Ducted fan part cooler (proof of concept)
thingiverse
This is a fan duct adapter I designed for the https://www.thingiverse.com/thing:4851587 hot end assembly. It's a proof of concept design. I noticed some people using 120v fans to print faster so wanted to try it out with a 4" 200cfm duct fan I had on hand. much stronger air than the 7cfm 40x20!
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