A lot of effort there, thanks for the contribution.
This did stand out as worthy consideration:
"'Streamlining' the grid elements would introduce a 2-D flow bias within a 3-D flow environment. One might get some of the grid properly addressed with respect to some of the oncoming flow, while the rest of the flow would be unaligned, introducing transverse contamination of the flow field of interest."
I'll dig deeper tonight when I have time.
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