Space too, NASA turned to origami to design folding panels for radiators on space ships. Makes sense if you think about it, they need to compact a large sheet into as little space as possible and in a way that it can be unfurled smoothly.

> https://www.nasa.gov/feature/goddard/2017/nasa-s-new-shape-s...

It's also inspired some pretty deep mathematical theory in computational geometry, topology etc.