Flat pack (container) and drags out to 100's of meters. This has military purposes, but there are immediate other potential applications without even squinting that hard.
Cardboard beds for refugee camps: https://newatlas.com/good-thinking/ingenious-cardboard-bed/
Fold-down (from wall) stairs: https://sawmillstructures.com/product/stair-wall-fold-flat-w...
Cardboard honeycomb packaging cushioning: https://www.alibaba.com/product-detail/Honeycomb-Cushion-Wra...
...and some of the OG uses of the same "Miura fold" for deploying solar panels in outer space: https://old.reddit.com/r/Damnthatsinteresting/comments/cbzjp...
(in my nerdier days, I used to re-fold tourist maps using this technique so it'd "auto-open/close")
Flat pack (container) and drags out to 100's of meters. This has military purposes, but there are immediate other potential applications without even squinting that hard.
Cardboard beds for refugee camps: https://newatlas.com/good-thinking/ingenious-cardboard-bed/
Fold-down (from wall) stairs: https://sawmillstructures.com/product/stair-wall-fold-flat-w...
Cardboard honeycomb packaging cushioning: https://www.alibaba.com/product-detail/Honeycomb-Cushion-Wra...
...and some of the OG uses of the same "Miura fold" for deploying solar panels in outer space: https://old.reddit.com/r/Damnthatsinteresting/comments/cbzjp...
(in my nerdier days, I used to re-fold tourist maps using this technique so it'd "auto-open/close")