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D-Shape
D-Shape is a large 3-Dimensional printer that uses stereolithography, a layer by layer printing process, to bind sand with an inorganic seawater〔(【引用サイトリンク】url=http://www.youtube.com/watch?v=RYaRUVTwIVc )〕 and magnesium-based binder in order to create stone-like objects. Invented by Enrico Dini, founder of Monolite UK Ltd, the first model of the D-Shape printer used epoxy resin, commonly used as an adhesive in the construction of skis, cars, and airplanes, as the binder. Dini patented this model in 2006. After experiencing problems with the epoxy, Dini changed the binder to the current magnesium-based one and patented his printer again in September 2008. In the future, Dini aims to use the printer to create full-scale buildings.
==Technical Description==
The current version of the D-Shape 3-D printer sits in a 6m by 6m aluminum frame. The frame consists of a square base that moves upwards along four vertical beams during the printing process via stepper motors, which are used to repeatedly move a specified length and then hold in place, on each beam. Spanning the entire horizontal 6m of the base is a printer head with 300 nozzles, each spaced 20mm apart. The printer head is connected to the base by an aluminum beam that runs perpendicular to the printer head.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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