I've tried to export an object with materials, but the windows 3D Viewer shows a white cube ( Unity too :( ).
I use Cycles, textures got baked. 
I tried Path Mode: Copy in the export menu, but nothing helps.
I've tried to export an object with materials, but the windows 3D Viewer shows a white cube ( Unity too :( ).
I use Cycles, textures got baked. 
I tried Path Mode: Copy in the export menu, but nothing helps.