Modular 3" rack (for Raspberry Pi and other small electronics)
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Have too many Pi's taking up space, or a serious case of rack-envy after browsing /r/homelab? A solution for both!
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Have too many Pi's taking up space, or a serious case of rack-envy after browsing /r/homelab? A solution for both!
Included modules (so far):
- Raspberry Pi 1
- Raspberry Pi 2, 3 &4
- Generic tray 109x70mm
- Generic tray 109x70mm (skeletonized/airflow)
- Tray for Fioo Olympus 2 DAC
- Tray for Lexar USB 3.0 SD+CF reader
- Cable guides
Required hardware/BOM:
- 2x 2020 aluminium extrusion - I used generic profiles, but anything with a slot should work I think. I included a test file to check the fit without printing the whole thing.
- 4x M6x16 BHCS - These screw into the top and bottom of the extrusions. If you have Misumi extrusions, you may need M5 bolts instead.
- 2x M3 T-nut (for each rackmounted device)
- 2x M3x8 SHCS bolt (for each rackmounted device)
- An M5 or M6 tap to make threads in the ends of your 2020 extrusions
If you live in a hot climate, PLA may not be the best material choice.
Make your own modules:
I've included the (somewhat messy) Fusion360 design file, so you can make changes or use it as a starting point for your own design. Use the template sketch to create your own module and extrude it by -2 or -3mm, then use the rack ears sketch to create the tabs.
Pointers for making your own trays:
Horizontal distance between the two extrusions: 76.2mm
Extrusion size: 20x20mm
Extrusion slot insert width: 5,6mm