During a field trip to the museum, your classmate Kennet knocks over a beautiful vase, shattering it to pleces. The museum curator runs over panicking, but quickly calms down. She says that it's not a great outcome for the vase, but at least the vase was a computer-generated replica and not the real vase from 3000 BCE. What is the name of the process that was likely used to create the vase that Kennet destroyed?​