 Five and a half years ago, Conrad Armstrong made a puzzling career change. And how does a software engineer go to making jigsaw puzzles for a living? I decided I had made enough money and decided to quit and reinvigorate my hobby of making handmade wooden jigsaw puzzles. He'd been around puzzles for years. Right about the time I graduated from college, my father bought a scroll saw, which is actually what's used to make jigsaw puzzles. And I just picked up on the technique.