> Download "Viewmate"(free). Use the "Import Gerber" selection and you > can set each layer to a different color. > > Dave - WB6DHW > <http://wb6dhw.com> >
Thanks - In fact, I downloaded Viewmate, but then set all the layers to the same colour and told the program to XOR the layers. This was perfect, as everything vanished but the differences :-) Cheers, Ben