This is ProMaterial Combiner. (it does exactly the same that ProMaterialCombiner++ does).ProMaterialCombiner++ includes:- Source code.- Reuse textures to make atlases smaller.- Batch mode: Combine several objects materials.ProMaterial Combiner is an editor extension that will combine materials with 1 click. Quick and easy.Custom shaders?, no worries; the tool works with any shader.NOTE: If your UVs are outside [0,0-1,1] and you are using textures your combined material will look wrong; make sure your UVs are inside [0,0-1,1] for your objectsNOTES: - 2022.3.27f1+ supported.- Easy, Just select your object and click combine.- No scripting required.- Meshes automatically set up and adjusted.- Supports any shader (detected automatically).- Full lightmapping support.- Your source assets will not be touched.- Works with colored and textured materials.- Supports tiled materials.- Generate prefabs from the combined object.- Supports skinned mesh renderers.- Malformed UVs on colored-only materials are organized automatically.NOTE: In order to combine materials all shaders have to be the same type.Forum post