3 model

Free

Raspberry Pi Zero 2 (+ camera) case for Ender 2 Pro

Thingiverse

Free

Hero Me Fan Duct for Ender 3 (2019) Full OEM. No other parts needed

Thingiverse

Free

Mini-Me v4 lightweight Ender3 Hotend Duct (Stock Parts, 5015, No Soldering)

Thingiverse