This example is from Wikipedia and could be reused below a CC BY-SA license. They may be sculpted into several shapes for the duration of this method, from time to time leading to deep thumb-print like indentations on their surfaces termed regmaglypts. From Wikipedia This example is from Wikipedia and https://edgartdiln.techionblog.com/36482243/not-known-factual-statements-about-sculpted-md-lakewood