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hackoholic

OctoPi Case for Prusa i3 MK2S and MK3

by hackoholic May 21, 2017
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Any possibility of remixing this for the Pi4? I just got a MK3S and would love to get one of the new Pi's to power Octoprint. I know 3 works just fine but I figure I might as well get the new one. Thanks in advance.

+1!
Awesome case, using it for over a year now.
I am currently migrating all my old Pis to Pi4 with official PoE HATs.
Would be nice to consider the use of the PoE HAT as well when redesigning.. ;)
Super job! Thanks a lot!

Thank you for this amazing case. Works great with my Prusa i3 MK3S.

This Thing doesn't have a part called 3.stl. Was this comment meant for another thing? Camera holder maybe?

Exacly. I've edited my comment.

Can you upload the CAD files for this please? How are remixes of these designs being made without CAD files when STL file imports don't contain original CAD file features such as faces, extrusions, etc.?

There is no magic here. I remixed from hofftari's original design by importing his STL into Fusion 360 and then adding my own new features. I'll PM you guys with links to my Fusion 360 model or an exported STEP file if prefered, but it won't be much different from you importing my STL's. Agree though that the fact that Thingiverse only really shares STL's is sort of silly when they ALL were generated from editable 3D models to begin with.

I too would like the CAD file please. For personal use only.

Is this going to fit MMU v2.0?

What kind of screws were used for this case?

This is a copy of an old reply I gave way farther down in this comment thread:

If you look at hofftari's original case that I remixed (https://www.thingiverse.com/thing:1325370), He lists:
4x M3x16 screws for the case
2x M3x8 screws for attaching the case to the frame.

Raspberry Pi case for Prusa i3 / i3 Mk2

you should put this in the thing description ;)

I really like this design, but for some reason I can't seem to print the lid. The base printed no problem and looks great, but the lid gets to about 50% complete and seems to always hang up on the two standoffs that are between the network / USB ports. I'm trying to print it on an MK3. I've tried at least multiple times and it always seems to fail around the same part.

Were you ever able to get a resolution for the lid? I'm having the same problem. It just stops printing and says the print is done. I sliced using Slic3r PE.

How is it failing for you? Is the extruder knocking these delicate parts over? I don't have a true answer but would start by looking at your printer settings. Specifically, your first layer quality and adjust live Z height to make sure you are getting a good first layer. After that all I can think about is over or under extrusion and maybe your layers aren't sticking together strong enough (if it indeed is falling over there). This has currently been downloaded over 7600 times and as you can see here, 47 people have posted makes so I'm thinking it all has to do with the current tune of your printer. Maybe others here can provide better info.

Hello,

Could you make a hole near GPIO pin so we can connect the printer through the Serial port instead of the USB (that allows the RPI to be powered through the Einsy and avoid adding a PSU for the RPI.

Not 100% sure if you are looking to expose all of the GPIO pins or just some? I know from previous comments that Chris Petit remixed my design and exposed all the GPIO pins. Take a look at his remix and see if that is what you are after.

https://www.thingiverse.com/thing:2799219

OctoPi Case for Prusa i3 MK2S and MK3 with exposed GPIO ports

Yeah I saw it after posting my comment :)

By the way for those who are interested, the Einsy Board is capable of powering a RPI 3B through the extension port.

Comments deleted.

Is there a version that fits with the MMU?

I own the MMU v1.0 but have never installed (and not sure I ever will). So I have not had the need nor opportunity to look into making a version that is compatible. Sorry. Anyone interested in a new in box MMU v1.0 at discount price?

Very nice job on designing this case. Fits the Pi 3A like a glove, perfect alignment with the Prusa MK2 frame and easy to get OctoPi working. Nicely done and thanks.

Good day. Is there other files of this case available for Fusion 360 so I don't have to go through the process of converting the STL.files?

Many Thanks

This was just what I needed for my Prusa MK2.5 upgrade. Thank you!

The RPI 3 B fits but be carefull because the support that is near the charger connector can make presure over a resistence (named L2 in the board). I broke one :(. I fix it making a cut in the suports for make them thinner.

Looks like someone has indeed printed this and the pi3 B fits just fine.

Finished the config for my kit-built MK3 this weekend and this was the first productive print. Everything fits perfectly! For the camera, did you use a 1m ribbon cable to get from the case to the camera on the front corner?

Anybody know if that mount configuration works well for the Octolapse timelapse movies?

Webdad,
Glad this worked out for you and good luck with your new printer. This is a very satisfying hobby! I did use the 1 meter cable (got mine from Adafruit https://www.adafruit.com/product/2143) and it worked out really nicely. I also printed a few extra of Prusa's ribbon cable clips to neatly route it under the printer. I can't remember if I located those with the Drivers/Firmware, his site or the Prusa GitHub site. But they are out there and open source if you need them.

I use Octoprint and time-lapse all my prints. Works perfectly. Originally, that camera's ball mount seemed like it might work loose and I thought I'd have to redesign and make something that could be snugged into place with a locking screw but it works well and stays put even with all the back and forth during infills.

