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Systems are gaining popularity at a rapid pace. We mostly use it for shading, in other words, create materials. Systems are used extensively in computer graphics and game making. But that shouldn’t scare you, you can still do very much even if you don’t feel confident in those subjects. It's good to understand basic logic and math when you dive in. Especially in 3D art, visual effects and the game industry. The reason being, to raise your awareness to what nodes are and how widely used they are. Let’s start by taking a bird’s eye view on nodes. The goal is that when you have read and understood this article, you will have a pretty deep understanding of how Blender nodes work under the hood, and also be able to create a large number of materials with just a handful of nodes. I aim to combine important details with a basic workflow using image textures.

To the right we work with green sockets representing shader data until we finally end up with a connection to the Material output node.

Then we combine grayscale and color data in the middle with grey and yellow sockets.

In general, purple, vector data lives in the beginning of a node tree to the left.

To add image textures, drag-and-drop them from the browser window.

Use the add menu to add nodes and connect nodes from left to right.

How to work with Blenders shader node system? After all, as we progress and become better artists we understand that the basics is what everything rests upon. For the seasonal Blender user there can also be gems here. If you are starting to get your feet wet with Blender and you are now looking towards materials and how to use Blender nodes, you have come to the right place.