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First time I had heard this:

a pressurized cylindrical container pushes outward with equal force in all directions. This is crucial for pressurized beverages.

My favorite bottle redesign (http://www.minimallyminimal.com/blog/2010/3/15/ecocoke.html) was done on Coca-Cola and had a similar "sqround" shaped bottle, but I don't think he considered the pressure in the bottle.

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I find it hard to believe that the asymmetric design has optimal strength:weight ratio, which means it's not 100% eco-friendly. It looks like it's deliberately wasting material so it can have a distinctive shape that can be design patented, instead of a fully optimized generic bottle.

That's the difference between a freshman design project and an actual design used in practice. It's unlikely he has the mathematics/engineering background to do a proper analysis of his design.

He's not thinking of the bottle as a pressure vessel (which it is).

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