I developed Pillars of Story Structure as a way for students in my storytelling classes to quickly compare a number of different story models. Joseph Campbell's Hero's Journey, Dan Harman's Story Circle, Chris Vogler's Inner & Outer Journey, and a number of other models share many similarities, but are just different enough to confuse new writers struggling to make sense of the complexities of story structure.
This diagram is the latest iteration of diagrams I've been using since 2010.