Blender 4.0 - New Principled BSDF Shader Update! | Summary and Q&A

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September 28, 2023
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Blender 4.0 - New Principled BSDF Shader Update!

TL;DR

Blender 4.0 introduces new features including a reworked principal BSDF shader, the addition of a sheen shader, and changes to the clear coat shader.

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Questions & Answers

Q: How does the new sheen shader work in Blender 4.0?

The new sheen shader in Blender 4.0 replaces the Velvet shader and allows for the creation of fuzzy cloth, dust, and other materials with specific normals. It can be adjusted using parameters such as weight, roughness, and tint to control opacity, coverage, and color.

Q: What are the changes to the clear coat shader in Blender 4.0?

The clear coat shader in Blender 4.0 is now called the coat shader. It offers more control over coverage, opacity, and tint. The base color is the primary color used for subsurface effects, and the radius parameter determines how far light penetrates and scatters within the material.

Q: Can I still achieve a velvet-like texture in Blender 4.0?

Yes, you can achieve a velvet-like texture in Blender 4.0 by using the sheen shader. By adjusting parameters such as weight, roughness, and tint, you can create a velvet-like appearance for your models.

Q: How does the subsurface shader work in Blender 4.0?

The subsurface shader in Blender 4.0 uses the base color as the primary color for subsurface effects. The weight parameter controls opacity, and the radius parameter determines how far light penetrates and scatters within the material. Other parameters such as scale and anisotropy can be adjusted for further customization.

Q: What are the different methods available for the subsurface shader in Blender 4.0?

In Blender 4.0, the subsurface shader offers three different methods that can be selected for subsurface effects. These methods can be combined with adjustments to parameters such as anisotropy and scale to achieve the desired appearance for the material.

Q: Can I use custom skin textures or subsurface colors with the subsurface shader in Blender 4.0?

Yes, you can plug custom skin textures or subsurface colors into the base color parameter of the subsurface shader in Blender 4.0. This allows for further customization and control over the appearance of subsurface effects.

Q: What is the unit of scale and why is it important in Blender 4.0?

The unit of scale in Blender 4.0 determines how much light hits and travels into the material before scattering. It is important to have an understanding of the unit of scale in order to properly adjust parameters and achieve the desired subsurface effect for your materials.

Q: How can I start using the new features in Blender 4.0?

To start using the new features in Blender 4.0, simply launch the software and begin shading your models. Experiment with the sheen and coat shaders, adjust parameters such as weight, roughness, and tint, and explore the possibilities for creating realistic and visually appealing materials.

Summary & Key Takeaways

  • Blender 4.0 comes with a reworked principal BSDF shader, with changes to the sheen, clear coat, sub surface, specular reflection, transmission metallic, and multiple scattering GGX.

  • The new sheen shader replaces the Velvet shader and allows for the creation of fuzzy cloth, dust, and other materials with specific normals.

  • The coat shader in Blender 4.0 replaces the clear coat shader in the previous version and offers more control over coverage, opacity, and tint.

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