maths

i was intrigued to see these dumped fence panels down the little path i cut through to get to the train station in the morning.
i like how the front panel has slipped down and made a nice shape which i’m sure can be described mathematically. but i can’t remember what it’s called.
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2 thoughts on “maths”

  1. yeh – I know the name too but can’t remember, I saw it in a book recently describing a roof that was that bendy uppy downy shape… hyper-something I think

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