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Mini ITX NAS Case with hotswap HDD tray

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Creation quality: 5.0/5 (2 votes)
Evaluation of members on the printability, utility, level of detail, etc.
  • 3.6k views
  • 10 likes
  • 102 downloads
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STL Folder details Close
  • case_panel_back.stl
  • case_panel_bottom.stl
  • case_panel_front.stl
  • case_panel_left.stl
  • case_panel_right.stl
  • case_panel_top.stl
  • hdd_caddy.stl
  • hdd_panel_left.stl
  • hdd_panel_right.stl
  • hdd_sata_backplate.stl
  • rubber_feet.stl

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Publication date 2023-07-23 at 10:55
Design number 1340204
LNT

LNT

3D printer file info

3D model description

3D printed MiniITX NAS case with hotswap HDD trays
The case is designed to be printed on Prusa MK3S printer bed size. I mounted an ASrock N3150ITX motherboard, but it should accommodate any miniITX motherboard, I designed it to support intel CPU cooler.

HDD trays can be taken out without needing to open the panels, and they're designed to give maximum airflow for best cooling. When testing the HDD's did not go over 32 degrees Celsius with the case fully closed.

Prints:
- case panels (front, back, sides, top, bottom
- hdd tray holder left and right
- hdd caddy
- sata bracket mount
- case rubber feet

All except the rubber feet can be printed in PLA or PETG, the rubber feet should be printed in TPU or other flexible material to avoid transmitting vibrations. I printed it in PETG as it's a bit more flexible than PLA and not that easy to crack when tightening the screws, although they should not be hard tightened as I managed to crack the front panel when testing.

Materials required:
- M3 screws and nuts of different sizes, 12, 16 and 18mm
- M4 screws for case rubber feet
- sata 22 pin adapter for the hotswap tray
- L shaped sata power cable
- L shaped sata data cable
- power button with power led
- 120mm fan
- TFX power supply

The L shaped power and data cables are needed as there is very little space between the hdd enclosure and the back fan.

Before starting the assembly insert the M3 and M4 nuts and add a bit of glue to hold them in place, otherwise when opening the panels they tend to fall out inside the case.
When tightening them don't use force, just be gentle so you don't crack the panels as I did with the front one.

For mounting, the order should be
- bottom, left front and back panels, add rubber feet
- mount back fan
- mount power supply
- prepare the hdd enclosure and mount everything before inserting in the case
- mount the power button
- mount the motherboard on the right side panel
- connect all cables and mount the right side panel
- mount the top panel

Optional add a back protection grid for the fan.

3D printing settings

PETG or PLA
- 4 perimeters and 10% infill
- disable loop (first test line around the object) in order for the case panels to fit on the Prusa MK3S bed

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