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Old 07-28-2019, 01:30 AM   #3 (permalink)
freebeard
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Review this: EcoModder Forum > EcoModding > Aerodynamics > 'Fluid Tail'




The box can be beveled as above, or stepped, as below.



My favorite would be the concave truncation.


http://jalopnik.com/the-renovo-coupe...-ft-1621969757

Here's a boxed back window over a difusser:

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