40x20 fan mod for ender3 V2 hot end by The_Benz_Master 3d model
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40x20 fan mod for ender3 V2 hot end by The_Benz_Master

40x20 fan mod for ender3 V2 hot end by The_Benz_Master

by Thingiverse
Last crawled date: 3 years, 4 months ago
40x20 fan housing to fit the Ender3 V2 with original blower fan (this one still noisy tho, might change that for an other sunon 40mm fan in the future). Made to fit with a 40x20 sunon MF40202V2-1000U-A99 fan (bought on digikey) Noise level of this fan is good compared to OEM and it should last relatively long since it uses magnetic levitation bearings.
added a nice velocity stack to improve airflow and prevent putting fingers in the fan without a restrictive grill. EDIT: as someone noted on facebook, the fans make more noise with these things on... If you have temperature issues it does help airflow, otherwise you might want to leave it to reduce noise... I'll have to make shorter push pins for that. coming soon.
Fan is fixed tool less with 4 push pins. Holds great
I fixed the part cooling fan and the shroud with some #4 x 1/2 wood screws from the hardware store.
The shroud prints face down with no supports
P.S. added some fins inside the velocity stack V2 to make it stiffer and easier to unstick from the print bed and it should make airflow a little more efficient in the process too.

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