The work for what is believed to be one of the largest on-site two-storey office building using 3D printing contour crafting technology has started in Heyuan, Guangdong Province, on Monday.

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The work for what is believed to be one of the largest two-storey buildings built using 3D printing started in Heyuan, Guangdong province, on Monday.

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Loaded with a concrete mixture the printer will produce, layer-by-layer, the walls and structural columns of the building. The office building is designed at 7.2 meters high and with 230 square meters of floor area, with a showroom on the first floor and offices on the second. Using contour-crafting technology, walls of the building will be hollow within for workers to fill in thermal materials.

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The 3.5 meter-high first floor will takes 30 hours to complete if the printer works without stop, before work on the second floor will begin. […]

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