The good news is that there are so many resources here. Always try searching for whatever material you’re thinking of “maple”, “baltic birch”, “acrylic” etc.
Also, there are some really great getting started posts like this one:
Sooner or later you 're also going to want to know about masking:
I’ve engraved “cork leather”–pretty sure just used PG settings for leather–used either medium or thick pending the thickness of the material. And I got a nice depth, similar to leather.
But this is very smooth, and I’ve not engraved other versions/configurations of cork.
But as noted above, always test–even if it means buying an extra piece to do it.