Yuki Air Conditioner 3D-model almost 2 years 25 Ender 3/PRO hotend cover + fanduct like V2 3D-model almost 2 years 54 Bullfang? PetsEye? 3D-model almost 2 years 14 Longer LK4 and LK4Pro duct upgrade 3D-model almost 2 years 15 Flsun QQ-S pro FAN DUCT 3D-model almost 2 years 42 Layer fan duct argento l3k 3D-model almost 2 years 5 JG Aurora A5 Cooling Duct (Modified from BlowHard 3000) 3D-model almost 2 years 5 Tronxy X3 TronRecognizer layer cooler and printer improve 3D-model almost 2 years 2 Custom CR-10 FANG screw 3D-model almost 2 years 14 Geeetech i3 Pro B Cooling Fan Duct, 40mm holes (50mm fan) 3D-model almost 2 years 4 Tevo Tarantula Fan Duct 3D-model almost 2 years 8 COOLING DUCT 3D-model almost 2 years 1 Generic Parametric Cooling Fan Nozzle 3D-model almost 2 years 3