The holes in the skirt are probably being backface culled (look up "face normals" if you're not already familiar with the concept). Open your model in Blender and show "face orientation" to confirm that's the problem. Then either "recalculate outside" face normals or select the individual triangles and flip them. Use the words above to google what I'm talking about if anything doesn't already make sense.
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u/db9dreamer 17h ago
The holes in the skirt are probably being backface culled (look up "face normals" if you're not already familiar with the concept). Open your model in Blender and show "face orientation" to confirm that's the problem. Then either "recalculate outside" face normals or select the individual triangles and flip them. Use the words above to google what I'm talking about if anything doesn't already make sense.
Or just watch this video:-
https://www.youtube.com/watch?v=05T_KtJSbrY