K40 Laser Beam Alignment Tool
thingiverse
This tool is designed specifically for use with a Chinese K40 laser engraver, accommodating a laser head diameter of 26mm. I utilize an aluminum tube to align the tool within the head, requiring caution to avoid damaging the mirror inside. The laser beam gauge allows you to visually assess the angle at which the beam emanates from the lens; you can even cut an M3 thread into the gauge for secure attachment using a screw on the head. The parts I've printed are made from PLA, while the target I lasered is constructed from 2mm balsa wood.
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