Select the material using the pipette tool (T) from below, when you are able to see it. Go to its settings and turn on two sided.
Here's a video showing how: https://capture.dropbox.com/KOjcUzohFZodMfHn?intro=1
Select the material using the pipette tool (T) from below, when you are able to see it. Go to its settings and turn on two sided.
Here's a video showing how: https://capture.dropbox.com/KOjcUzohFZodMfHn?intro=1