IIT Alumni builds India's first '3D printed house'

Its first structure, a single-storey house of 600 square feet has been constructed using indigenous concrete 3D printing technology

A start up founded by alumni of IIT Madras called Tvasta Manufacturing Solutions, has made what it says is India's first 3D-printed house. The team printed the structure using a specialty concrete that it had developed to print large-scale 3D structures in short periods.


The mix is based on ordinary Portland cement, which has a lower water-cement ratio. As concrete is the primary material typically used in construction projects but cannot be recycled and requires a lot of energy to mix and transport. So, the team's use technology to print the house using ordinary Portland cement which can “overcome the pitfalls of conventional construction.”


Its first structure, a single-storey house of 600 square feet has been constructed using indigenous concrete 3D printing technology and in collaboration with Habitat for Humanity's Terwilliger Center for Innovation in Shelter. This technology can help build a house in five days.


The house was inaugurated by Finance Minister Nirmala Sithraman via video-conferencing, in which she said that India definitely needs solutions that do not require much time and the latest “technology enables building a 3D printed house in 5 days”. She also said that the “Conventional housing requires timing, material, logistics, transporting of material, and so on. But if this technology can produce houses in different locales in five days, it would not be a big challenge to build 100 million houses by 2022,”


Tvasta Manufacturing Solutions has also said that it had developed its own material mix, which is an extricable concrete consisting of cement, sand, geo-polymers, and fibres. It prepared the final material mix by mixing the raw materials in a large hopper. The use of such local materials would reduce the need to transport concrete long distances, reducing the environmental impact.

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