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A comment on A house 3D printed from raw earth.

Re:A house 3D printed from raw earth by 3dee on Tuesday April 27, 2021 @10:40AM (#26956513)
It seems to be a mixture of clay, salt, rice fibers and lime.

So I guess the lime prevents erosion.

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Re:A house 3D printed from raw earth by RosanaAnaDana on Tuesday April 27, 2021 @10:46AM (#26956609)
Mineralization. Effectively turns the aggregate into a kind of concrete. I would put a significant bet down that the energy cost of the lime is not accounted for in their 6kwh calculation.
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