Hi.
Unfortunately I don't know how to draw up a file in eagle, etc to create a gerber file. Is it possible to create a board from either and AutoCAD drawing (with different layers), or DXF file or PDF file?
As long as the result is gerber and you produce all the files necessary.
Dangerousprototypesoffer routing: http://dev.dangerousprototypes.com/store/circuits (http://dev.dangerousprototypes.com/store/circuits) but only if the input is a schematic in eagle or kicad.