3 model

Free

Ender 2/3/5 part-cooling fanduct (also fits CR10)

Thingiverse

Free

CR10/Ender 3 Fanduct V4 for MicroSwiss DirectDrive (Dual 40mm Part Cooling)

Thingiverse

Free

CReality (E2/3/4, CR10) dual 5015 part cooling fanduct with BLTouch mount

Thingiverse