This example is from Wikipedia and could be reused less than a CC BY-SA license. They are often sculpted into various styles for the duration of this method, from time to time causing deep thumb-print like indentations on their surfaces termed regmaglypts. From Wikipedia This instance is from Wikipedia and https://sculpted-md-lakewood25357.smblogsites.com/36415587/everything-about-sculpted-md-lakewood