Hi Danny,

> the model I posted is just I piece I cut off the main
> model, I can send you the whole model if you like.

Yeah, if it is ok please send it to me at moi@moi3d.com, I can try to see if I can recreate the problem surface.

If I can find the steps to make it happen, it will help a lot to try and find the bug.

Thanks,

- Michael