Save Combined Mesh into Prefab

I have a scene with gameobjects that have combined meshes. Whenever I try to make that gameobject into a prefab, the prefab loses the combined mesh. Is there a way to make a gameobject with a combined mesh into a prefab?

That isn’t the answer… check this out:

it’s simple and works.

yup, goto make does child objects for it to be part of the prefab