Kidney Shaped Putting Green I Would Like To Know How To Build My Own Putting Green In My Backyard.?

I would like to know how to build my own putting green in my backyard.? - kidney shaped putting green

I have a small fenced garden with paving stones, kidney-shaped table, and quite a large area. looking for an inexpensive way to a green, grass or other material that is not needed and cut be made, the green material on the outside?