Laser Cutter Engraver Air Assist Box GRBL A3 Pin M8 on M9 off MKS DLC 2.0

I designed this air assist box in fusion 360. I wanted something that was self contained and did require an air compressor. The smoke put off my the laser dampens its effectiveness. I'm using a MKS DLC 2.0 but most GRBL boards have an A3 pin. The command to turn on the A3 Pin is M8. To turn off the command is M9. I designed air tip for quick change

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