because you can trace objects with it? yup...you can trace. rhino is what i use. why, because i can basically "draw" shape i want to create (for organics, anyway)and create csec curves that pretty much follow it. but, getting rhino is a really bad move, in the mental health area. i will not completely advocate a program that is so addictive. and, the rhino forum doesn't help a bit!!! those folks are so helpful that they just enable the addiction. i downloaded wings...i like the subdivide command...however, i have not been able to make an extruded circular polygon. for me, it is hard like anim8or. pop...pop...Poppi!!!