There’s a massive thread of modded circuits at Free Stomp Boxes by Dylan159 – this one is a Bazz Fuss / Fuzz Face hybrid, suitably called the Bazz Face.
There’s plenty more in the thread, including schematics and sound demos.
DYLAN159 BAZZ FACE – VERO LAYOUT
BAZZ FACE SCHEMATIC
Drawn by Dylan
BAZZ FACE ON THE SCOPE / FFT
caution – start with low levels.
440hz sine wave, probe on the output. This is with germanium transistors, which looks very much like the silicon ones I tested first. I changed to a larger fuzz pot for a bit more range.