EARTHQUAKER DEVICES: The Depths

I think it's fair to say that you should not attempt this unless you are pretty confident with your builds.   The Earthquaker Devices The Depths, is their take on the Uni-Vibe.   

The schematic can be found here, on PedalPCB in the build doc.

EARTHQUAKER DEVICES THE DEPTHS - VERO LAYOUT

THE DEPTHS VIDEO DEMO