Does it make any difference as to whether it is printed in PLA or PETG (i.e. different shrinkage amounts)?

Printed this off last night at 0.1mm layers while it came out beautifully, The trouble lies in the holes. The 4 holes in the lid came out too big for M3 screws and they just fell into the hole. I may be missing something here but I am working on making the holes smaller in solid works.

Love the case design, but I have the exact same problem as Keepars. Printed at 150um, the holes in the lid are too big for the M3 screws. Also, we are using the new Pi 3B+. The mounting holes in the board are 2.75 mm (per Raspberry Pi specs on website) and the 3 mm bolts will not go through them. I believe that the Pi 3 also has the same sized PCB mounting holes. It appears that the case may work better with 2.5 mm bolts.

With so many people successfully printing this case, we must be missing something. What are others doing to successfully print the case so the screws will attach the two halves of the case?

Just printed the board with 0.15mm layer height, and M3 bolts worked perfectly. They need to bite a little in the raspberry pi, but they do fit perfectly afterward.
I used 4x M3x20mm flat-head machine screws, the result is a very nice flush top.

The only thing that sticks out to me is you both seem to be printing at pretty low layer heights and you both seem to have a problem. Mine was printed at .2mm layers height. While I do remember having to bore out the PCB mounting holes, I had no problems biting the screws into the plastic to secure the two halves together.

Are you possibly under extruding? Maybe find a calibration print on Thingiverse and test fit 3mm bolts into it to see if the calibration is off?

Did you have to make any adjustments to the X-axis cabling?

Printed this, but unfortunately the cables exiting the top of the Rambo case clash with the corner of the octopi case in some positions. (MK2S, otherwise unmodified)

Just printed and its a perfect fit with a raspberry pi 3. Thanks for sharing this it will be realy nice on my MK3

This doesnt fit my MK3. The lid/mount has two horizontal holes.. but on the MK3 frame, there are 3 spare holes which are in a triangle.

I am going to try and redraw the mount to match the holes.

Please ignore previous comment. jweaver has confirmed this DOES fit MK3!

jweaver's update:

"I went back are read the comments and realised he was talking about the mount.. BUT..

Ignore me as it DOES fit.. There are 4 holes not 3.. 1 was in the shadow.

So please add MK3 in the title again as its a perfect fit.. The only thing I am going to do to change is to move the screw holes 1-2mm as my motor touches the box.. This is because I have my motor rotated 45 degrees due to an upgrade that helps with tensioning the belt, and because of this, the corner of the motor just about touches the case.

But if I move the screws to the right, it will push the box over to the left.

This isn't likely to affect many people, so I wouldn't worry about. "

Comments deleted.

I went back are read the comments and realised he was talking about the mount.. BUT..

Ignore me as it DOES fit.. There are 4 holes not 3.. 1 was in the shadow.

So please add MK3 in the title again as its a perfect fit.. The only thing I am going to do to change is to move the screw holes 1-2mm as my motor touches the box.. This is because I have my motor rotated 45 degrees due to an upgrade that helps with tensioning the belt, and because of this, the corner of the motor just about touches the case.

But if I move the screws to the right, it will push the box over to the left.

This isn't likely to affect many people, so I wouldn't worry about.

Appreciate it jweaver. I'll remove my edits and leave the full MK3 compatibility.

Awesome case!
I would like to add cut away part in the top so you can access the GPIO's. In my case it is for the following: https://www.lisiparoi.com/

there is a nice camera case here: https://www.thingiverse.com/thing:2382534 but I would like to power it with my Rpi3...
Can you give me the source files? Thanks!

Raspberry Camera Lisiparoi Mount
by jov58

Any luck? I could use the same upgrade.

Edit: Nvm :). Meshmixed it to have a GPIO slot, just printing now :).

OctoPi Case for Prusa i3 MK2S and MK3 with exposed GPIO ports

Thanks for sharing this design/remix. I've printed 2, 1 for MK3 and 1 for MK2s. I love the way they fit on printer. I'll have to order some short usb cables too. Can some1 link the screws that join the case halves. My M3 x 16 are too small in diameter, so they dont bite the bottom half case. For now I just taped it.
These were too narrow in diameter:
Link: http://a.co/hKrcKBt

m3x10 for the frame and m3x 16 for the pi.
they fit snugly for me. in fact i had to slightly drill the holes out to fit the heads

Can confirm M3x16 works perfect for the Pi though the heads are a bit snug at first. I believe I used M3x8s for the frame but looks like M3x10s would have worked perfectly.

I could not get the 3mm screws thru the Pi.

Nice but my MMU (Multi Material Upgrade) motor multiplexer is in the way. No good.

Yep from day one I knew this was using the MMU mounting brackets. As a matter of fact, it is the very first line in the description for this thing. I got my own MMU a month or two ago but haven't had a chance to install. Once I do, I'm sure I'll consider modifying this to fit if I don't find a better solution out there in the wild.

