MiSTer - Case Universal v5.2 - 3D printed

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NegSol
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Re: MiSTer - Case Universal v5.2 - 3D printed

Postby NegSol » Thu Mar 22, 2018 7:41 pm

Looks good! Good work! :)

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Re: MiSTer - Case Universal v5.2 - 3D printed

Postby deadlocked » Fri May 04, 2018 2:55 am

My "xs" case printed on my toy 3D printer.

I had to change the push buttons as they were not tall enough to reach the top of the case. If you get the XS case, you may have to do the same. I added a (plastic) spacer the same height of the metal spacers to the I/O board (you can see it right next to the memory board) to prevent the board from sagging down on the end that does not reach the edge screws. I also put a plastic separator on top of the RJ45 jack to keep the bottom of the I/O board from short-circuiting against the metal. The fan will be flush against the top of the case, as there is no clearance left, but the case does close…. Oh and I used the metal spacers that came with the DE-10 board, as they were just about the right height for about 1mm off the top of the button caps to peek through the top of the case.

Since the I/O board does not reach the spacers on the LED/button side of the board, the whle board will sag on that end when you press a button. The extra plastic spacer that I added and the 1mm plastic disk that I added on top of the Ethernet jack will keep the board level.

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Re: MiSTer - Case Universal v5.2 - 3D printed

Postby Sorgelig » Fri May 04, 2018 3:35 am

@deadlocked
It seems your photos are missing
You can add a plastic spacer near the SDRAM board - that's why there is a 3mm hole there.

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Re: MiSTer - Case Universal v5.2 - 3D printed

Postby deadlocked » Fri May 04, 2018 3:46 am

@Sorgelig

I tried uploading the photos several times from different browsers. I always get "Error parsing server response", so I cannot upload anything.

and yes, the hole right next to the RAM board is where I put the spacer, you would clearly see it in the pictures... if the forum allowed me to upload.

Tried to zip the files and I got "file is too big" error.

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Re: MiSTer - Case Universal v5.2 - 3D printed

Postby Sorgelig » Fri May 04, 2018 4:16 am

you can upload pics on some other picture sharing site and then link to it.
This forum is very restrictive, unfortunately.

NegSol
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Re: MiSTer - Case Universal v5.2 - 3D printed

Postby NegSol » Fri May 04, 2018 11:01 am

I would be interested in see your photos too :)

I guess it depends on the push buttons you use. I modelled the XS close to the v.5.2. And my v5.2 buttons can be pushed without to much force, so it works without spacer for me. But sure - space are a good solution should you have the need to compensate here. :D

Anyways, thanks for your feedback on the XS!

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Re: MiSTer - Case Universal v5.2 - 3D printed

Postby nightshadowpt » Sat Oct 13, 2018 1:22 pm

Hi NegSol,

Just out of curiosity, did you ever figured a solution to use 80mm or 60mm fans in the case?

I am now using my MiSTer quite a bit more and I'm thinking about 3D printing your model, but would like to use the latest version and (if available) one with support for larger fans.

Also, do you recommend any place to order it from?

Cheers,

NegSol
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Re: MiSTer - Case Universal v5.2 - 3D printed

Postby NegSol » Sat Oct 13, 2018 4:06 pm

Larger fans are not really required imho. I use a 40x40x20 fan with halfed voltage. With lower voltage noctua fans run nearly silent. I use this one https://noctua.at/en/nf-a4x20-flx for both my MiSTers.

As for the case, 5.2 universal is still the go to case.
https://www.thingiverse.com/thing:2684660

5.2 should work with most MiSTer configurations.

There is an XS variant available, should you really be interested in a smaller form factor.
https://www.thingiverse.com/thing:2740925

Sellers of cases are around. I have seen them on facebook and also with online stores etc.. I guess most print the cases on privat printers or hire somebody locally to do it. Thingiverse has a build-in print service finding section.

Cases are available on shapeways for thoses who want professional service (see my signature). Prices of shapeways are twice as high though. :megaphone:

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Re: MiSTer - Case Universal v5.2 - 3D printed

Postby nightshadowpt » Sat Oct 13, 2018 5:02 pm

NegSol wrote: I use a 40x40x20 fan with halfed voltage.


The problem is that solution requires additional soldering skills (that I don't have) and it's not as plug and play as just swapping the fan.

