Import vector path; svg, eps, AI, etc?

[tkbd]

hi! ctcalhoun
I checked the .ai importer.
Did the .ai file that you tried to import contain gradients?
if filled a gradation object(s) is(are) exist in the artwork,Wings3D can't import it.
use fill color instead of gradation,Then you can load it.

It also Wings3D can import Illustrator 8,3,3J format files (Probably 5.5,too)
(Color/Gray gradation caused to open error dialog of Wings3D)

I hope it helps for you