New pedal day!
This one is a clone of the ZVex Mastotron, a farty silicon fuzz, and the layout is here – http://tagboardeffects.blogspot.co.uk/2012/02/zvex-mastotron.html
When it came to do the artwork and theme I wasn’t getting any inspiration from elephants or suchlike. A few happy accidents later I came up with The Scotoma (see Scintillating Scotoma, something which I get from time to time):
It was a bit of a squeeze getting it all into a 1590B which meant that the toggle switch is too close to the stomp switch, but as I’m not going to gig with it, it will be OK.
Schematic: