I "spilled" this one on HC already since it's I project I won't continue.
Here's my full schamatic and PCB layout file for a clone of the Shin Ei FY6, which has been around in many varieties among which the famous Shaftesbury Duo Fuzz.
Project is verified although I used 2SC1815's.
Use is, share it, and, abuse it if you want to. If you can and wanna make money on it. Go ahead!
http://www.dirk-hendrik.com/temp/shinei%20_fy6.pdf