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3-D Printing Entire Homes Can Really Help People In Poverty

The technology is being used to build homes that are inexpensive and environmentally friendly.
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Imagine being able to build a home for around $50. A 3-D printer is making that possible. 

The world's population is growing, and so is the number of people in poverty who need housing

These 3-D printed homes use local materials — like mud and straw  — which makes them better for our environment. Tests on materials are still being done. 

SEE MORE: How 3-D Printing Is Revolutionizing Medicine

The printer can build about 3 feet's worth of walls per day. 

But there are some downsides. For example, the mud needs to be dried in the sun in order to become strong. 

3-D printing isn't just mesmerizing to watch — it can get more homes to people who need them most. 

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