I have mad respect to anyone who can do this. But I hope you don't get offended by what I'm about to say. I'm sorry but a few of their faces seem off and they're a bit scary looking.
Haha, no worries. That's okay. It was quite hard doing those faces well. They are about 3/4" wide. And that's a lot of detail to fit in that small space with a big tool. This was the pic I did it off of if you were wondering: [link] They're scary looking to start with.
This was the pic I did it off of if you were wondering: [link] They're scary looking to start with.