Fan Layer 4020 Artillery Sidewinder 3D Model almost 2 years 16 Flsun QQ-S pro FAN DUCT 3D Model almost 2 years 42 Adjustable Geeetech i3 Pro B MK8 Fanduct with Open Side 3D Model almost 2 years 3 TEVO Tarantula fanduct (sharp+open) 3D Model almost 2 years 2