Safe and secure Raspberry Pi B+ Case

by jayftee, published

Safe and secure Raspberry Pi B+ Case by jayftee Aug 10, 2014


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Made from the ground up, with the use of the model of the Raspberry Pi B+ model I published here: http://www.thingiverse.com/thing:402498 and of course an actual board I used for test fit the case (drawing go so far).

Overall, I used .2 and .25 mm gaps so, this case is a TIGHT FIT.

Meant to securely house a Raspberry Pi B+ v1.2 2014 board using 4x 20mm M3 socket head screws.

It is a "natural" evolution of the case I made for the previous version of the Raspberry Pi B board found here: http://www.thingiverse.com/thing:209100

You can also find a similar case for the Raspberry Pi A+ board I made here: http://www.thingiverse.com/thing:566506

Raspberry Pi 3 B:


Update, added new honeycomb top upon request.


This is the setup I used
.35 mm j-head
.25 mm layer height
125% for first layer
80% rectilinear in-fill
Fan always on except for first layer
2 vertical perimiters
2 bottom layers
2 top layers
This case was designed for .25 mm layer height.
Print a bottom and a top part without support.
Use 4x M3 20mm hex head to fasten.

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This was printed in PLA.

ABS shrinkage is different from brand to brand. I have been told people enlarge the thing by 1-2% to account for it. YMMV.

Because I do not want to deal with shrinkage, and the fact ABS fumes are quite harmful in a non ventilated area, I print only in PLA.

Fits the RPI2 and RPI3 snugly when printed with my Printrbot Play!

jayftee, perhaps your title and description could be updated, adding Pi 2 and Pi 3 support to help people find this excellent case?

It would also be nice to see a version with slightly larger screw holes... my printer is calibrated as close as I can get it, but I still have trouble with the M3 screwheads. Pi fits just fine though.

Thanks a ton for this great part!

Yes its tight as the description says :)

In my design, I do not oversize holes, I simply use M3, M4 or MX drill bits to debur the holes.

Cheap way to ensure those design also work on my cnc machine!!!

Grrrrrr... you CNC mill guys... your machines are so dadgum accurate! ;)

I've been using a drill to bore the holes out a bit as well. Easy to do and it works great. Thanks again!

You are welcome, glad you like the design.

Hey, I love the design, and have to upload my make soon!

What color of filament is this?



Comments deleted.

Translucent Yellow. It glows under blacklight.

What brand? Does it print well?

I get my filaments from voxel factory or filamants canada.

I find translucent filaments easier to print than full pigmented. Black and deep blue i try to avoid.

This might be related to the hotends i use, which comes from hotends.com


Apr 30, 2016 - Modified Apr 30, 2016

does the raspberry pi 3 fit in this case?
It should fit as 3 has the same dimensions as 2 but I got a little confused as you did a case specialy for the 3.

It should. The one for the pi 3 uses 2.5m socket head screws and is secured within using the board mountinh holes. The 2B i made has better tolerances but we are talking sub millimeters.

Apr 20, 2016 - Modified Apr 20, 2016

A little late now (since I'm currently printing it), but does this have room under the cover for a heatsink? Any idea how much room is between the chips and the roof? Thanks!!

By far my favorite line of cases for the RPi's!!!!

If you look carefully, you can see my pi has a heatsink!! You should be just fine :)

Yep, didn't even notice. I bought big burly heatsinks for RAM and wasn't sure. Fit is great and thermal epoxy is better :)

Is it Possible that someone can add a 2.5" HDD Case to this nice Case?

Aug 1, 2015 - Modified Aug 1, 2015

Definitely have to scale up to 1.01. It doesn't fit the Raspberry Pi 2 at all without doing so. (1mm gap. top of ethernet jack holds case away from bottom piece. Also.. no matter the printer the honeycomb never turns out right.'

This is the best raspberry pi case however minus the issues above. Really secure and not something that is going to unsnap continuously like most others. Most of us have far too many M3 screws not to use them :-)

I also had to scale it to 101% on Cura to print it successfully, ive noticed that thermal shrinkage on the screw holes mean screwing and unscrewing any bolts will clip the wall of the screw head hole and not go in, or if it gets forced in, unable to remove without heavy force

I had to scale it by 1.01x to get it to fit.
Printed with 0.3mm nozzle abs.

IT's a great case, I made the wall mount for it. I love to see it get on customizer.

i have to scale it to 101% for fitting by printing with ABS

thanks for the case

Mmmz, this mount doesnt have a slot for the camera cable.. of course I found out after printing :-S

Eh, it does. You have to pick the cover you want. One has the two cable slots and the gpio hole...

ah. I got the one with the logo... which doesn't have the cut-outs... thx anyway.

Hi. Does a Raspberry PI 2 fit in it?

As stated on the Raspberry Pi Web site, the Raspberry Pi 2 Model B has the same board layout and dimensions as the Raspberry Pi Model B+. Only board components have changed for newer and faster versions.

So yes, this case will fit Pi 2.


my pi2 is too wide... It refuses to snap into the base... -_-

As stated, tolerances are .25mm so it is quite a tight fit.

If you printed in abs, you have to account for part shrinkage, thus you have to enlarge the parts.

If you printed in pla, the i suggest you try printing a 20x20mm cube and adjust your printer to produce exactly a 20x20mm cube. Then you will be able to print this :P

Feb 18, 2015 - Modified Feb 18, 2015
lryyy - in reply to jayftee

Nice! So now I'll have to get some pink filament and get going :)

Thanks for the reply.

Pink !?! Well post a pic of it printed, I can't imagine this thing in pink :P

I would recommend printing it at 101%, the 4 guide holes for the PCB are small enough to account for the scale change, and the outer of the PCB will slot in nicely.

Awesome case, but I believe the file: "B+_Case_Bottom_Honeycomb_v1" has wrong name and is really a top part. I can only find 2 bottom parts in the set, and 4 top parts.

Oops. You got me there. The part was a top part indeed, but was named bottom. Sorry about that. Its fixed now.


Nice, printed one and it fits!

Just one question: Why those small nipples and the odd placed screws? Wouldn't it make more sense to place the screws in line with the four mount holes?

There's actually two very good reasons not to use the mounting holes from the pi itself.

1: That puts the stress points on the board itself, whereas you want to move them away.

2: Finding 2.5mm screws/bolts is a bitch.

+1 to finding 2.5mm fasteners. Major pain in the rear end, that is.

I wasn't too sure how much, meaning how long the SD card would be left outside the case once inserted, so I placed the screws there to act as bumper for the card in case the case is dropped.

Comments deleted.