Geeetech A20T part cooling fan ring duct
thingiverse
Replacement part cooling fan duct for Geeetech A10-20-30 M/T version 4 printers. The duct directs air from the part cooling blower in a circular patten around the nozzle. This provides better part cooling over the stock duct, that only blows from one side. 2 versions are provided, a plain duct, and one with a shelf for sticking a short tape of LEDs to illuminate the print. I printed this in resin to make use of resin heat resistance, I do not recommend using a PLA print, as the duct sits very close to the heatblock, and will most likely melt. I used this resin https://www.amazon.co.uk/gp/product/B08PZCRXNB Works with Silicone sock cast from this thing. https://www.thingiverse.com/thing:4505590
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