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3D printing Technology is growing very fast up to the level of printing a building itself.
A professor at University of Southern California is working on technology named as Contour
Crafting which can print an entire 2,500 sqft house in 20 hours.
He was able to make a print-head that can extrude wet cement in such a way that the
cement is able to keep its form as each successive layer is printed.
Using the Contour Crafting (CC) , a single house or a colony of houses, each with possibly
a different design, may be automatically constructed in a single run, and all the conduits for
electrical, plumbing and air-conditioning can be embedded
The professor believes that his technology would make the construction of efficient buildings
so cheap so that we could print houses for Millions of poor people living in slums across
the world. And, this kind of building process will avoid the killings and injuries related
to construction accidents.
Apart from printing Houses, Contour Crafting can be used for building habitats on other
planets. Contour Crafting will most probably be one of the very few feasible approaches
for building structures on other planets, such as the Moon and Mars.