Prusa MK3/S Bondtech extruder dual fan duct

This is a redesigned version of the dual fan duct for the MK3/S Bondtech extruder to be more compact and to flow better.
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updated October 31, 2023

Description

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This is a remix of the following fan duct Dual Part Cooling Fan Mount / Shroud with Nozzle View for Prusa i3 MK3 by jonathanrswift - Thingiverse

I have redesigned this fan duct to make it more compact and to try and make it a bit more symmetrical. I have also redesigned the ducts themselves to provide a larger area of flood cooling. This means that the area surrounding the nozzle is also being cooled meaning that the print is being cooled for longer as the nozzle moves away. I have found this to greatly improve the overhangs and bridging of my prints.

Print this in a material that isn't going to deflect or deform from the heat of the heater block.

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Model origin

The author remixed this model.

Differences of the remix compared to the original

Original file used as a reference and idea behind this model. This model was modelled from the ground up with alternate geometry to provide a more compact and better flowing setup.

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