![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://preview.redd.it/iowcxp3hjsh51.jpg?auto=webp&s=3ada0ae8b6e0b5df99650b5a7fecdb2c8ed3e30e)
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
![Ender 3 Part Cooling Fan Mount Noctua A4x20 da ScootyBooty | Scarica il modello STL gratuito | Printables.com Ender 3 Part Cooling Fan Mount Noctua A4x20 da ScootyBooty | Scarica il modello STL gratuito | Printables.com](https://media.printables.com/media/prints/595766/images/4745001_8b1b7f49-034e-409e-a1cf-452b9b25471d_58c926ab-977f-417a-aa05-a0be219e000c/thumbs/inside/1280x960/png/img_e2895.webp)
Ender 3 Part Cooling Fan Mount Noctua A4x20 da ScootyBooty | Scarica il modello STL gratuito | Printables.com
![3D printed Ender 3, 3 V2, 3 pro, 3 max, dual 40mm axial fan hot end duct / fang. CR-10, Micro Swiss direct drive and bowden compatible. No support needed for printing • 3D printed Ender 3, 3 V2, 3 pro, 3 max, dual 40mm axial fan hot end duct / fang. CR-10, Micro Swiss direct drive and bowden compatible. No support needed for printing •](https://files.cults3d.com/uploaders/19692301/photo-file/bd6ec4b6-1c4c-4a09-819e-f63d4636dfaf/1640424783111.jpg)
3D printed Ender 3, 3 V2, 3 pro, 3 max, dual 40mm axial fan hot end duct / fang. CR-10, Micro Swiss direct drive and bowden compatible. No support needed for printing •
![Noctua NF-A4X10 FLX, Ventola Silenziosa di Qualità Premium, 3-Pin (40x10 mm, Marrone) : Amazon.it: Informatica Noctua NF-A4X10 FLX, Ventola Silenziosa di Qualità Premium, 3-Pin (40x10 mm, Marrone) : Amazon.it: Informatica](https://m.media-amazon.com/images/I/81ud+v9ghlL._AC_UF1000,1000_QL80_.jpg)
Noctua NF-A4X10 FLX, Ventola Silenziosa di Qualità Premium, 3-Pin (40x10 mm, Marrone) : Amazon.it: Informatica
![Hotend fan duct upgrade - Ender 3 V2 da Svenn Inge | Scarica il modello STL gratuito | Printables.com Hotend fan duct upgrade - Ender 3 V2 da Svenn Inge | Scarica il modello STL gratuito | Printables.com](https://media.printables.com/media/prints/196722/images/1820088_8253f72b-e4f3-419d-9389-b0bf0467a342/thumbs/inside/1280x960/jpg/20220310_111026.webp)
Hotend fan duct upgrade - Ender 3 V2 da Svenn Inge | Scarica il modello STL gratuito | Printables.com
![Anyone else using Noctua fans on the ender 3 that can chime in on sound? Mine doesnt seem to be any quieter than stock. : r/3Dprinting Anyone else using Noctua fans on the ender 3 that can chime in on sound? Mine doesnt seem to be any quieter than stock. : r/3Dprinting](https://i.redd.it/pubdevat1je11.jpg)
Anyone else using Noctua fans on the ender 3 that can chime in on sound? Mine doesnt seem to be any quieter than stock. : r/3Dprinting
![PSA: When ordering new, quiet fans for your printer from Noctua, please note there is a small difference between NF-A4x20 and NF-A20 ... Ooops : r/3Dprinting PSA: When ordering new, quiet fans for your printer from Noctua, please note there is a small difference between NF-A4x20 and NF-A20 ... Ooops : r/3Dprinting](https://i.redd.it/vd92y6qwizk31.jpg)