120mm Fan to 4 Inch Duct Adapter (Customizable)

An adapter to connect a 120mm PC fan to a 4-inch duct, pipe, or dryer hose. Fully parametric via MakerWorld's customizer for different fan or duct sizes, with chamfered edges for a clean fit and countersunk screw holes to reduce cracking risk.

Also includes an STL for 92mm fan to 1.5-inch plumbing pipe.

License: CC BY.