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Prusa MK4s fan mod for MK3s original toolhead - Remix Parts for better fitting 3D Printer File Image 1
Prusa MK4s fan mod for MK3s original toolhead - Remix Parts for better fitting 3D Printer File Image 2
Prusa MK4s fan mod for MK3s original toolhead - Remix Parts for better fitting 3D Printer File Image 3
Prusa MK4s fan mod for MK3s original toolhead - Remix Parts for better fitting 3D Printer File Image 4
Prusa MK4s fan mod for MK3s original toolhead - Remix Parts for better fitting 3D Printer File Thumbnail 1
Prusa MK4s fan mod for MK3s original toolhead - Remix Parts for better fitting 3D Printer File Thumbnail 2
Prusa MK4s fan mod for MK3s original toolhead - Remix Parts for better fitting 3D Printer File Thumbnail 3
Prusa MK4s fan mod for MK3s original toolhead - Remix Parts for better fitting 3D Printer File Thumbnail 4

Prusa MK4s fan mod for MK3s original toolhead - Remix Parts for better fitting

Mark K. avatarMark K.

September 24, 2025

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DescriptionCommentsTags

Description

Thx a lot for this great project.

 

The cut at the extruder cover and the hole at the fan shroud for the heatinsert was to small.

The arm from the fan case cover is al little bit longer and has a longhole for the screw.

And i have created a cable clamb for the fan cable.

 

You could use one of the following 5V Fans.

 https://de.aliexpress.com/item/1005002219540577.html?spm=a2g0o.order_list.order_list_main.10.11585c5fbDf0Ji&gatewayAdapt=glo2deu

 https://de.aliexpress.com/item/1005005075484035.html?spm=a2g0o.order_list.order_list_main.130.17d15c5fKFSHSX&gatewayAdapt=glo2deu

 

I printed all parts in PC with default values. 

0.2mm and 15-20% infill

 

Now i published the V2 of the printable files. Thx @Molot for the comments.

License:

GNU General Public License v2.0

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