This is the Crown Jewel from BYOC. I also added the 27v Boost and an octave up circuit.
(http://imgur.com/N1Z9Abu)
Here is a demo:
Nicely done, great demo. That's an impressive pedal and the demo really does it justice.
Cool, I like the number of options in this!
I've got one on a veroboard that needs populating. One day I'll do it.