I remixed this so that it would fit on this 5015 fan upgrade enclosure → hero me gen 7 part cooling for stock neptune 3 pro/plus/max.
https://www.printables.com/model/457453-hero-me-gen-7-part-cooling-for-stock-neptune-3-pro
No supports are required.
I printed mine in pla+ as that's what I had on hand, if I were to print this and the enclosure again, I'd do it in petg, as its a snug fit the little bit of flex petg has would be better I think.
Due to the snug fit I found I didn't need to screw the fans in as well.
The author remixed this model.
I remixed this so that it would fit on this 5015 fan upgrade enclosure → hero me gen 7 part cooling for stock neptune 3 pro/plus/max.
https://www.printables.com/model/457453-hero-me-gen-7-part-cooling-for-stock-neptune-3-pro