Material Design Icons
- Always use the "outline" theme
- Use SVGs instead of raster images
We source the majority of our UI icons from the Figma plugin Feather Icons. This allows me to move faster and more affectively in creating my prototype.
Feather - Simply beautiful open source icons
Feather is a collection of simply beautiful open source icons. Each icon is designed on a 24x24 grid with an emphasis on simplicity, consistency and readability.