“Pashman and Sfoglini engineered the new shape to maximize the amount of sauce that sticks to it, make it easier to get your fork on it, and have it feel good when you bite into it.”
A podcast host spent three years engineering cascatelli around sauceability, forkability and toothsinkability. That is more user research than most software gets. Italy had centuries to optimize pasta and still left room. The product requirements doc was a fork.