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Prohmann

CR-10s Circular Fan Duct (for Stock Fan Mount)

by Prohmann Aug 8, 2017
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The CR-10S Pro has a larger fan and this does not work on it.

Neat idea, but too close to the heater block. PETG melts slightly and deforms until it strikes the print. After a few days use mine has an impression of the heater block in it. Maybe ok with ABS as long as you're not printing ABS while it's on?

I hate to ask you this as I am still not quite to the task of remixing stl files, but could someone out there remix this to a semicircular fan duct?

Is there an advantage to have a semi-circular one?

There's at least one video where someone compared 8 or 10 fan ducts on youtube. The semicircle was probably the best overall, beat on some of the tests slightly by other designs but only by small margins, and they were worse at other aspects. Semicircle being about half, creates a flow 'away' on the other side, probably why it did better than full circle. Full circle wasn't bad by any means so a good start, but works against itself some and more likely to create stalled air pockets, so the semicircle did a bit better in overall tests. Looked up the video Anet A8 Fan Duct Shootout https://www.youtube.com/watch?v=vedP3jhMpy4&t=2s

so will this fit a standard cr-10?

Yes, I have made it with great success.