Meant to look like they are “traveling in time, caught in motion.” I was told by an assistant at the Dior Medallion Chair project that Ma Yansong’s 3-D-printed chairs were the “It” chairs of Art Basel and Design Miami this year. Photo: MA YANSONG ©KEN NGAN/Dior This year’s Art Basel saw a number of luxury fashion houses eager to show off their new … chairs? Chairs. Of course, high fashion’s fascination with furniture design isn’t exactly new. Rei Kawakubo started making (mostly nonfunctional) chairs in the ’80s, while Fendi launched Fendi Casa, an actually usable home collection, in 1988. Louis Vuitton and Hermès ventured into furniture some 30 years later,…