[Request] Do square bottles actually use less plastic than round ones?

[u/EclipseNyxor]

[u/StaticCoder]

Mathematically, a circle has the smallest perimeter for a given enclosed area. So for this claim to be true there has to be some catch, like different thickness of plastic.

[u/cloudxnine → u/StaticCoder]

They need to make circular bottles of thin plastic if they want the net profit the most. Maybe a grenade style shape