Could someone please tell me where are these nodes, specially the “At” node?
http://wiki.blender.org/index.php/Doc:2.6/Manual/Textures/Types/Nodes/Distort
I found three of those on the Texture Nodes and a different version of them on the Composite Nodes.
But most important, I cound’t find a way to use them with a cycles texture, the Brick one, in order to achieve a result similar to this: