"I build virtual models, then cover them with skins, textures I’ve sampled, or created myself, usually for that specific piece. Each model has a virtual skeleton, so I can pose and position the figure in its environment. I use digital lights to add shadows and reflections." He squinted at her, as if trying to decide whether she was really listening. "The modeling is like pushing and pulling clay. I do that over an inner structure of joints—the skeleton, with a spine, shoulders, elbows, fingers. It’s not that different from designing figures for a game. Then I model multiple heads, with slightly different expressions, and combine them."