Also fits Prusa i3 MK3. Check pictures here: https://www.thingiverse.com/thing:2736439

Prusa i3 MK2/MK3 Raspberry Camera Mount
by jgeyer

Thanks for confirming that jgeyer! I've updated the description to include MK3 as well as MK2S.

Comments deleted.

Can you provide me with the source files or help me enlarge the case (PM'd as well :)), so the GPIO pin's have more space.

I bought this, but still missing clearence - https://www.adafruit.com/product/2823

I'm trying to add temperature sensor DHT11 to my printer but can't run the wires as there is too little space. The Pi needs to move away from the base about 3-4mm for it to clear.

Another bigger remix would be to add room for DHT11 inside the case somehow.

Not really good at 3D CAD, but if I could get the source files, maybe I could work something out myself (first time though).

Anyone can help me ?

PM with links sent. Please share or attribute any Remixes as I'd love to see what you come up with.

I'm trying to do basically the same thing, but for a DHT22. Could you send me the source files also? Thanks!

Anybody has a Pi case for the Prusa i3 MK2S with the multi-color upgrade?

Note that the upgrade is using the same two holes in the frame as this RPi case.

Ya I've been thinking about that as I have my MM upgrade coming in November. I imagine the answer will be a creative melding of his new multiplexer box with something like this case. Anyway keep an eye out here as I'm sure ill give it a shot unless someone else posts a really sweet solution sooner.

A creative melding of the new multiplexer box with something like this case is exactly what I was thinking. Got a Pi Zero today to test OctoPrint. It's way smaller than a Pi 3, so the new Frankenstein case should be easier to design. Or even attach a minimal Pi Zero case with small M3 screws to the multiplexer box?

Edit: Here is the RPi 2/3 minimal case.

Minimal Raspberry Pi Zero Case/Holder
Minimal Raspberry Pi 2/3/4 Holder (Vesa 100)

Is this case compatible with the Raspberry Pi 3 ?

I can't answer that as I don't own a Pi 3 but I doubt it. I use Pi 2 so I specifically found and remixed my design from hofftari's Pi 2 case found here. (https://www.thingiverse.com/thing:1325370). Maybe someone else here will have a beter answer for you but I really doubt they are the same shape so doubt my case will work for you.

Raspberry Pi case for Prusa i3 / i3 Mk2

When looking at pictures and dimensions they look identical. I will let you know after i have printed the case and checked fitment.

smile

I can confirm that the case fits the Raspberry Pi 3 like a glove. The dimensions are identical to the Raspberry Pi 2.

I appreciate this feedback! I'll update my description to make that more clear.

Nice case - thanks for the design. I printed in black so I need to drill a couple of small holes on top to be able to see the LED's.

Are the screws used to close the case still M3 or M2.5?

M3. See previous reply for details and link back to hofftare's original thing.

Any chance of the Fusion files for this? I'd like to tweak it slightly (increase the diameter of the bolt head recess, add a cable entry gland) for my printer :)

Sure, PM me and we can discuss file type etc. and how to get them to you. Keep in mind this is just hofftari's imported STL that I cleaned up a bit by removing triangles and then added my new elements. Might not be as easy to work with as you hope.

If you look at hofftari's original case that I remixed (https://www.thingiverse.com/thing:1325370), He lists:
4x M3x16 screws for the case
2x M3x8 screws for attaching the case to the frame.

The MK2S has two tapped holes there which I believe are for the multiplexer board for the multi-material upgrade but they work great for mounting the Raspi.

Raspberry Pi case for Prusa i3 / i3 Mk2

How did you attach this to the frame? And what hardware are needed? I can't seem to find that info

nice case, i will be printing it this week!

Quick question, where did you get that tiny USB cable from?

Look in the text after the last picture of the case and you will see the Amazon link to the cable. Makes for a really nice installation!

Cheers buddy!

You gave me the right search criteria to find one in the UK! i opted for this,

https://www.amazon.co.uk/gp/product/B00XW2JZFO/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

Many thanks,
Will

This is great, can you make a revision with hole for pin headers? To support hats?
Cut off a rectangle, and use 4 tiny supports that easy to break with some force, to people allow to break and access to headers

Made one of these. Nice design. I would post a picture but it's in black, which won't show the detail any better than your pictures. Looks great on the MK2S!

Someone asked what camera case I was using so I posted up my remixed design here if anyone is interested. https://www.thingiverse.com/thing:2352964

MK2 and MK3 Pi Camera Mount with bottom exit ribbon cable

If it was snap together, it would be perfect! ;)

Agree 100% and thought the same thing when I first printed and had to find fasteners!! However, I do really like the look of it with the recessed socket heads in there. I want to experiment with snap fit enclosures more as I've seen some Layer By Layer videos where Noe shows how this can be done. If I ever figure it out I'll certainly consider updating this one.

what Camera Case are you using?