This instance is from Wikipedia and may be reused below a CC BY-SA license. They can be sculpted into many designs in the course of this method, in some cases resulting in deep thumb-print like indentations on their own surfaces referred to as regmaglypts. From Wikipedia References in periodicals archive https://knoxrcgll.blogofoto.com/67599920/not-known-factual-statements-about-sculpted-md-lakewood