Molecular copy machine

Today there are ways to measure the 3D surface of molecular and atomic structures, e.g. atomic force microscopy (AFM) that scans a surface and based on the force exerted on its tip, it can reconstruct the structure of the surface. The same AFM can also induce force, or through running current through it, bleach or modify a surface of specific materials.

I suggest connecting two such AFMs, where one is the reader and one is the writer for a molecular copy machine. One scans a surface and immediately transfer the 3D information to another one, which bleaches or changes the surface underneath it with the same pattern.

An ever more amazing goal, although I’m not sure it is feasible today, is to copy the actual 3D structure, i.e. not modifying the surface, but adding to it the appropriate number of atoms so as to achieve the same 3D surface. Probably a better way to go about it is to etch the negative of the scanned surface onto a new one.

Can this be made digitally, in the sense of high fidelity copying? If so, that can be a revolutionary way of storing data, art and communication, in the 3D surface of atomic structure.