People like stone, since stone is a natural material, color variations, and veining are perfectly normal, and no pieces are exactly alike. Carving stone by hand may requires you have art basic knowledge, and it takes a rather long time to practice on it. For a stone-work shop, owner may hire stone worker with rich experience or wait a worker to practice and practice and get skilled. #stone carving
Well, if there is a machine to assist you, whatever you make stone carving as hobby or business, it will improve the stone carving work rather efficiently on the speed and precision and almost without mistake, saving you a lot of time and cost.