Hi MMD, I'm seeking information on piano roll perforators of any type. Are there plans that can be bought? Photos? Are there any roll copiers? Is there anyone building perforators? I would appreciate any information. Thanks MMD Steve Marx [ Related articles are indexed at [ http://www.mmdigest.com/archives/KWIC/P/perforator.html [ http://www.mmdigest.com/archives/KWIC/P/perforators.html [ -- Robbie