Totem Laser Air Assist Nozzle

thingiverse

This is an Air Assist Nozzle to be mounted at the TwoTrees Totem S Laser Engraver. It is used to provide airflow to the laser lens for protection and clearing smokes and fumes. The piece was designed to be screwed in with 4x M2.5 screws that use the threads of the 4 little magnetic threads originally used to hold the red plastic laser safety mount. The screw holes are 3 mm, spaced by 32 mm. The nozzle has a 4.8 mm connection for a piece of tubing (regular fish tank pump tubing) I suggest to add some supports at the tubing connection (see image). EDIT 22/01/17 I made the 4 screw holes a tiny bit larger and added 4 versions with a hole to allow the red cross positioning laser to pass. Choose the version that feeds the tubing to the direction you want. I have Nr. 1...