The reason Pringles fit so nicely in a cylindrical tube is because they're hyperbolic paraboloids plotted over a circular domainpic.twitter.com/BUzjPw7e17
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Right, but I was comparing flat ellipses with curved surfaces plotted over elliptical regions, i.e. if the region is elliptical and doesn't fill the cross section of the can, that means the stack has room to collapse and the curved shape makes that less likely to happen,
whereas with a circular region that fills the cross section of the can there's not much reason to have a curved shape instead of a flat one since there's no space for it to collapse anyway.
furthermore i'd say they could by slightly elliptical slices, but if they deviate too far from circular then storing them in a rectangle would be more spatially efficient
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