Before attempting to engrave my MacBook, I thought that I would experiment with some of my older devices. Here is a beautifully engraved print of a brittle star by the German Biologist and Artist Ernst Haeckel
(https://en.m.wikipedia.org/wiki/Ernst_Haeckel)
Engraved Kindle 2
2017 MacBook Pro 15" Template
Looks awesome! What settings did you use?
Did you put tape over it before engraving?