R2G2 is short for "Revision-2 G2". It is comparable to the legendary G2.
The pcb has a size of 59mm x 56mm.
Here´s a list with the parts you need to build it: Bill of materials
This pcb is made by GuitarPCB.com. For any technical problem relating to building this project, please contact Barry at GuitarPCB.com forum.
You get full technical support at the GuitarPCB.com forum, membership is free of course! There is even more detailed build information available there:GuitarPCB ForumHere´s the website for this project, only available when you are registered at the forum:R2G2 project
Here´s the direct link to the building docs, including layout and schematic:R2G2 documentation
Here some Sound Demos for the R2G2:R2G2 Les Paul Demo - Pedal into a clean Fender TwinStrat Demo - Strat into clean Fender Twin Clean - miked with Shure SM57 R2G2 Jam - Les Paul into clean Fender Twin, with Backing Track