RayMarchingNode, it's like a volume shader, but way faster.
You can render any shape inside any objects quickly and all 100% PROCEDURALLY.
You can create shapes using SDF'S(SIGNED DISTANCE FUNCTIONS) and basic Boolean operations.
With this node group, you can create way more complex materials like holograms and more in just a few clicks.
By buying RAYMARCHER you will get an example shader, example SDF, basic objects, basic boolean operators, a light node to light your object and many more future updates for free.