The site, funded mostly by Chang and his brother, a successful Hong Kong financier, covers 400, 000 square feet, a quarter of which now contains structures whose purposes are quickly evolving.

WSJ: Ancient Village Rises in Shanghai; The Shock of the Old

Efforts to promote 3-D printing for surgical purposes come at a time when the technology is evolving faster, drawing renewed attention in the media and generating buzz among consumers world-wide.

WSJ: Next to Use 3-D Printing: Your Surgeon