Thanks so much for your help.

I've not succeeded yet, but I've found an object I created sometime ago with glass which actually worked. I really just need to bite the bullet and learn Blender. My current workflow destroys the names applied to object elements. GMAX doesn't export to obj, so I have to convert the MDL file it is exporting to obj.

As my usual 3D work is creating airport scenery for MS Flight Simulator, my familiarity with those tools seemed a much easier path.

Should have known better.

Thanks again.