I agree. A great example of a "CAD tool" that lets you design complex, believable organic creatures easily is Spore Creature Creator [1]. It's easy to imagine s

I agree. A great example of a "CAD tool" that lets you design complex, believable organic creatures easily is Spore Creature Creator [1]. It's easy to imagine similar kinds of tools for many other object types. [1] https://www.youtube.com/watch?v=ZRr3lgckIAM https://www.youtube.com/watch?v=ZRr3lgckIAM