Start Astah and open this “c4model-skeleton.asta” file.
Create a Class diagram and create a class with «Person» stereotype, then click [Refresh (based on model)] button in the [C4model] tab. A class will turn into a c4 model icon.
You can find the list of stereotypes with icons in the [Profeils Stereotype] tab of the root package.
Learn More
To learn more about how this plug-in works, please read the developer’s Readme file.