As it is raining and I was feeling a little bored I sacrificed an old semi failed PLA Box from a long time ago to the Laser
Uses the method here for generating a Single line Vector to engrave
viewtopic.php?f=110&t=4777
Running at well under 1/2 the power I would for Acrylic for the same vector engrave. Lets just say test #1 became a puddle on the floor of the pin bed

The Heavy glare is from the Microscope lights reflecting off the print. Next time I have one with a good surface spare I will add it to the tests but it is worth a go rather than trying to use recessed text in your prints for much better detail.
3, 4, 5, 6, 8, 10, 12, 16, 20 & 30 px Fonts used.
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