Issue in NWT method

Ok this is the issue i have, and i don’t understand what is goin on


Done in NWT method, stucki with 800mm/min 80% power with a 5.5mw diode.
I think i need some help

Go to Nicky’s Facebook page.
There are a great bunch of people there that can help you out.
Norton’s den of lasers.

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thank you, i’m still there but is really confusing, btw i figured out the issue… or better… my laser, but surely me, don’t like dithering method, i engraved again the pict in greyscale and worked like a charm so… i will turn all my works on tiles using greyscale from now on.