"i design buildings in this software. If you group each piece separately, then all you need do is fill the group and not need to worry about the different faces. Also, you could take a photo of an actual CBG face and apply it as a new material so you…"
Welcome aboard, David! You will find lots of helpful folks and information here on all things CBG (CBU, CBB, etc.) Feel free to poke around, ask questions, and post your stuff (photos, recordings, videos, etc.).