3d printer fan duct
thingiverse
I own a 3D printer similar to the Ultimaker 2, with which I strive to optimize airflow around the nozzle area rather than the surrounding space. To achieve this, I've carefully designed the air flow path to ensure that the two output flows are evenly balanced and symmetrical, and this design remains printable even when using a single-head printer. Unlike the original metal duct on the Ultimaker 2, mine is made of plastic and attaches directly to the top part of the head, securing it with existing screws. This modification is tailored for a 30mm x 10mm fan and requires no additional hardware; it can withstand extended use at high temperatures (up to 230C) without compromising the nozzle or heater performance.
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