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Longer LK4 Pro Fan Duct 40mm 3D Printer File Image 1
Longer LK4 Pro Fan Duct 40mm 3D Printer File Image 2
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Longer LK4 Pro Fan Duct 40mm 3D Printer File Thumbnail 1
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Longer LK4 Pro Fan Duct 40mm 3D Printer File Thumbnail 3
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Longer LK4 Pro Fan Duct 40mm

Zhero avatarZhero

September 19, 2025

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Description

This is a remix of this model

 

What I modified:

  • Fixed mesh vertices
  • Smoothed mesh edges
  • Fixed internal ducts for better flow
  • Fixed top fan socket (roundend screw holes and mesh)

 

Versions

  • Mod: You can install it under the right wheel of the bed;
  • Mod No Holes: I removed the two holes as they are hardly usable because of their depth of 3mm

 

How to print

You can print it without supports (there's a bridge) or you can add touching buildplate supports

 

How to install

  • Just unscrew the original mount and install this one with the two original hex screws
  • I used two Noctua NF-A4x20 PWM fixed with two screws each (see image)
  • When homing the x-axis, the 20mm front fan touches the lcd screen, so I moved it to the left (see photo) or, as manuelveschi says, use 10mm fan

 

Print Settings

  • Printer: Longer LK4 Pro
  • Supports: No
  • Infill: 20%
  • Filament: eSun PLA Matte grey

 

How I Designed This

I used Blender

 

Donation

If my work has helped you, consider buy me a coffee (I prefer it espresso :3). Thank you
https://www.paypal.me/MauroTritto

License:

Creative Commons — Attribution — Noncommercial — Share Alike

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