Creating new stories is done through the New Story window. The window can be opened with the "New Story..." button at the bottom of the story selection panel.

The New Story window contains fields for creating a new story:

Story Templates: A list of story templates is provided as an example of how to create stories. The templates can be used as a base for the new story.

Attaching to a Story: A new story can be attached to an existing story to automatically adjust the new story's elevation. The current stories is provided in a list to select from.

To attach the new story to a current story: