As with most technical things, the art of rigging is a very precise process based on an objects position in 3D space. In order to understand this process Stuart Christensen will show you some helpful stuff to explain what's UP..or Down...or Sideways. The key to rigging is understanding how to create joints, constraints, IK chains and a multitude of constraints to make your characters "presentable" to an animator. So let's take a look at some basics of joint orientation to get a feel for what you need to know as you start your rigging journey.