how to create double sided materials in blender - YouTube
Double sided material with fresnel - Materials and Textures - Blender Artists Community
Is it better to have models that have double faces or is it better to have a two-sided material instead? - Pipeline & Plugins - Epic Developer Community Forums
How to add Blender 2 sided material to one mesh - cgian.com
Daily Blender Tip 350: Double-sided materials - BlenderNation
Two-sided shading (NOT backfacing) - for animation - CG Cookie
Two sided material in Blender - Manandari.com
anybody know why the faces of some of these planes are black instead of green? I have two sided material enabled and all shadows off. (I made the mesh with two sided