Added effects to all placards on reversers and NEO.
Some new placards had no material assigned thus shown black, fixed.
Some placards needed the UV mirrored on the x axis, fixed.
Placard objects for all engine options.
Modeled missing vent on CFM56.
Cleanup of reverser doors areas for the CFM56 reduces shading artifacts.
Added geometry to CFM56 and IAE round vents to reduce low poly look from some angles.
Added geometry to IAE nacelle and reverser ro reduce low poly look from some angles.
Correction of vortex generator position on LEAP.
Note: LEAP lightmap needs rebaking.
Reverser placards need to be grouped with their objects, and have effects added.
