Correct… they “cheated” a little to make the props for the movie. There are other designs for single-sheet unicorn, winged unicorn, and Pegasus — particularly the ones from John Montroll — but they look a bit different from the movie props, and are harder to fold.

https://johnmontroll.com/books/dragons-and-other-fantastic-c...

https://web.archive.org/web/20071017100610fw_/http://cgi.lin...

On the final page it has a link to the "How to fold from a single sheet"

Okay?