These are very nice and I would have appreciated something like that. I gave presentations at quite a few conferences and this would have been a nice momento.
I have an Ortur LM3 10 watt and just getting started. I would be interested in the settings you used. The engraving is very clean and looks good. I am just finishing up my enclosure for it and an inline exhaust fan going outside. It was not easy getting the hole through the wall to the outside with the snow yesterday.