I was looking for something like this on the forum but didn’t encounter any so ran some tests my self, maybe it’ll be helpful for you guys!
Before I do a big sign I always test the waters by doing some mini signs.
Here are 4 different types of proofgrade engraving done on medium draftboards.
Note: Draft & SD engraving are slightly bigger than the first two so time is a bit longer than if they’re the same size.
You can’t see in the photos but deep 3d burned through the draftboard completely (holes at the top). Also, I think the machine thought I had thick acrylic… otherwise I don’t think there’s even a deep 3D option.