Every design is carved slowly out of a piece of wax, usually with an exacto knife. My favorite place to work is in the car because at least two things are happening. I worry a bit about wielding a sharp blade as passenger in the car but so far so good. There are wax shavings in the center console that will be there forever. Sometimes I accept the feeling of aimlessness when I work and let the object decide for itself what it'll be. Other times I know exactly what I'm making and pull that shape out of the wax.  It's hard to get started but once I'm there I could stay forever.