TinyBoy Blower Filament cooling fan
thingiverse
I'm extremely impressed with how this addon fan duct speeds up the cooling down of the filament during printing! Check out the accompanying picture to see the amazing results for yourself. If you don't have a suitable fan duct, I highly recommend taking a look at my extensive collection here:http://www.thingiverse.com/wkkpatrick/collections/fan-duct/page:1 This particular addon fan duct is hands-down my top recommendation - http://www.thingiverse.com/thing:340312.
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