What are you doing with your machine? and what software are you using? You should do most of your processing in Corel, Photoshop etc before you send to Photograv adding text, enhancements/embellishments etc and also the size you will be engraving at.Ĭheck to make sure all your pulley/belts are tight and there is no slop in your system as this will cause problems also. Very frustrating indeed and I have wasted a lot of material finding this out so now I set the engraving at 280 ppi (or dots per inch, dpi) on the laser. I have used "diffusion dithering" but it still exhibits the same darn checkered pattern It's not noticeable in the picture until I actually engrave the file. No amount of "noise" can break up this pattern. Photograv say not to do this but if I engrave at the same resolution I get a picture that looks like I am looking at it through a fly wire screen. On my laser, using Photograv with Corel Draw, I set the resolution to 300 pixel per inch (ppi) for the picture but I engrave at 280 ppi on the laser. (You have read the instruction manual, haven't you ?) I did but it was a long time ago.
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