First home in Tempe built entirely by a 3-D printer unveiled 

The walls are concrete. The roof and joists are still wood.

It's concrete,

Well it is for someone comming out of an apartment complex prob for lower income. So a home of the own is great and they can finish it with drywall later if they want.

@@jessicabixler1658 They’re poor, they won’t notice or care. Is what you’re saying right?

So is orange peel texture. But many 3d homes are finished with drywall on the inside.