This was my first attempt to write a plugin, for which I taught myself Python and Maya Commands Library. At the beginning, I just planned to write a few simple scripts to implement each step of rigging operations, but then I decided to give users more customization. So I went on to learn PyQt and add a graphical user interface for my scripts, eventually turned them into a complete plugin. In this project, I encountered many troubles. Sometimes I read a lot of documents just to solve a small problem. At the end, I summarized those problems into a document for future reference.