Hello,
During the lecture when the double vertices were merge for the dome tower, I noticed that it looked like even after the vertices were merged it left a face inside the mesh. I was wondering if there is any point to keeping a face inside a mesh (where no one would see it) and also how to delete it without deleting other faces. Is there a merge option that auto deletes it?
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Hidden faces are technically no problem for 3D packages.
But they can influence face ‘smoothness’ by the way Blender calculates light reflections.
It’s better to remove inner -unseen- faces because it saves memory and render calculation time too.
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You can find internal faces often by using the wireframe view. The face mode places a dot in the centre of each face which aids discovery.
X; for delete; only faces, will get rid of them.
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