How Indigenous Groups Are Using 3-D Technology to Preserve Ancient PracticesTo safeguard fragile cultural objects, some groups are replicating them with digital models Scientific American | Rachel Parsons June 29, 2022, In a cavernous Smithsonian Institution workshop, a team of imaging experts laser scans a small, hand-carved cedar hat. It was crafted more than 140 years read more ASCC Work Featured in Scientific American: How Indigenous Groups Are Using 3-D Technology to Preserve Ancient Practices