H-V Custom Grid Window has ghosting below grid in 3D

[jkenneally]

When creating a window with a custom H-V grid pattern, there is a ghosting of the glass below the grid pattern in the 3D view, as well as when using Enscape. It does not show up in elevation. Any ideas on how to fix this? 

 

[Laszlo Nagy]

I tried this using the "Window" Library part and the Editable Grid option to achieve your image, but I don't see any of those shadow lines.

Can you show a screenshot of exactly which Library Part and which options you used?

 

[jkenneally]

I am using the W Fixed 27 window, with the settings above.