SMRBakeMesh_Test.cs

public class SMRBakeMesh_Test : MonoBehaviour
{
    public SkinnedMeshRenderer skinnedMeshRenderer;
    public Mesh bakedMesh;
    public Material bakedMeshMaterial;


    void Start()
    {
        skinnedMeshRenderer = GetComponentInChildren<SkinnedMeshRenderer>();
    }

    private void Update()
    {

       if(Input.GetKeyDown(KeyCode.Space))
            BakeMesh();
    }


    public void BakeMesh()
    {
        var bakeMeshObject = new GameObject();
        bakeMeshObject.name = "BakedMesh-" + Time.time.ToString("n2");

        bakedMesh = new Mesh();
        skinnedMeshRenderer.BakeMesh(bakedMesh, true);

        bakeMeshObject.AddComponent<MeshFilter>().sharedMesh = bakedMesh;
      
        //----------
        var bakedMeshRenderer = bakeMeshObject.AddComponent<MeshRenderer>();
        bakedMeshRenderer.material = Instantiate(bakedMeshMaterial);
        bakedMeshRenderer.material.color = GetRandomColor();
    }

    public static Color GetRandomColor(float brightness = 1f)
    {
        Color mycolor = new Color(Random.Range(0f, 1f), Random.Range(0f, 1f), Random.Range(0f, 1f));
        return mycolor;
    }
}