Cites Mair (1969) so I see where it's coming from. The part about rectangular sections is opaque to my monolingual brain.
aerohead's favorite Template is a strict half-body. I struggled with the question at Why does The Template have to be a half body of revolution?. It covers superellipeses, etc.
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.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
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.Two wrongs don't make a right, but three lefts do.
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