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| − | [[Image:Contour crafting.jpg|right|180px]] | + | #REDIRECT [[Construction#3-D printing]] |
| − | [[Image:Contour crafting2.jpg|right|180px]]
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| − | Computer controlled flexible manufacturing methods can even be applied to constructing buildings. ''Contour Crafting'' is a technique that has been developed by Behrokh Khoshnevis of the University of Southern California that involves building up the structure of the building in horizontal layers by squeezing out quick drying cement from a nozzle. By the time first layer has been drawn out, the first part to be laid will have solidified enough to take the second layer. This is much like the {{wp|Fused_deposition_modeling|'fused deposition modelling'}} 3D printing method but on a huge scale.
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| − | Walls of building constructed using these methods do not have to be straight, on either the horizontal or vertical axes, so complex organic curved and domed buildings can be made, perhaps mimicking biological structures.
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| − | Houses can be designed completely [[CAD|on computer]], then the automated constructor gets to work with no human labour involved. Pipework and cabling could even be laid inside walls as they are being built. The team developing this technology in California reckon that the structure of a 2000 sq.ft two-storey house could be built within 24 hours. So it seems that this type of construction has the potential to be far faster, safer, cheaper and more flexible than conventional construction techniques. Also no house need ever look the same again...
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| − | *[http://www.contourcrafting.org Contour crafting website]
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| − | *[http://www.isi.edu/craft/CC/Welcome_files/resources/animation.html Animations and film of contour crafting technique]
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| − | *[http://www.timesonline.co.uk/newspaper/0,,176-2546574,00.html Times article]
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| − | See also Loughborough University's research into what they call [http://www.freeformconstruction.co.uk Freeform Construction] and [http://www.technologyreview.com/business/37218/?a=f Neri Oxman's work at MIT]
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