Introduction

Material Helper is a Blender add-on designed to streamline material management by providing tools for batch material assignment, duplication, renaming, and cleanup.

How it works

Installation

1. Open Blender and go to Edit > Preferences.

2. Navigate to the Add-ons tab.

3. Click Install…, select the Material Helper .zip file, and click Install Add-on.

4. Enable the add-on by checking the box next to Material Helper.

5. Close Preferences.

How to Use the Add-on

The add-on is located in the N-Panel > Material Helper tab. Below are the available functions:

1. Assign Materials

• Batch Assign Material:

  1. Select multiple objects in the viewport.

  2. Choose a material from the dropdown list.

  3. Click Batch Assign Material to apply the selected material to all chosen objects.

2. Material Duplication & Renaming

• Duplicate Selected Material:

  1. Select an object with the material you want to duplicate.

  2. Click Duplicate Selected Material to create a copy with a unique name.

• Rename Selected Material:

  1. Select an object with the material you want to rename.

  2. Enter a new name in the provided text field.

  3. Click Rename Selected Material to apply the new name.

3. Material Cleanup

• Delete Unused Materials:

  • Removes all materials that are not assigned to any objects in the scene.

4. Additional Notes

• The add-on prevents renaming to an empty name to avoid errors.

• Icons are added to buttons for better usability.

• All actions update the materials in real time.

Troubleshooting

• If buttons do not work, ensure the add-on is properly enabled in Edit > Preferences > Add-ons.

• If renaming or duplication fails, check the system console (Window > Toggle System Console) for error messages.