Not necessarily. Many related materials will be used in the animation production process. If you are using it for learning purposes, you can find some free material source files online. But if it is for commercial use, it must be original. Ingenuity Culture produces commercial promotional MG animations for customers. They are all originally drawn by painters, so there is no need to worry about copyright restrictions. After preparing the source files, you need to organize the file paths and name them well, so that they will not be messy when you start to create animation effects.