This example is from Wikipedia and should be reused under a CC BY-SA license. They are often sculpted into several designs in the course of this process, occasionally resulting in deep thumb-print like indentations on their surfaces called regmaglypts. From Wikipedia SMART Vocabulary: associated words and phrases and phrases Sculpture https://sculpted-md-lakewood93714.thezenweb.com/facts-about-sculpted-md-lakewood-revealed-74560241