Just checked the price on shapeways and wow... 104€ for the case...

Does the quality difference justify the price? (honest question)

Cheers,

NegSol
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Re: MiSTer - Case Universal v5.2 - 3D printed

Postby NegSol » Sat Oct 13, 2018 5:21 pm

nightshadowpt wrote:
NegSol wrote: I use a 40x40x20 fan with halfed voltage.


The problem is that solution requires additional soldering skills (that I don't have) and it's not as plug and play as just swapping the fan.



I do not know what soldering skills you are referring to. I/O-Board of MiSTer hast plenty of connectivity options. You will find 5v and 3,3v pins exposed. The fan has minimal power requirements. Of course a pin connector or something you crimp on has to be attached to the fan, but soldering I don't see.

nightshadowpt wrote:
NegSol wrote: I use a 40x40x20 fan with halfed voltage.

Does the quality difference justify the price? (honest question)

Cheers,


For some it apparently does - I do not blame them - I also personally like shapeways services. :D
Last edited by NegSol on Sat Oct 13, 2018 10:05 pm, edited 1 time in total.

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Re: MiSTer - Case Universal v5.2 - 3D printed

Postby nightshadowpt » Sat Oct 13, 2018 6:27 pm

NegSol wrote:I do not know what soldering skills you are referring to. I/O-Board of MiSTer hast plenty of connectivity options. You will find 12v, 5v and 3,3v pins exposed. The fan has minimal power requirements. Of course a pin connector or something you crimp on has to be attached to the fan, but soldering I don't see.


Admittedly, it could be my ignorance about the board, but when I look at the picture where you have connected the Noctua, my board does not have those pins... (I rechecked). I can solder some, but right now, there's only the traces there...

Anyway, I'll find a solution.

Thanks for the case design!

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Re: MiSTer - Case Universal v5.2 - 3D printed

Postby NegSol » Sat Oct 13, 2018 6:46 pm

I guess you have a v5.5 I/O board. Correct? Yes, those are a bit more streamlined. v3.1 and 5.2 (the ones I own) had more pins ...
Anyways, for the v5.5 (which I do not have) my best bet would be to use the existing 5v fan pins. Just attach a 12v fan. Use a noctua fan and it should spin up just fine. Cheap 12v fan might refuse to spin up :mrgreen:

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Re: MiSTer - Case Universal v5.2 - 3D printed

Postby THaase » Sun Oct 14, 2018 7:07 am

Or you use the 5V version (NF-A4x10-5v) as I do and add a 68R resistor (1/8W us fine) to the powerline.
The 5V version needs about 3.1V to start and consumes about 0.28mA (if I remember it right).
So using 68R reduces the rotation speed to the maximum (with the next one of E12 the fan will not start up anymore).

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Re: MiSTer - Case Universal v5.2 - 3D printed

Postby DanFromMa » Fri Oct 26, 2018 8:26 pm

I am considering purchasing a 3D printer, has anyone any idea on how much PLA is needed to print the 5.2 universal case?

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Re: MiSTer - Case Universal v5.2 - 3D printed

Postby NegSol » Sat Oct 27, 2018 8:00 am

Using 20% infill and 3 Top/Bottom layers and 2 outer shells you will need around 103 grams or 35 meters of material. Of course this will vary slightly from printer to printer. 8)
Last edited by NegSol on Sat Oct 27, 2018 10:15 am, edited 1 time in total.

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Re: MiSTer - Case Universal v5.2 - 3D printed

Postby DanFromMa » Sat Oct 27, 2018 9:32 am

NegSol wrote:Using 20% infill and 3 Top/Bottom layers and 2 outer shells you will need around 103 grams or 35 meters of material. Of course this will very slightly from printer to printer. 8)


Thanks, that really helps!

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Re: MiSTer - Case Universal v5.2 - 3D printed

Postby Sefirosu » Sat Oct 27, 2018 1:00 pm

DanFromMa wrote:
NegSol wrote:Using 20% infill and 3 Top/Bottom layers and 2 outer shells you will need around 103 grams or 35 meters of material. Of course this will very slightly from printer to printer. 8)


Thanks, that really helps!


That’s pretty much spot on, I took a look at my settings when I printed mine and I’m at 110 grams (PETG). But anyway, you can print many things with a 1kg spool.


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