6 model

Free

Air Duct Valve for 120mm Fan for 3d Printer Cabinet Ventilation

Thingiverse

Free

Fun duct on/off valve to material blowout

Thingiverse

Free

6" Duct Tee Valve with self centering

Thingiverse

Free

Snapmaker2.0 Enclosure Exhaust duct switching valve

Thingiverse

Free

FlashForge Creator Pro front dual fan duct with manual valve

Thingiverse

Free

110 Pipe Backdraft Damper

Printables