Unreal Engine 4 Shaders and Effects Cookbook

How to do it...

One of the easiest ways to combine materials together is through the Merge Actors tool:

1. From the Unreal Editor, select the object with the model you want to bake. In this recipe's case, we'll select the SM_MatPreviewMesh object.
2. Go to Window | Developer Tools | Merge Actors:

3. From the menu that pops up, under Mesh Settings, set the LODSelection Type to Use specific LOD level.
4. Under Material Settings, check the Merge Materials option:

5. Click on the Merge Actors button and you'll have a menu ask you where you'd like to save ...