This example is from Wikipedia and will be reused underneath a CC BY-SA license. They are often sculpted into several designs through this process, at times resulting in deep thumb-print like indentations on their own surfaces termed regmaglypts. From Wikipedia This example is from Wikipedia and should be reused underneath https://rowanssmkr.blogsumer.com/35556055/the-definitive-guide-to-sculpted-md-lakewood