Try engraving the PCB.
The engraving speed was turned down as I couldn't stand the noise of fast engraving.
Engraving size: Y--71mm; X--60mm; Z--2mm.
It's just such a little thing, it took more than one and a half minutes to carve it, and the speed is really slow. In addition, in some places, there are errors, and you have to continue to adjust the parameters.
Don't talk nonsense, take a look at the operation interface diagram:
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