Previously this roof was properly displayed, with the same tiling on the dormer as is visible on the rest of the roof.
At some point recently (I'm not exactly sure when,) just the dormer went "transparent" and I don't know how to fix it.
This happens in OpenGL and in Shaded Polygon modes. In Renderworks it renders normally and properly.
How do I get the dormer faces back to the same texture / opacity as the roof? Trying to re-apply using the Attributes panel has no effect.
Hints please? Thanks.