However, puzzles were originally made of wood and hand cut by an artist using a scroll saw. Jigsaw puzzles have a rich history going back to the industrial revolution. Individual artists had their own unique style and puzzles often included "whimsy" or figure pieces thematic to each puzzle. Being cut by hand, often with no pattern, each one was different. With the advent of mass production this art form was largely lost, though there is a small community still dedicated to the craft today
Here is an example from master puzzle maker John Stokes III