3D computer animation software refers to programs used to make computer generated, three dimensional images. There are many stages that animation studios utilize to make 3D models for games and even in films. If you are just starting to learn 3D animation, having one software package is enough to start learning. Remember that 3D animation is a very complex task, and it is time consuming and indistinctive. Thus, you have to use a book as reference or ask an expert if you want to learn more. Most packages sold come with learning tools. There are also free editions made for studying and gaining personal knowledge.