E3D fan fastener with Prusa fan shroud

E3D fan fastener with Prusa fan shroud

thingiverse

<p>I like the idea of having the fans attached to a fastener on the heat sink, but I found that the part cooling was not good enough with the original configuration as the air only comes from one side. So I took the design (thanks for the step files!) and adapted it to be used with the 45 degrees Prusa MK3 <a href="https://github.com/prusa3d/Original-Prusa-i3/blob/MK3/Printed-Parts/stl/nozzle-fan-45deg.stl"> fan shroud</a>. I also modified the support for the radial fan. As I use a BLTouch, I mounted the parts in a way that the heat sink fan is at the back and the part cooling fan is at the left of the extruder, but I guess that you could also mount them with the part cooling fan at the front and the heat sink fan at the left of the extruder, like in the original Prusa setup. The fastener should be printed with supports in the orientation shown in the picture. In order to attach the fan shroud to the fastener, I used a M3x3 brass insert (there is not much room for a nut) and a M3x6mm screw. Additional hardware: M3x12mm screw (2), M3x30mm screw (1), M3 nuts (3).</p>

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