The file 'K40 Laser Air Assist Nozzle 3D Printer Model' is (stl) file type, size is 326.4KB.
This is my version of the Air Assist Nozzle for the Chinese Laser Cutter Engraver K40.
It work great using common fish tank tubing.
K40_Air_Assist_Nozzle.stl | 2.3MB |