Here's a quicky from the Folk Urban schematic archive for #FuzzFriday. It's a simple circuit with low power draw, so if you use batteries, this one won't drain it for a while. Q1 can be any medium to high NPN silicon.
This is a library of perfboard and single-sided PCB effect layouts for guitar and bass. I'm not an electrical engineer by any stretch of the imagination, just a DIY'er who likes drawing layouts. It is meant for the hobbyist (so commercial use of any of these layout is not allowed without permission) and as a way to give back to the online DIY community.