K40 Laser Air Assist 3020 CO2
thingiverse
K40 Air assist, with DesignSpark Mechanical CAD File. Uses 1/4 inch OD brass tubing although aluminum will work also. It is designed so that the tip is aprox 4mm from the work piece when the focal point is 50mm. I made this because the printed plastic version caught on fire when cutting wood. This one works well even with a low cost aquarium air pump. Print Settings Printer: Ultimaker Clone Rafts: No Supports: No Resolution: 0.3mm Infill: 25% Notes: 2 perimeter works well
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