ockham Wrote: "That is, does it look like the one on the right in this image? In that case, MAYBE the renderer is losing each facet by stretching too far in the distance. The renderer does have a "back horizon"." Yes..the one on the right. I did the reverse normal in grouping tool, and the result came out the same. Here is a Pic of Wireframe of reverse normal. So, I guess I have to redo the rail. Lucky for backup. Or I would have to it all over again. :-)