Setup

1. Enable plugin

• Enable MeshBlend plugin for project
• Restart editor

Editor Toolbar

You should see a B in the editor toolbar after restart.

2. Update DefaultEngine.ini

• Open <project>/Config/DefaultEngine.ini
• Find the [/Script/Engine.RendererSettings] section
• Add the following console variables

r.AllowStaticLighting=False
r.Lumen.ScreenProbeGather.MaterialAO=0

3. Shader Changes

Use the shader patcher tool to make sure the material Ambient Occlusion channel doesn't affect Unreals lighting while using MeshBlend.

• Open the MeshBlend toolbar and Readme
• Click Open Shader Patcher Tool in the bottom left corner
• Click Apply All
• Click Restart Editor

4. Add MeshBlend Activator Actor to level

The Activator ensures each mesh is assign a correct blend ID. There should be one, and only one of this actor in your level at any time.

• Add the /Plugins/MeshBlend Content/PB_MeshBlend_Activator blueprint to your level.