Though most brides dream of their one-off wedding dress being hand sewn by designer couturiers, that could soon be a thing of the past. One company in China is now making 3D printed bridal dresses.

Mariana Pavani walked down the aisle in a custom gown that marked a big day for not just for the bride but for fashion history, too: Dutch designer Iris van Herpen had used a 3D printer to craft the ...