Thingiverse
Nozzle fan duct MK8 by NitzscheModellbau
by Thingiverse
Last crawled date: 4 years, 8 months ago
30mm fan duct for MK8 extruder from Banggood:
https://www.banggood.com/Aluminum-Alloy-MK8-M6-Thread-Extruder-Extrusion-Head-Built-in-Teflon-Tube-For-1_75mm-Filament-DIY-3D-Printer-Part-p-1412360.html?cur_warehouse=CN&rmmds=search
There are two versions of the fan duct.
One version has a cutout for the screw of the MK8 mount and one just clips on.
I printed mine in ASA which has no problems with the heat.
https://www.banggood.com/Aluminum-Alloy-MK8-M6-Thread-Extruder-Extrusion-Head-Built-in-Teflon-Tube-For-1_75mm-Filament-DIY-3D-Printer-Part-p-1412360.html?cur_warehouse=CN&rmmds=search
There are two versions of the fan duct.
One version has a cutout for the screw of the MK8 mount and one just clips on.
I printed mine in ASA which has no problems with the heat.