![Slim cooling fan protection for Noctua 4040 [V1_REV.7]. by Angelo | Download free STL model | Printables.com Slim cooling fan protection for Noctua 4040 [V1_REV.7]. by Angelo | Download free STL model | Printables.com](https://media.printables.com/media/prints/70254/images/765661_8d694c8a-9a6e-4967-b195-a61ec085d69e/thumbs/inside/1280x960/jpg/photo_2021-06-30_20-12-16.webp)
Slim cooling fan protection for Noctua 4040 [V1_REV.7]. by Angelo | Download free STL model | Printables.com
![I wanted to upgrade my stock part cooling fan to a pair of noctua 40mm fans and when I did a test run they barely push any air through the ducts compared I wanted to upgrade my stock part cooling fan to a pair of noctua 40mm fans and when I did a test run they barely push any air through the ducts compared](https://i.redd.it/iowcxp3hjsh51.jpg)
I wanted to upgrade my stock part cooling fan to a pair of noctua 40mm fans and when I did a test run they barely push any air through the ducts compared
![Print Cooling Fan modification to 60mm (Noctua Fan) by JasonJason | Download free STL model | Printables.com Print Cooling Fan modification to 60mm (Noctua Fan) by JasonJason | Download free STL model | Printables.com](https://media.printables.com/media/prints/243811/images/2198446_89488bd9-2030-42e5-ad7f-99254fd8e3a1/thumbs/inside/1280x960/jpg/21591755-0daa-46b3-9cb1-270e2e22dd17.webp)
Print Cooling Fan modification to 60mm (Noctua Fan) by JasonJason | Download free STL model | Printables.com
![Amazon.com: 5015 Brushless Cooling Fan 4PCS 3D Printer Blower DC 12V Fans 50x50x15mm Fan for Hotend Extruder Heat Sinks with 2 Pin Terminal and Other Small Appliances Series Repair Replacement(12V 0.18A) : Amazon.com: 5015 Brushless Cooling Fan 4PCS 3D Printer Blower DC 12V Fans 50x50x15mm Fan for Hotend Extruder Heat Sinks with 2 Pin Terminal and Other Small Appliances Series Repair Replacement(12V 0.18A) :](https://m.media-amazon.com/images/I/61ZiMhvfQqL.jpg)