This one is not very universal, It fits a specific heatsink and a specific, driver, but I feel some of you will use these inexpensive parts so I will share the design. once assembled I mount it and focus the laser before putting on the cone. The heatsink is in a bit loose so you may need to pinch the sides to hold it in place while focusing. Once focused I use the z axis after that each time with this focusing script - https://www.youtube.com/watch?v=yUk8ttJmpz4
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