Seeing “Black Panther” cosplay pick up lately is “validation” for those communities, says Harris, whose cosplay name is Mahogany Severia. Jabari says she also dresses up as white characters. Additive manufacturing is one of the most important technological advances of the 21st century. Durnin was already an experienced hand when it came to costuming. How about Dr. Kawashima from the Brain Age series?