Pumped up Tonebender. Pump'd Up means you can use it with other negative-ground pedals.
The dimensions of the pcb are x mm.
This project is by GuitarPCB.com, in cooperation with Musikding. 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:
Here is the direct link to the building docs, including layout and schematic: