How to hide a mesh, but leave a shadow from it?

Question

Unity

When I move the camera over an object, I hide the mesh of this object and its shadow disappears.
How to leave a shadow?

Answer 1

You can apply a transparent texture (alpha = 0) and turn on the alpha cutout mode. I think this is the easiest way, not quite optimal, but if there are few such objects, then you should not bother with something more complicated.