https://www.youtube.com/watch?v=hAIcH0v-YsU Made a quick clip (no-edits, and no annotation). I'll edit this at a later time to include. But pause will have to work for now! Anyway the material stage has to happen in Blender, that's where their naming comes from too. I forgot to name the materials, but the results will be the same. Good luck.
Note - in blender make sure you set the renderer to Cycles. Blender render will work too, but I find cycles is faster. Also, don't triangulate out of blender. I kept the item selected on export. And you can see the problem it creates in Octane.