CR-10 Fang for 40x40x20mm Fan Cooler 3D printable model by SanderPuh

CR-10 Fang for 40x40x20mm Fan Cooler

Source: Thingiverse by SanderPuh

The CR-10 Fang for 40x40x20mm Fan Cooler is a free printable 3D model from Thingiverse by SanderPuh. I didn't like the fang designs found on here, since not all of them would fit my higher Noctua A4x20 fans, that are 20mm high. You can download the STL file from the original listing below and print it at home.

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36 saves Source: Thingiverse Updated 2026-04-16

Tags: CR-10, Fang, for, 40x40x20mm, Fan, Cooler

About this model

I didn't like the fang designs found on here, since not all of them would fit my higher Noctua A4x20 fans, that are 20mm high. Others were not optimized in airflow. So I took some inspiration from a few different models, and modelled a version myself in Solidworks. The part fits tight on the stock extruder. Main inspiration sources: I have found that the current setup might result in loosening the hot end screws, they need to be mounted really tight, or use loctite blue. By making the holes on the cooling duct bigger, the original screws are mounted directly on the hotend cooler. The whole print cooling fang will sort of rest on the 2 screws, it isn't necessary for this to be mounted super tight like the hot end. I haven't been able to actually test this. Edit 21-3-2018: Uploaded the the o…

Frequently asked questions

Is this 3D model free to download?
Yes. CR-10 Fang for 40x40x20mm Fan Cooler 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 SanderPuh.
Who made this model?
Designed by SanderPuh, 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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