This is universal snail Fan duct with spherical ball and socket joint. Print one of the housings with one, two or three holes.Printing detailsFilament: Pet-GSpherical ball and socket joint:Nozzle diameter 0.6 mmLayer height 0.1 mmSpiral Vase Mode !Housing:Nozzle diameter 0.6 or 0.4 mmLayer height 0.1 or 0.2
