Italian 3D printing tech firm, WASP, have built [printed] a house made from soil and agricultural waste. The outer walls were formed by the 3D printer and topped with a traditional timber roof.
The house was printed using a natural mud mixture, made from soil taken from the surrounding site, as well as waste materials from rice production such as chopped straw and rice husks. WASP claim the building is biodegradable and could eventually turn back into soil if left unmaintained.
The mud mix is layered into a honeycomb waffle type of construction with voids filled with rice husk insulation. WASP also claim this method of insulating keeps the temperature inside the house comfortable, eliminating the need for heating or cooling.
At the moment a lot of experimental 3D printing seems to be taking place, not necessarily because it serves a real purpose but because people can and want to showcase their tech. Hopefully, over the next few years 3D printing will be adopted by more and more organisations and will become much more accessible; providing a real, practical alternative and purpose, not just hovering on the experimental periphery.
What is interesting to note is the source of the materials. I think there is a noticeable shift in consumers awareness of where their products come from and how much energy and processing is required to make something. We sense that low impact vernacular buildings, made from their surroundings, are going to become a lot more popular and mainstream over the coming years.
Website here: https://www.3dwasp.com/en/3d-printing-architecture
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