Sapphire Pro Fan Duct
thingiverse
Yet another fan duct for Two Trees Sapphire Pro stock hotend, designed specifically for a single 5015 fan. UPDATE January 12, 2020 I've added a second version of this fan duct (_version_2.stl files). In my opinion, this variant offers improved cooling. Plus, the ends of the air ducts are now positioned farther away from the hotend and suffer less from its temperature.
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