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I'm new to blender and I'm trying to use the Volumetric light, I have watched some tutorials and none serves me, this for example
I use the version 2.72 b but when the boy tutorial, enter the node editor does not appear to me like I needed as indicated in the photo, someone can recommend me someone who can help me.
and me neither, not shown me the same components in the menu "add" in the node editor.
Thanks and sorry for my bad English.