should be the only part that needs to be substituted. I just uploaded it to the collection.

thank you very much ! Perfect

oxfouzer, you might try backing off the heat bed temperature to something like 75dg.

I tried printing the entire plate in ABS on a 115 degree heated bed with glass and AquaNet... warped to the point of failure about 2.5 hours into the build. I will try again this time individually and see what happens.

Dude! That is a wicked design. Nice work!

Thanks! I use it every day and it works great.

Hi really like your design. Would it be possible to upload the source? I want to modify the holder so that it can fit onto my UP! printer bed. I tried importing the stl in sketchup but couldnt view the model. Thanks!

could you not just upload them individualy & rescale all item the same size with the up software

I uploaded the Solidworks 2013 files and a .step file. If you can't modify these let me know what you need done to fit it on your printer

Thanks. Will see how I get with Solidworks. Planning to split the holder in half as I only have a 12cm print bed and the SIII is beyond that itself

Haha, I never thought of making something that mounted in an old media slot.

My old truck might be getting a GPS holder for it's 8 Track deck!

This keeps making me laugh, "CDs, Meh; I'll stick some plastic in there instead."