India’s first 3D printed post office was developed in only 43 days by L&T and IIT Madras.

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India’s Larsen & Toubro (L&T) construction company and the Indian Institute of Technology Madras (IIT Madras) have unveiled the country’s first 3D printed post office in Bengaluru’s Cambridge Layout. The virtual inauguration was attended by Ashwini Vaishnaw, the Union Cabinet Minister for Railways, Communications, Electronics, and IT. The project was completed in just 43 days, two days ahead of schedule, highlighting the potential of 3D concrete printing technology to revolutionize construction methods.

Spanning over 1,021 square feet, the 3D printed post office is a testament to modern engineering. The construction involved the methodical placement of concrete layers by a robotic 3D printer, following a pre-approved design. Specialized concrete that solidifies rapidly ensures a strong bond between the layers, resulting in a cohesive structure. The post office has a seamless structure with no vertical joints, thanks to the flexibility of 3D printing technology to create curved surfaces and adapt to various dimensions.

The use of robotic intervention and pre-embedded designs significantly increased the efficiency of the project, reducing the construction timeline from 6-8 months to just 43 days. Additionally, the 3D printed method reduced costs by 30-40% compared to traditional construction methods, amounting to Rs 23 lakh ($27,840).

The developers of the project emphasized the transformative potential of 3D printing in construction. The technology enables customized structures, weatherproofing, and integrated utilities within walls for enhanced efficiency. Rajendra Kumar, Chief Postmaster General of Karnataka Postal Circle, announced plans to replicate the technology in 400 vacant sites across the state, potentially paving the way for low-cost housing solutions.

The use of 3D printing in construction is not limited to India. In Siddipet, a construction company, Apsuja Infratech collaborated with Simpliforge Creations to build the world’s first 3D printed temple. The large temple aimed to reduce the typical construction timeline by half, and the construction process utilized a state-of-the-art robotic 3D printing facility.

In Lviv, Ukraine, Danish 3DCP Group and humanitarian foundation Team4UA successfully created Europe’s first 3D printed school. The single-floor school covered 370 m2 and prioritized the use of locally sourced materials to support the local community and economy.

The future of 3D printing in construction holds immense possibilities. In the next ten years, there will be various engineering challenges that need to be addressed in the additive manufacturing sector. Staying updated with the latest news and developments in 3D printing is crucial for professionals in the industry.

To explore more about 3D printing and its applications, subscribe to the 3D Printing Industry newsletter, follow them on Twitter, like their Facebook page, or subscribe to their YouTube channel. Additionally, those looking for job opportunities in the additive manufacturing industry can visit 3D Printing Jobs for a selection of roles within the field.

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