Dual Fan Duct for Hotend

admin | 05.12.2025

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This 3D model is a dual fan duct designed to cool both the extruder and filament using a single 40mm fan.

Features:

Includes two STL files: one for the official E3D V6 hotend and another for a Chinese E3D clone.
The differences are in the diameter and height of the fan mount: 22.3mm height 26mm for E3D V6 and 25mm height 32mm for the Chinese clone.
Easy mounting: just screw a 40mm fan with 4 M3 screws to the fan duct and click the duct onto your hotend.
For best printing results, it is recommended to rotate the model 45 degrees with the fan mount facing down.

License: GPL. Feel free to modify the files, but publish your modified object under the same license and provide proper attribution.