75mm to 63mm Vacuum and Dust Collection Hose Coupler
Description
I designed this coupler to adapt the 3" hose on my wife's laser engraver enclosure to some 2.5" dust collection hose I happened to have on hand. This smaller hose was then routed to a vent fitting in the window of her workshop. The metric dimensions are ⌀63mm (2.48") for the small side and ⌀75mm (2.95") for the large side, with an overall length of 106mm (4.17"). Requires the use of worm gear clamps or some other hose clamp. Print with either open end facing the print bed (I chose 75mm end facing down). You should not require supports since the transition between the two ends is a 45° angle.
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