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Logitech MX Master 3 Case (Updated) 3D Printer File Image 1
Logitech MX Master 3 Case (Updated) 3D Printer File Image 2
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Logitech MX Master 3 Case (Updated) 3D Printer File Image 4
Logitech MX Master 3 Case (Updated) 3D Printer File Image 5
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Logitech MX Master 3 Case (Updated)

shakeNbake08 avatarshakeNbake08

November 22, 2025

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Description

Clam shell protective case for Logitech MX Master 3 & 3S.

Magents
  • Fits together with either four 4x4mm or 6x3mm magnets. Choose the right files below.
Location Pegs
  • Cut 2x 8mm lengths of 1.75mm filament. Press fit or glue into the small holes on the Back Case
Protective Liner (Optional)

I was worried the 3D print would rub on the paint and rubber of the mouse over time, so lined the inside with some 0.5mm adhesive back silicone I had, slightly thicker/thinner would also work. I have added a .pdf of the unwrapped template to cut out and assemble yourself.

Model Update (V2)

  • Holes made larger for 6x3mm magnets to fit without heat pressing
  • Thickened walls around the magnets
  • Added location pegs to align the 2 halves together, this means case can still be printed flat without support, see above for assembly instructions
  • Thanks for the feedback on improvements to make

Print Settings:

  • Printed 0.2mm layer height
  • 0.4mm nozzle diameter
  • Can print without support (depending on slicer and print tuning, I used near default settings on SuperSlicer and Bambu Studio)

License:

Creative Commons — Attribution — Share Alike

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