40mm Print Fan Shroud (Short version)
thingiverse
Here's a redesigned version of my short duct fan http://www.thingiverse.com/thing:852940 made specifically for Greg's Wade extruder and Print Fan Mount: http://www.thingiverse.com/thing:805933. Key benefits include an even wider air exit port and shorter length so it won't knock prints off the bed as easily. Additionally, the shell thickness has been increased to 1.2mm. Print this fan so that the opening points directly at the hotbed ( rotate the x-axis 160 degrees).
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