Materials and lights in Revit 2011 FBX file not visible in 2010 applications
Issue
After you export an FBX file from Revit® 2011 products the materials, textures and lights are not visible if opened in a 2010 product.
Solution
Revit 2011 products use mental ray® Protein 2.0 appearances. Revit 2010 products use mental ray Protein 1.0 appearances. Materials, textures and lights will not be visible unless opened in a compatible 2011 product.
For example if the FBX file created from Revit 2011 is opened in Autodesk 3ds Max® 2010 the materials, textures and lights will not be visible. The FBX file would need to be opened in Autodesk 3ds Max 2011 to view the materials, textures and lights.
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