Procedural Metal Material (Customizable Rust & Roughness Control)
This is a fully procedural metal material designed for Blender, encapsulated in a single user-friendly node group within the Shader Editor. It allows for complete customization of key surface properties without the need for image textures.

Key Features:

Adjustable Rust Amount – Easily control the intensity and spread of rust using a dedicated input.

Customizable Roughness (Curvature Control) – Fine-tune the surface roughness to achieve anything from polished to heavily weathered metal.

One-Node Simplicity – All settings are centralized in a single, clean node group for maximum ease of use and reusability.

100% Procedural – No external textures required; perfect for lightweight scenes and flexible material adjustments.

Ideal for artists who want high-quality metal shaders with full control and minimal setup time.