The TRIZ Prism is a terrific, powerful tool that helps users develop innovative solutions to really hard problems. If you find yourself facing a difficult problem with no clear, obvious solution, this is the tool for you. Here’s a short summary of how the tool works:
Start with a specific problem statement (you may want to use the Problem Framing Canvas first). Then convert that specific problem into a generalized / abstracted problem statement. Once you have a generalized problem, make a list of general solutions to that category of problem. Finally, use those generalized solutions as a basis for creating a specific solution to your specific problem.
The video below provides a more detailed walk-through.
And if you’d like to learn more about TRIZ (aka The Theory of Inventive Problem Solving), check out this Wikiwand article, which is chock full of details.