I have been messing about with a fuzz face circuit recently with a little bit of success by using a bias control. I'm considering building a zvex fuzz factory
http://revolutiondeux.blogspot.co.uk/2010/06/zvex-fuzz-factory.html (http://revolutiondeux.blogspot.co.uk/2010/06/zvex-fuzz-factory.html)
Is there circuit board available ?
Let me google that for you:
https://www.google.no/search?q=fuzz+factory+layout&espv=210&es_sm=93&source=lnms&tbm=isch&sa=X&ei=yBjYUpudGNCVyQPlzIDACQ&ved=0CAkQ_AUoAQ&biw=1600&bih=795 (https://www.google.no/search?q=fuzz+factory+layout&espv=210&es_sm=93&source=lnms&tbm=isch&sa=X&ei=yBjYUpudGNCVyQPlzIDACQ&ved=0CAkQ_AUoAQ&biw=1600&bih=795)