Minimalistic PC case for onboard graphics

SFX PSU - Mini ITX Motherboard - Up to 4x 2.5 SSDs - Chimney style airflow
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updated May 18, 2025

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I made this a while ago, nearly a year at this point. It has been working great!

Looks good, and fits a lot of stuff. I know this says "for onboard graphics" but there is plenty of room for a low profile gpu, so I did that.

Also repurposed the power button hole in the back as a passthrough for the discrete graphics card and to mount the MB wifi antenna internally, added front USB A and C and a power button there. Finally, added a bottom plate so I could put feet on the case itself and have it all contained and easier to move around.

Contains a 9800x3D and an RTX 5060

To get the graphics card to mount, I printed some brackets that use the GPU's backplate mounting holes to fix the GPU to the case. It also required a low profile 90 degree 2x8 PCIe adapter and a hole in the top plate to make room for this. I would be happy to share the files I used for this with the creator if they want to add this as an option, fair warning though, the hole in the top plate didn't fit by a few MM and I just made it bigger manually.

To make sure the GPU could breathe, i printed the top with a vent on the side over the GPU, and I am sure if you have a CoreXY printer, this would look good. My Ender 3v2 wiggled too much and it wound up not looking great near the end of the longer unsupported extensions.

All printed in PETG

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This is an awesome modification! Thank you very much for sharing your experience.

About the GPU ventilation, a tip for that type of vent design is to add a thin horizontal support every 10-20mm, just roughly 2mm thick is enough to bind the hanging parts together for a much more stable and strong joint.

See my recent v2 design for inspiration on how to solve the air vents on that type of design 😁

Haven't quite finished out the build yet, but I was able to get the Framework Desktop mainboard (AMD Max+ 395 w/ 128GB of unified memory) to fit and the build thus far has been so smooth! Plus, there's such a great amount of space for everything even in such a small form factor, just wow!

The only issue I had was that there isn't a bottom to help keep the extra lengths of cables coming from the PSU in place after finishing with cable routing to ensure everything stays in place when picking it up. Though I think this might only be an issue due to how much I'm trying to route out from inside of this case to external components, so I cannot fault the design for my own tech insanity. Haha!

I'm planning to possibly remove a few of the air intake fins (or better yet modify them to fit the Framework Desktop USB-C connections, if I ever find the time) to allow for routing out the WiFi/Bluetooth antennas as well as an OcuLink cable for my 6800XT as an eGPU. I'm just debating on whether I should try to use the rear M.2 slot, which is, sadly, covered by the motherboard mounting bracket, or the x4 PCIe slot on the front. I'm leaning towards the PCIe slot just because that likely wouldn't require any reprinting of the motherboard mounting bracket.

Filaments used:
Bambu Lab ABS Navy
Bambu Lab PETG Translucent Purple
Bambu Lab PETG Translucent Light Blue

Keep up the great work and, should you ever update this to accommodate eGPU cable routing (assuming I don't get to it myself first), then I can guarantee I'd buy an updated model! :P

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Hey, awesome build!

The bottom cover idea is for sure something to think about for future versions. I did not really think about that some people might move this around a lot. It was designed with a stationary position in mind.

Modifying the motherboard mounting plate to access the M.2 should not be a big challenge if using the included .step file.

Modified the motherboard holder to accommodate an extra small factor pc, added a bottom cover for the power supply and a back plate to the bottom to accomodate the power inpup and power switch, added an arduino to control the top fan based on inside temperature and some addressable LED's. Running batocera for some fun reteo gaming. Love the design of the case. Printed in black PLA plus and the ventilation was painted with a gold acrylic spray. (edited)

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came out beautifully, would love a mATX or ATX version of this if you ever decide to make it for a full size PSU!

@ChazH_2428785 Awesome to hear!

I'm actually planning to make another version in not too long, however it's not currently intended to be mATX or ATX, but if possible it may include support for ATX PSU. And the idea is to include support for a GPU this time. (edited)

Thank you! Everything was perfect, and your design is truly legendary. I had absolutely no trouble printing and creating this.

For the materials, I used Anycubic ASA White for the white parts (which turned out slightly yellowish) and SUNLU Matte PETG Orange for the orange sections. The PETG was actually better than I expected. I prioritized quality over speed, so the top cover, with its 3 walls and inner/outer/inner layers, took around 35 hours to print. ASA was surprisingly great to work with, though the smell was a bit annoying.

The build itself features an AMD 5700G, 16GB RAM, a 512GB M.2 drive, and a 4x500GB RAID. I'm happy to report that the temperatures are excellent, and the noise level is low.

I'm incredibly happy with the result – thanks again!

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That's awesome! Thank you very much for sharing your experience! It's great to hear back some success stories like this!

The top cover was my longest print up to date, but really happy how it turned out! Just need to make a custom power button and then we're all set, thanks!

Printed in petg & pla (the blue parts)

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Great to see it all worked out, thanks for sharing! 😊

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That’s amazing! I love the colors, they look great!

I loved to design so much I started gethering parts over the past few months. Add my own twist by adding WLED driven 160 LEDs. Create a bottom mounted feet and LEDs to so I had two rings of LEDs though one 3 feet string. ESP32 powered off of internal USB port.

i5-13500, ASUS B760 Mobo. (edited)

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Thank you very much for sharing your make and for the 5-star rating! The LED modification looks great and well done!

@Bowmap_2997502 interested in the bottom mounted feet. Would you be able to share that file? I'm not thrilled with the open bottom exposing the PSU and cables. Everything's kinda tucked away and held on by pressure at the moment.

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So cool !

Printed in ABS and PCTG (edited)

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Awesome make! Thanks for sharing! I see a well deserved glass of wine after a completed build!

Now, one question, what's that monitor?

Great design and different in a time cubed 3d printed cases. I managed to get a 3050 gpu in the back. The mb ( MINISFORUM BD790i ) doesn't support sata and I had plenty of room to fit the mini gpu. Used PETG army green and PLA bronze for air intake. Anyone thinking of using this case will be happy they did.

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Hey! Thank you so much for the great feedback and 5-star rating! I love how you were able to fit a tiny GPU in there. Honestly, it did not cross my mind to try using a low profile GPU. This was genius, thanks for enlightening me with this clever modification! You just triggered a few new ideas in my head for future projects!