For Fuzz Friday, here's a cool variation on the Fuzzrite circuit by Apocalypse Audio. It takes the classic Fuzzrite, adds some extra gain, and a pretty clever tone control. More info and the schematic can be found here.
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.