Tip: Bluring, sharpeninig and edge detection in Cycles textures : r/blender
Blender – Adding a texture to an Area Light – Oded Maoz Erell's CG Log
How to blur a texture node in cycles material? - Blender Stack Exchange
ArtStation - Simple Blur Node for Blender | Resources
Blur Node — Blender Manual
The ability to blur textures and texture masks is a very convenient, and some would say essential, feature in visual software (often called “Gaussian... | By Blender Secrets | Facebook
Why isn't there a simple straight forward blur texture/shader node already? - Basics & Interface - Blender Artists Community
Blur for cycles procedural texture - Materials and Textures - Blender Artists Community
Cycles node support "Blur" and "Dilate/Erode" — Right-Click Select