YC - yep that's a flaw. I figured I pushed CH hard enough, but I felt like she never really understood the issue of BEING INSIDE THE BALL. She still hasn't rendered that way. I'm just waiting for her to catch up.

Here's what you do. Open her ball - use the group tool - select all polys - reverse the normals. You should now be able to preview while INSIDE but not OUTSIDE.

Now there is still a problem. The preview does not use altered coordinates. So if you do as you should as reverse the U_Scale, the preview will not show that.

This is why I really think the ball is still UV mapped incorrectly for this purpose. I'll wait for CH to figure it out because she enjoys making these things and "helping" me. I already have a ball I made myself that previews correctly from inside. I'm going to give it to eF and suggest they include it in the Primitives folder as Environment Sphere.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)