This instance is from Wikipedia and will be reused less than a CC BY-SA license. They are often sculpted into many shapes all through this process, from time to time resulting in deep thumb-print like indentations on their surfaces known as regmaglypts. From Wikipedia Sensible Vocabulary: linked text and phrases https://sculpted-md-lakewood66431.bloggazzo.com/35363555/5-simple-statements-about-sculpted-md-lakewood-explained