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Diskette Case - Modular Open Source NAS Chassis — image 1
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Diskette Case - Modular Open Source NAS Chassis

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An ITX PC case which fits a full sized ATX PSU

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Model information

Category
Computers
License
Creative Commons — Attribution — Noncommercial — Share Alike

I've designed this to be both functional, decorative, and relatively easily modifiable. It's fully passively cooled with the open voroni lattice and supports up to 6 2.5" hard drives or SSDs. If you don't need storage, you can just not print the basement section at all. 

 

Watch the video about making Diskette Case:

 

Parts

  1. 6x hard drives or SSDs of your choice 
  2. 6x SATA cables
M3x10 Screws4xThese hold the bottom & feet onto the basement, they MUST be M3x10 or they will not go through enough, resulting in a weak spot
M3x8 Screws40xM3x6 will also work, just won't grab as well, M3x10 will poke through a bit
ATX PSU1xmodular or semi-modular is preferable
Printed Parts1xPrint the main structure in something strong like PETG or ABS. PLA for the side panels is completely fine
Mini-ATX Mobo

1x

  • Your CPU must have integrated graphics
  • Intel stock cooler (or something low profile) is required
  • Make sure it has enough SATA ports for the amount of drives you want
30mm Button1xSomething like https://metzler-electronics.com/metzler-push-button-momentary-30mm-led-circular-illumination-green-ip67-ik10-stainless-steel-flat-soldering-contacts
Mobo Screws4xThese are M3x5, no standoffs are required 
Dupont Connectors2x4xThese are for the power switch, if you choose a power button with an LED built in you will need 2 more
Drives or SSDs6xCurrently the design only allows for 2.5" HDDs or SSDs for the sake of size, please let me know if you would like a 3.5" version
SATA  Cables6xJust like the drive count, you can of course choose to have less
Zip Ties8xThese fasten the 3 main sections together, I would recommend attaching the mobo tray and PSU holder together first, then onto the basement
 Drive Screws12xUsually, these are M3, but double check about your specific drive first

Assembly

  1. Zip tie the mono tray and power supply tray together
  2. Partially Zip tie the basement on (just attach to two which do not overlap with the drive tray
  3. screw your drives onto the drive tray
  4. Zip tie the tray with the drives on
  5. Screw in the motherboard (make sure to add your I/O shield first if you have one
  6. Fit in and screw on the PSU and plug in necessary cables
  7. Plug in all the connections for the drives and power supply
  8. Cable manage if you desire
  9. Screw on the bottom
  10. Attach the basement side panels
  11. Add the power button to its panel and plug in it's Dupont connector to the power button header on the motherboard
  12. Screw on the rest of the side panels (Use diagrams on photos 6 & 7)
  13. Install your software (I chose TrueNAS Scale)
  14. Enjoy!

Variations

  • If you simply want a nice looking ITX case and don't need the drive space, simply print the mobo tray and PSU holder without the basement and then screw the base on directly to that.
  • Coming soon: vector files for laser cut side panels 

Contributing/remixing

I absolutely encourage modifying this to your liking, things like side panels are super easy to customize in Fusion. If you notice any problems which I didn't catch please email me at

[email protected] or send me a DM on Instagram on Bluesky

Notes 

*It does not include a hole in the back for a graphics card, you will need to rely on integrated graphics 

*Print the main structural parts (mono tray, PSU holder, basement, & bottom) in PETG, ABS, or ASA they are not strong enough in PLA, the side panels are absolutely fine in PLA

 

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