![K40 Laser Cutter Modifications: Air Assist, Laser Pointer, Laser Tube Thermal Protection : 3 Steps - Instructables K40 Laser Cutter Modifications: Air Assist, Laser Pointer, Laser Tube Thermal Protection : 3 Steps - Instructables](https://i.ytimg.com/vi/xUZSMwxv39Q/maxresdefault.jpg)
K40 Laser Cutter Modifications: Air Assist, Laser Pointer, Laser Tube Thermal Protection : 3 Steps - Instructables
![Amazon.com: FONLAND K40 CO2 Laser Head with Air Assist for K40 Laser Engraver Cutter Engraving Machine, Lens Dia 12/18mm FL50.8mm & Dia 16mm FL25.4mm Mirror 20mm Amazon.com: FONLAND K40 CO2 Laser Head with Air Assist for K40 Laser Engraver Cutter Engraving Machine, Lens Dia 12/18mm FL50.8mm & Dia 16mm FL25.4mm Mirror 20mm](https://m.media-amazon.com/images/I/61FwXmNFNWL.jpg)
Amazon.com: FONLAND K40 CO2 Laser Head with Air Assist for K40 Laser Engraver Cutter Engraving Machine, Lens Dia 12/18mm FL50.8mm & Dia 16mm FL25.4mm Mirror 20mm
![Air Assist / Smoke Assist / Air Nozzle for K40 Lasercutter by mathiaspl20 | Download free STL model | Printables.com Air Assist / Smoke Assist / Air Nozzle for K40 Lasercutter by mathiaspl20 | Download free STL model | Printables.com](https://media.printables.com/media/prints/49724/images/493727_9b352504-fe6f-45fe-87d9-e45c06f5fadd/thumbs/cover/1200x630/jpg/large_display_photo_2020-06-14_21-20-10_49724.jpg)