NanoPi NEO3 under desk / wall mounting enclosure

Enclosure for NanoPi NEO3 for mounting under a desk or on a wall.
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updated August 18, 2025

Description

PDF

This enclosure is designed to mount the NanoPi NEO3 under a desk or on a wall.

Difficulty Level: Advanced

  • A heated chamber is highly recommended.
  • Brass hot melt inserts require careful installation.

Preferred Printing Settings

  • Material: ASA (tested), ABS
  • Infill: 30% rectilinear
  • Perimeters: 3 (1.2mm)
  • Layer height: 0.1mm
  • Solid layers: 12 (1.2mm)
  • Supports: not required
  • Nozzle diameter: 0.4mm

Additional Components Required

  • Four M3 x 5mm Brass hot melt inserts (4.2mm OD)
  • Four M3 x 12mm hex socket or decorative head screws
  • Four M3 x 12mm screws with a small, flat-bottomed head
  • Four M3 nuts

Additional Tools

  • Heat-Set Insert Installation Tool

Warnings!

  • Do not use countersunk head screws! Use only screws with a flat head on the bottom.
  • There is very little free space on the PCB around the mounting holes. For this reason:
    • Be sure to carefully check that the screw heads are not too large.
    • Confirm that there is sufficient space around all mounting elements.
    • Assemble the PCB to the mounting frame very carefully to avoid damaging the components.

Notes

  • Brass hot melt inserts must not protrude above the surface. 
    If precise placement is a problem, it's better for them to be slightly recessed than to stick out.
  • Due to limited free space, the mounting holes in the PCB mounting frame are designed with very little clearance - if they turn out to be too tight in the printout, they can be slightly filed out.
     

Model origin

The author marked this model as their own original creation.

License