This is part three of the crossover project. Part one is here and part two is here. I met William at Deconstruct 2019.1 We were walking back from the pre-party—too loud for my comfort level—and I took the chance to interview him. He knew about my project and wanted to share his memories of mechanical engineering. “Most of my skills transferred seamlessly. There’s one book, Sketching User Experiences, that’s aimed at software engineers.