working on a part about 20x40ft in 1:1 scale (project scale is 0.1), I have a
wing type part(for a building) and the two large surfaces are like a wing,
spaced appart by just 2.5ft.
I applied textures to the large surfaces (front and back as it is verticle)
all seemed OK, but one side not showing in FS, back in FSDS I checked the part
in poly mode and the one poly was inverted, so I flipped it, but it wont stay
flipped! if I click in a window or on a menu it reverts to invert right on the