This example is from Wikipedia and could be reused less than a CC BY-SA license. They are often sculpted into numerous shapes in the course of this process, in some cases leading to deep thumb-print like indentations on their own surfaces known as regmaglypts. From Wikipedia SMART Vocabulary: connected phrases https://sculptedmdlakewood56332.madmouseblog.com/16956049/helping-the-others-realize-the-advantages-of-sculpted-md-lakewood