20 watts neje laser visual instructions

Hi! everybody
I just want to share with you a PDF file i did because when i receive my laser i was lost because no laser
have the exact same configuration and i didn`t find any info about it so i decide to make my own,
So enjoy!
Here is a link to the longmill facepook page
https://www.facebook.com/groups/mill.one/permalink/1148565452281451

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