Mistral-E Filament Cooling Duct 3D printable model by Leo_N
Mistral-E Filament Cooling Duct photo 1 Mistral-E Filament Cooling Duct photo 2 Mistral-E Filament Cooling Duct photo 3 Mistral-E Filament Cooling Duct photo 4 Mistral-E Filament Cooling Duct photo 5 Mistral-E Filament Cooling Duct photo 6

Mistral-E Filament Cooling Duct

Source: Thingiverse by Leo_N

The Mistral-E Filament Cooling Duct is a free printable 3D model from Thingiverse by Leo_N. I've owned my Ender-3 Pro V1 for 3 weeks now (as of this writing) and one of the first things that needed improvement was the filament cooling duct. You can download the STL file from the original listing below and print it at home.

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5,483 saves Source: Thingiverse Updated 2026-09-17 License: CC-BY-NC · non-commercial 63 makes Category: 3D Printer

Tags: cooling duct, creality ender 3, Ender 3, mistral

About this model

I've owned my Ender-3 Pro V1 for 3 weeks now (as of this writing) and one of the first things that needed improvement was the filament cooling duct. The original isn't that bad but it doesn't blow the air where it's needed the most, concentrated below the nozzle. This is particularly important when printing overhangs and slim pointy objects. Mistral-E design objectives: - Use with original fan that comes with the printer. - Blow high volume air on the filament just beyond the nozzle. - Avoid getting any cooling air on the heater block. - Designed to get the hot air away from the object as fast as possible. - Create a version that is compact and will not interfere with auto level sensors. - Reduce the noise level of the fan as much as possible. - Make it as light as possible to avoid high m…

Frequently asked questions

Is this 3D model free to download?
Yes. Mistral-E Filament Cooling Duct is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?
The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by Leo_N.
Who made this model?
Designed by Leo_N, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?
Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

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