Defining good orientations for your bones
When creating rigs for 3D characters in Blender, there is one mistake that is probably the most common of all, and it is also responsible for lots of headaches in the future: the orientations of the bone chains.
Every time we have to create a bone chain to allow our character to do a specific movement, some people (maybe in a hurry) often overlook this foundation of a good character rig. Since our characters and its bones live in a three-dimensional space, everyone familiar with 3D concepts should know that they are subject of the three world axes: X, Y and Z.
Along these concepts, we should be comfortable with the idea of "local" and "global" coordinates. Global coordinates are the ones relative to the ...
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