Ender 3/PRO hotend cover + fanduct like V2 3D Model almost 2 years 53 Cooling Duct for the Hot end Geeetech d200 3D Model almost 2 years 6 anycubic i3 hotend upgrade 3D Model almost 2 years 5 Stock CR10S Hot end additions to print ABS 3D Model almost 2 years 2