40mm Swirl Fan Guard for quiet non-obstruced airflow 3D printable model by Tomaskom_cz

40mm Swirl Fan Guard for quiet non-obstruced airflow

Source: Thingiverse by Tomaskom_cz

The 40mm Swirl Fan Guard for quiet non-obstruced airflow is a free printable 3D model from Thingiverse by Tomaskom_cz. A fan guard for 40mm fans, which I installed on the Creality Ender 3 with HeroMe mod. You can download the STL file from the original listing below and print it at home.

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221 saves Source: Thingiverse Updated 2026-05-02

Tags: 40mm, Swirl, Fan, Guard, for, quiet, non-obstruced, airflow

About this model

A fan guard for 40mm fans, which I installed on the Creality Ender 3 with HeroMe mod. HeroMe exposes the fan, so I designed a guard. Does not need screws to install. Can be used on any other printer with 40mm fan. Most other guards I saw induced noise or limited the airflow too much. Main feature here is the guard is well tuned not to cause extra noise or obstruct the airflow in any significant way. I went through many iterations, you can use whichever you wish, but I suggest the final v8 for optimal results. Also print four of the pins and use superglue to put them on the back of the guard. No screws needed, it holds firmly in the fan holes. Note that you don't need to download the whole package (especially when going for the last iteration), pick the individual file. For tha v8, I also i…

Frequently asked questions

Is this 3D model free to download?
Yes. 40mm Swirl Fan Guard for quiet non-obstruced airflow is free to download from Thingiverse. Click the "Download free STL" button 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 Tomaskom_cz.
Who made this model?
Designed by Tomaskom_cz, 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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