Materials & Texturing
- How do I create a realistic material in Blender?
Use Principled BSDF with accurate base color, roughness, and normal maps. Add imperfections like scratches and dust for realism. - What is the difference between procedural and image textures?
Procedural textures are generated by math, offering infinite resolution and variation. Image textures are photos or baked maps, providing realism but fixed resolution. - How do I UV unwrap a complex 3D model?
Plan seams along natural edges, use projection methods, and pack UVs efficiently. For complex models, break into parts and unwrap separately. - Can I paint textures directly on a model in Blender?
Yes. Blender has a Texture Paint mode that lets you paint directly onto a 3D model using brushes, and you can also use the Draw tool in Sculpt Mode for simpler strokes. - How do I make a glass or metal material in Blender?
Use the Principled BSDF shader. For glass, set Transmission to 1 and Roughness low; for metal, set Metallic to 1 and adjust Roughness and Base Color. - What is PBR and why does it matter for texturing?
PBR stands for Physically Based Rendering. It's a shading model that simulates how light interacts with surfaces in a physically accurate way, making materials look consistent under different lighting.