The DLAY is based on the original Rebote Delay. It uses a PT2399, reaching about 350-400ms of delay.
The dimensions of the pcb are 59x56mm.
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.
Here is the direct link to the building docs, including layout and schematic: