Optimization

The primary goal of optimizing your model and scene is to have an efficient file. Efficient doesn’t necessarily mean “as small as possible,” though that is also a goal. Sometimes, efficiency demands more information in a file, such as in longer, more descriptive object names within a scene. An efficient file will not contain unnecessary information, but it will not be missing crucial information either. You do not want to cut out every single triangle around a joint in a character, simply because it does not contribute to the overall shape of the object. If those triangles are used for animation to ensure smooth limb motion, they should remain. Reducing for the sake of reduction doesn’t always work. Like editing UVs, optimizing a model is also a series of compromises.

The principal compromise is between amount of information (as little as possible) and inclusion of all necessary information. Your ability to determine what is, and what is not, essential will determine your success at optimizing a file. If you have insufficient experience or comprehension, you will probably make many errors when optimizing a file. Generally, it is only through trial and error that an artist learns what is and what is not needed.