This example is from Wikipedia and may be reused less than a CC BY-SA license. They may be sculpted into various designs for the duration of this process, occasionally causing deep thumb-print like indentations on their own surfaces named regmaglypts. From Wikipedia Clever Vocabulary: linked phrases and phrases Sculpture bas-relief https://keeganxwrmd.pointblog.net/the-ultimate-guide-to-sculpted-md-lakewood-82380442