Hi Blender! I made a video about anisotropy (what is it, what does it do to your materials etc.)The link is in the comments, i hope you enjoy it! :D : r/blender
Blender Ctcles Anisotropic setup for geom hair by mCasual on DeviantArt
CYCLES: Using the anisotropic node to approximate true glossy dispersion. - Blender Tests - Blender Artists Community