Picture engraving help!
I have an xtool m2 10w and have been recently engraving tumblers. Typically they come out perfect, but recently I have been given a picture project and can not for the life of me get correct settings and parameters to engrave this picture clearly. I have used a wide variety of different settings and have engraved this picture at least 20 times. I've wasted 5 tumblers trying to get this right. What is everyone using to engrave pictures?
*To note, I am using MakerFlo powder coated tumblers*
The best print I got was rendering the image to black and white, then inverting the picture. I used Jarvis for the bitmap mode and 50% power, 120 speed and 120 lines per cm. The first test print I did with these settings came out almost perfect, so I was going to go ahead and use it. I did the engraving and it came out badly again.
Can anyone help me out?