> Another idea that may have already been suggested is to cut pieces 
> of
> blank PC board to size, and solder them together to fit inside the
> plastic box.  Again, this is okay for onsey twosey type things, but 
> for
> production quantities, it would be difficult at best, and not really
> practical.

Works well for electrostatic shielding. No good if you want 
electromagnetic shielding.
You can also buy brass foil (shim stock ?) and probably copper foil as 
well.


        Russell


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