1

I got the answer now, it has to do with the resolution settings in the lithophane software I was using. I had to set minimum resolution of the lithophane to 0.4 or 0.8 (I'm using a 0.4 mm nozzle).


1

Maybe it's a bad batch of filament, with dirt or uneven thickness that wouldn't be noticeable in regular printing. Have you tried a different spool or brand?


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