Overview

Color ID Map Baker is a Blender add-on that bakes material colors or random color palettes into a single Color ID texture map. It is designed for texturing workflows that require clean, distinct color regions, such as mask creation in Substance Painter or other texturing software.

Features

• Bake from existing material colors or generate random distinct colors.

• Adjustable resolution (square or custom width/height).

• Customizable padding/margin to avoid visible seams.

• Margin type options: Extend or Adjacent Faces.

• Random color seed for reproducible results.

• Auto-save baked images to file.

• Option to open the result in a new Image Editor window.

• Quick resolution presets (512, 1K, 2K, 4K).

Installation

1. Download the add-on .zip file or the Python .py script.

2. In Blender, go to Edit > Preferences > Add-ons.

3. Click Install... and select the file.

4. Enable Color ID Map Baker in the add-ons list.

Location in Blender

View3D > Sidebar > Color ID Baker Tab

How to Use

1. Prepare Your Model

   • Ensure your mesh has a UV map.

   • Assign materials to the mesh.

2. Select Color Mode

   • Use Material Colors – Preserves the appearance of your materials.

   • Use Random Colors – Generates distinct colors for each material slot.

3. Set Resolution

   • Choose a square texture or define custom width and height.

   • Use quick presets for convenience.

4. Adjust Padding/Margin

   • Set the margin in pixels to extend colors beyond UV island borders.

   • Choose margin type: Extend or Adjacent Faces.

5. Display & Save Options

   • Enable Open in New Window to view results immediately.

   • Enable Auto-save Image to automatically save the baked texture to your .blend file directory.

6. Bake

   • Click Bake Color ID Map to generate your texture.

   • The image will appear in the Image Editor or a new window depending on your settings.

Tips

• Use Random Colors mode when materials have similar shades to make mask creation easier.

• Increase Margin for complex UV layouts to prevent seam artifacts.

• Save your .blend file before baking if you want to use Auto-save.