I used yours on my grass, so I don't think you broke that. My branches are just planes and the texture is double sided. Same exact set up on my grass. I put a flat normal map on it to see if the original normal was causing the issue, also set the faces to smooth and flat, got the same results. So its kind of a head scratcherminmay wrote: ↑Wed Aug 14, 2019 12:39 am If you're getting "black parts", that doesn't sound like an issue with the default normals in the first place. Are you sure these faces are pointing outwards?
I confess I never tested the custom normal part after I made my changes to the plugin, so you could try using the original version of the plugin too in case I managed to break it.
I think I might try to double up the faces and see if that changes anything.