shvrdavid posted at 12:18 AM Wed, 26 April 2023 - #4463422

Older figures had double layered lashes for FireFly and OpenGl compatibility.

Superfly will do double sided materials without issue, so one lash layer works fine in that. 

If you build a figure that will be used in FireFly it is best to have two layered lashes.

I see now. It's weightmapped so anyone using it with Firefly would, predictably, more than likely also have the options of normals forward (Firefly) and show backfacing (openGL) at their disposal. In any case the normals are congruent in both layers, same facing. Makes me wonder if I should cull those polys or flip the normals in the the upper layer. I haven't reached the morphing stage with the head so an edit wouldn't have impact really (at least as far as vertice number, winding order would remain to be seen)... I'm inclined to leave it.

Thanks for clearing up that mystery shvrdavid.