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✅ Modeling for V-Ray Randomization in SketchUp
Randomization in V-Ray for SketchUp helps create realistic variations in textures, colors, object placement, and lighting. This is essential for achieving a natural, non-repetitive look in renders.
🎯 Step 1: Texture Randomization with V-Ray UVW Placement
Open V-Ray Asset Editor Select your Material.
Go to "Texture Placement" Enable UVW Randomizer.
Adjust Random Offset, Rotation, and Scale to remove repetition.
✅ Best for:
Wood flooring
Brick walls 🧱
Grass textures 🌿
🛠️ Step 2: Color Randomization with V-Ray Multi-Sub Texture
Open V-Ray Material Editor.
Add Multi-Sub Texture to Diffuse Color.
Choose "By Object ID" or "By Random" for variation.
Add different color swatches or textures for randomness.
✅ Best for:
Trees and leaves 🌳
Fabric and furniture 🎨
Tiles and bricks 🏡
✨ Step 3: Random Object Placement with Skatter or V-Ray Proxy
Use Skatter Plugin for controlled randomness.
Or, convert objects to V-Ray Proxies and manually rotate/scale for variation.
✅ Best for:
Random rocks and pebbles
Park benches and urban elements 🏙️
Outdoor landscapes 🌲
💡 Step 4: Randomize Lighting for Realism
Add multiple V-Ray Lights with slight intensity variations.
Use IES Lights for varied spotlights.
Adjust Color Temperature Randomization in Light Settings.
✅ Best for:
Interior scenes 🏠
Outdoor night lighting 🌃
🎬 Step 5: Render with High-Quality Settings
Enable Global Illumination (GI) & Ambient Occlusion (AO).
Use Adaptive Dome Light for balanced shadows.
Increase Render Quality to eliminate noise.
✅ Pro Tips:
✔ Use Chaos Scatter for easy object randomization.
✔ Combine Multi-Sub Texture + UVW Randomizer for ultra-realistic surfaces.
✔ Add slight imperfections in object placement for a natural look.
