You can easily engrave pictures of your favorite animal for example on a wood coaster.
To remove the background I use my iPhone 13pro, where I only need to tap in the person / animal and directly move it to notes or an app.
There are also a lot of apps available to remove the background.
I did not trace the picture afterwards, or did any changes.

I used the standard parameter from wood coaster in Creative Space. If you're using wood coaster for the first time, I would recommend to create a test grid upfront.

After about 20 min the picture is engraved on the wood coaster and ready as a Birthday Gift.