As well as adding a full tone stack, Grahame added the VVR (now called VCB) circuit to allow full distortion at lower room volume. As you can see it’s quite tightly packed.
“The wood is meranti, an Asian mahogany, stained and then sealed with poly and top coated with acrylic urethane. (Same process as PRS use, I am building a replica, so this was practice.)”