Arduino Bumper

by Chu, published

Arduino Bumper by Chu Jul 4, 2012
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Inspired by Arduino design and the iPhone Bumper, I present to you the Arduino Bumper!

By installing this minimalist case, it allows the Arduino to be placed onto a flat conductive surface without shorting it out.

The bumper press fits onto the Arduino Uno and Leonardo. Recessed grooves located under where the Arduino pins sit allow the back of the board to sit flat in the bumper.

Update: Arduino Bumper 0006 has mounting holes.


On an Ultimaker, this print took around 30mins when printed with PrintRun. I used Slic3r to generate Gcode with the following settings:

  • 0.1mm thickness layers
  • 6 solid layers on top and bottom
  • 0% density (hollow)
  • 2 perimeters/walls
  • 0.4mm nozzle

When printed at these settings, the walls of the bumper are two solidly fused perimeters. Varying results may occur with different size nozzles. Please let me know if there are problems.

Note: The Arduino Leonardo might have a tighter fit because they do not have a clean cut on the top and bottom edges. I believe mine was scored and separated from a larger sheet when it was manufactured.

Autodesk Inventor file included.

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Where can I buy the arduino?

arduino.org/com, amazon, ebay or a local reseller (see reseller page on arduino.org)

Very accurate and printed perfectly, excellent work =)

how much does it cost?

nice work! I have a arduino uno smd edition and it fits perfect! the only drawdack is if you tke it out a lot it wil get a bit of a less tight fit and it than can vel out somptimes

Printed in ABS on my Printrbot and it fits my Uno and Duemilanove perfectly! Thank you! This is exactly what I needed.

Nice and helpful design, thanks!

Printed one on an Ultimate printer and fit my Uno ver3 board perfectly.

Accurate design! Thanks a bunch :)

Wow this is a fast accurate print. A+

Hi everyone, I'm new to 3D printing, but I'm having trouble with this print. We are using Replicator 2, and it seems to read the file and try to print, but it does not dispense any filament. I am able to print other models, does anyone have any ideas?

What slicing software are you using?

Perfect fit, very nice

Great work - fits perfectly - thank you for sharing !!

nice, simple design, good for beginners like me!

Excellent :)
I would have two requests: one version with a solid bottom plate to fully isolate the board, and the same quality case for the Sparkfun FTDI USB connector? :D
Very good work!

Thank you for including the Inventor file. It makes incorporating it into my designs significantly easier!

Printed an 0005 (as my first-ever print!) and it works like a charm. Thanks!

Works great with the Duemilanove! 

Can someone please make a derivation for the Mega?

I started working on the Mega version. It'll be uploaded soon.

Seriously awesome! While printing i thought it's never going to work, but it fits like a glove :D Thanks for the design!

:) Perfect fit! Thanks!

does it work with the duemilanove too?

I think it fits the Duemilanove, but I don't have one to test. The only thing I would worry about is if the bottom pins hit the bumper (which I don't think they will). Please let me know if it works! Thanks!

works fine with duemilanove...i attached picture on the i made one section ;)

are u going to make a version where the bolts holes are taken into consideration or may I? :D

Awesome, thanks for testing it with your Duemilanove!

I'm working on a version with mounting holes. Should be up this week!

Chu - in reply to Chu

Updated with mounting holes! Check out Arduino Bumper 0006.

Do you mind if I take this and modify it to fit my Arduino MEGA?

I don't mind at all. Please make one and post it! :)

lt;- Two Thumbs Up

Good detail with the groves.