Prusa i3 MK3 Alternative part cooling duct
thingiverse
Update 23-Aug-2018: I've published an updated version, but am leaving this up as some people quite like the nozzle viewing cutout. New design is here - https://www.thingiverse.com/thing:3063554 This is an alternative part cooling duct for use on an Original Prusa i3 MK3. Print, swap out the old one, carry on. Exits are aimed just below the nozzle and from 3 sides. I've also added in a viewing slot so that you can see the nozzle a little bit better (similar, but not as open as the one from here https://www.thingiverse.com/thing:2065461). I'll add some more photos of the final part on it's own once I've printed off this iteration, which only has some text and cosmetic fillets added.EDIT: Added photos
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