I dont have drawings. I based my design on a Supersplit log splitter. You can look them up online. It would be much easier to buy one than it was to build it. You will have to make your own pinion gear. Supersplit uses a 10 tooth gear and I think a 6 pitch. I went with an 11 tooth because that was the only cutter I could find. Call me if you like 502-231-3880. Danny