This example is from Wikipedia and may be reused less than a CC BY-SA license. They are often sculpted into various shapes during this process, at times resulting in deep thumb-print like indentations on their own surfaces known as regmaglypts. From Wikipedia Sensible Vocabulary: associated text and phrases Sculpture bas-reduction https://sculptedmdlakewood35432.suomiblog.com/5-simple-techniques-for-sculpted-md-lakewood-52077941