Lines in a tile engraving

Can anyone tell me what is causing these lines. This is white tile using the NWT method. The image was processed using ImagR and set at 325 DPI. Is the DPI set to high? To low? Or could it be in the image its self?



With a low power diode laser, 318dpi is the best you can do. Higher values means you will be burning overlapping lines. In other words, a double burn.

Here are a couple of links related to images…

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Than you Mike. I will watch the video and adjust the DPI.

Are you using pass through?
Might also try a different image mode.

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Never thought of that. I’ll do some testing and see what happens. Thanks!

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