MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.

Download Now

Report as inappropriate

I have the same issue as @wdrake3. I tried two brands of 5015 fans, both don't fit the single fan version of the duct in the same way. I measured my fans and verified that they are 15mm not 15.8mm.

I guess I'll just jump to a dual fan solution since I now have two fans lol, hopefully that will fit properly for me.