# Plugins

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Plugins can improve your Autodesk FormIt® experience by expanding your modeling toolset. You can address specific design needs that are not included in FormIt's tool library.

The plugins section of this primer includes four chapters:

1. [Introduction to Plugins](https://windows.help.formit.autodesk.com/plugins/introduction): Basic information you need to know about plugins.
2. [How to Use Plugins](https://windows.help.formit.autodesk.com/plugins/how-to-use-plug-ins): If you are a FormIt user and want to give plugins a try, this section will guide you through the process of installing and using plugins.
3. [How to Develop Plugins:](https://windows.help.formit.autodesk.com/plugins/how-to-develop-plugins) If you are a developer and want to go the extra mile, this section will guide you through the steps needed to develop a FormIt Plugin.
4. [FormIt APIs](https://windows.help.formit.autodesk.com/plugins/useful-links): Links to FormIt's API documentation.
5. [Examples:](https://windows.help.formit.autodesk.com/plugins/example-1) If you want to try out existing plugins, this section contains descriptions of some of the available plugins.