Schematic is avaiable HERE.
10uF cap is stock SL Drive value, 1uF is suggested value by Aion Fx.
Two layouts for this one. One stock and one with an additional Mid control. The clipping diodes is placed on the side of the board so you can easily add a diode clipper switch. Just omit the diodes on the board and add wires tat pad 1M and 1N to a DPDT switch where you solder your diodes of choice.
Stock layout