Your problems are not always what they seam: combining different meshe
Mesh.CombineMesh() results in different heights between objects - Unity Answers
unity3d - Unity: cannot combine mesh that does not allow access: Cube - Stack Overflow
Creating in Unity #5: Combining Meshes! - YouTube
Combine Objects/Meshes to reduce drawCalls - Unity Answers
should I use single or multible meshes for my levels - Unity Answers
Combining meshes in game without loosing boneWeights - Unity Answers
Combine Meshes
Problem with CombineMeshes on large number of meshes - Unity Answers
GitHub - dawid-t/Mesh-Combiner: Mesh Combiner is a little tool which can combine different meshes into one mesh in Unity for reduce the amount of batches / draw calls, making your game more
Mesh Combiner | Modeling | Unity Asset Store
Merge Multi-Material Meshes in Unity - YouTube
Skinned Mesh Combiner MT - Character Mesh Merge, Atlasing Support & More | Game Toolkits | Unity Asset Store
unity3d - Unity: cannot combine mesh that does not allow access: Cube - Stack Overflow
Skinned Mesh Combiner MT - Character Mesh Merge, Atlasing Support & More | Game Toolkits | Unity Asset Store
Skinned Mesh Combiner MT - Character Mesh Merge, Atlasing Support & More | Game Toolkits | Unity Asset Store
Issue Copying and Combining Meshes & Submeshes : r/Unity3D