QUOTE TREX: For aircraft it's a different story. Unwelded vertices still cause more calculation but more noticablely they can cause the "evil shadow bleed through" problem, but there's a catch. If you do this to a poly & make it 2-sided* then you create another shadow bleed through problem. In this case you weld what you can or just don't worry (a few here & there isn't the problem in aircraft like it is in infantry)
it took me a while to figure out what was causing the shadow bleeds on my first every aircraft for genereals, but once i found the cause it was totoally obviouse.
to others it may not be so obvious what is causing the shadowsm. but for the infantry welding i think most do remember to weld all before exporting and actually probably do the same for aircreft but may do it over and over wondering why they still have shadow leaks. extra layered faces arent easy to notice.
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