Engraving tumblers in XCS on the xTool F1

I tried the elusive black engrave on tumblers without the use of marking spray. I am calling this a success.
For templates that I have made, check out my Etsy shop. I build files for projects and tools for laser engravers as well as CNC project files.
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F1 RA2 guide-
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My F1 small items jigs-
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The links below are affiliate links that will direct you to the product in this video. If you use this link for a purchase, I will receive a commission from the purchase. I remain unbiased and honest in my assessment as always.
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Tumblers used in this video-
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xTool-
www.xtool.com/...