Conceptual Design: Rendering Realistic Materials for 3D Scenes in Stable Diffusion

When it comes to 3D design, creating realistic materials is a key factor in bringing your vision to life. However, achieving true material realism can be a complex and time-consuming process. This is where stable diffusion comes in – a technique that can help you render realistic materials in 3D scenes more efficiently and effectively. In this article, we'll explore the benefits of using stable diffusion in conceptual 3D design and provide some tips on how to get started. The example is using AUTOMATIC1111 web UI for Stable Diffusion.

Stable Diffusion: A Powerful Tool for Realistic Material Rendering in Conceptual Design

The use of AI techniques in 3D design can greatly enhance the realism of materials in 3D scenes and conceptual renders.

Segmentation of Scene Content in Blender and ControlNet 

Blender setup scene for render comp:

  • Set view to Rendered
  • Set render engine Workbench
  • Set Lighting on Flat in View and render
  • Set Color to Material
  • Create materials with different colors
  • Render to File

Limit colors or Set sampling to No Antialiasing, to achieve a similar result

In Stable Diffusion web UI:

Install ControlNet and Latent Couple manipulations. If you have an issue check these articles on ControlNet and Latent Couple,

  • Set ControlNet Enable and low VRAM
  • Import mask, set Model to seg
  • Set Latent Couple manipulation Enabled
  • Detect colors and fill in prompts

Material Prompting

It is usable to describe material properties as well as defining shape or attributes.

By using stable diffusion generative AI and incorporating this technique into the design process, designers can create more accurate and visually appealing (pseudo) 3D renders. As technology continues to evolve—and it will—it is important for designers to stay up to date with the latest tools and techniques in order to achieve the best possible results. With stable diffusion, designers can take their material rendering to the next level and create and present stunning 3D designs and experiment with many material variants.

 

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