3KU Printer Blower / Fan diffuser - UPDATED
Description
This is an enhancement to my previous design ( https://www.thingiverse.com/thing:1969903 ) and enables a large airflow to be directed around 360 degrees of the hot-end and enables good bridging and fast printing. This mounts on one of the carriages with the fan on the OUTSIDE of the build area, noting that the flexible pipe passes between the "fixed" GT2 belt that moves with the carriage and the 8mm rod closest to that belt so that the pipe and the GT2 belt do not move relative to each other. All the bolts are M3, except for the one that secures the fan, which is M4. Here is the fan I used: https://www.aliexpress.com/item/Free-Shipping-Original-Delta-BFB0712H-7530-DC-12V-0-36A-projector-blower-centrifugal-fan-cooling-fan/32453609963.html Note: I used a cheap flexible pipe from one of those low-cost hand pumps/syphons. I hope you find this as useful as I have! Cheers Douglas
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