A stock photo of a cardboard jigsaw puzzle

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   Jesse Louis-Rosenberg (nervous_jesse@mathstodon.xyz)'s status on Thursday, 30-Nov-2023 07:41:34 JST Jesse Louis-Rosenberg

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   15 years ago, like most people, we knew jigsaw puzzles as mass produced die cut cardboard toys. While fun, the shapes are very simple and repetitive. In fact, the same die is usually used for multiple designs, so puzzles from the same company can swap pieces