The Material Symbols plugin for Obsidian is a simple yet powerful tool that allows you to add Google's material symbols outlined to your notes. With just two commands, you can easily insert icons into your documents using Ctrl + P and searching for "symbol". The plugin provides flexibility in customizing the font settings by offering various classes to change the fill, weight, and grade of the icons. Whether you need a default setting or something more customized, this plugin makes it easy to add visual appeal to your notes with minimal effort.