Chapter 11 covered tools available to assist in threat modeling. This textbook is a couple years old and software changes quickly. Research threat modeling tools. Select one and write a 2-3 page document that discusses the tool you found, how it is used, features it has available, cost, and anything else you may find interesting about the tool.
Course text book:
Shostack, Adam. Threat Modeling: Designing for Security, Indianapolis, IN: Wiley, 2014