Earlier this year, Texas startup ICON turned heads after building a 350-sq.-ft. dwelling in 48 hours from start to finish. Its not-so-secret weapon: the Vulcan 3-D printer, a groundbreaking ...

To print, click the Format for Printing icon on the bottom left, beneath the message, then print as usual. To email the post, click "Post Reply." A post box will open, and underneath it you'll see ...