Designed to avoid the creation of unsought defects and to speed up the laser engraving and cutting processes, this CNC 3DP Laser Nozzle helps you to direct the air from the engraving laser fan into the laser processing site. This item was originally designed to work with engraving and cutting laser heads from Opt Lasers. As such, the original file is available for free from:

https://optlasersgrav.com/

If you are fond of laser engraving and cutting processing, the link below provides valuable information regarding the advantages of blue laser technology that brought about cutting and engraving lasers from Opt Lasers: 

https://optlasersgrav.com/blue-laser