HeroForge https://www.heroforge.com/ uses 3D printing to make tabletop figurines, like for D&D.

You can make merpeople and order figurines to be printed and delivered. I ordered a plastic one, but it broke when I accidentally stepped on it. They're roughly 1 inch tall depending on your design settings.

I've made stuff like this (I customized the colors myself - when you start out, they're blank):