Blur Node

The ability to blur textures and texture masks is a very convenient, and some would say essential, feature in visual software (often called “Gaussian Blur”). A feature, Which unfortunately doesn’t come with Blender by default. However, fear not: with a small amount of nodes grouped into a Node Group, we can create our own “Blur Node”. 

For a more detailed dive into this subject, check Bartek Skorupa's excellent Bcon talk: https://youtu.be/kAUmLcXhUj0

Are you looking for short, efficient Blender tutorials?

Well, good news. Blender Secrets is home to hundreds of one-minute or less video tutorials that teach you specific topics. And whether you are a beginner or a seasoned pro, you’ll definitely learn something new. And not just every now and then - every day! Prefer to read something instead?
The 1000+ page book should keep you busy for a while. Or just download the free 30+ page e-book right now!