Prusa i3 MK3 Cooling fan Nozzle / Shroud 3D printable model by Petclaud
Prusa i3 MK3 Cooling fan Nozzle / Shroud photo 1 Prusa i3 MK3 Cooling fan Nozzle / Shroud photo 2 Prusa i3 MK3 Cooling fan Nozzle / Shroud photo 3 Prusa i3 MK3 Cooling fan Nozzle / Shroud photo 4 Prusa i3 MK3 Cooling fan Nozzle / Shroud photo 5 Prusa i3 MK3 Cooling fan Nozzle / Shroud photo 6

Prusa i3 MK3 Cooling fan Nozzle / Shroud

Source: Thingiverse by Petclaud

The Prusa i3 MK3 Cooling fan Nozzle / Shroud is a free printable 3D model from Thingiverse by Petclaud. This a a remix of two parts: the original cooling fan nozzle as provided by Prusa and the MK3 Surround Shroud as made by Codiac2600 ( My original nozzle was very skewed after. You can download the STL file from the original listing below and print it at home.

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85 saves Source: Thingiverse Updated 2026-10-15 License: CC-BY · commercial OK Category: 3D Printer

Tags: Cooling Fan Nozzle, cooling duct, cooling fan, fan duct, fan nozzle, Original Prusa MK3, prusa, prusa i3, prusa mk3

About this model

This a a remix of two parts: the original cooling fan nozzle as provided by Prusa and the MK3 Surround Shroud as made by Codiac2600 ( My original nozzle was very skewed after months of use so had to be replaced (see pictures - apparently it could not stand the heat). There are many designs out there and I have tried several of them - among which the referenced nozzle as designed by Codiac2600. This nozzle design did not really work for me and I got better print results with the original nozzle / shroud. However I did like the solution Codiac2600 designed whereby the nozzle is supported by a vertical tab which is positioned between the extruder body and the cooling fan. Reason why I like this solution, is because the original cooling nozzle as provided by Prusa is attached by only one M3 bo…

Frequently asked questions

Is this 3D model free to download?
Yes. Prusa i3 MK3 Cooling fan Nozzle / Shroud 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 Petclaud.
Who made this model?
Designed by Petclaud, 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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