I’m trying to make a sort of vacuum tube and I’m wondering how you can make a glass material look as if it is thicker in places. You know on the top of vacuum tubes they have a sort of tear drop that is solid glass and it has a different IOR than the thin glass walls. I’m working on it now so I haven’t even attempted it yet. I figured I’d ask now and maybe by the time I run into trouble someone will have answered.
Here’s an example of what I’m talking about.