Which IIT Madras startup built India's first 3D-printed house, inaugurated 27 April 2021?

Tvasta. Tvasta, a startup founded by IIT Madras alumni, built India's first 3D-printed house. It was inaugurated on the IIT Madras campus on 27 April 2021. Union Finance Minister Nirmala Sitharaman inaugurated it. Read more: SciTech0031 — 3D Printing in India.

Consider the following areas: 1. Confectionery, 2. Bionic ears, 3. Automotive industry, 4. Reconstructive surgeries, 5. Data processing technologies. In which of these can 3D printing be used?

1, 2, 3, 4 and 5. 3D printing has uses in all five areas. Food products, implants and prosthetics, circuit boards and car parts are all in the national strategy. A bionic ear was printed in 2013 using a cell-seeded gel. Read more: SciTech0031 — 3D Printing in India.

MiCoB says 3D printing cut the time to build an Army bunker from 45 days to under how many days?

7 days. MiCoB reported in November 2025 that bunker building time fell from 45 days to under 7 days. It had delivered more than 500 blast-resistant bunkers to the Army. These are company figures reported by the media. Read more: SciTech0031 — 3D Printing in India.

The National Strategy for Additive Manufacturing aims to raise India's share of the global additive manufacturing market to what level?

5%. The strategy, released by MeitY on 24 February 2022, aims for a 5 percent share of the global market. It also targets nearly US$1 billion added to GDP by 2025. Read more: SciTech0031 — 3D Printing in India.

ISRO's 3D-printed PS4 liquid rocket engine replaced 14 parts with one piece. How many weld joints did this remove?

19. The printed PS4 engine cut the design from 14 parts to a single piece. It removed 19 weld joints. Production time fell by 60 percent. The engine was tested at Mahendragiri in May 2024. Read more: SciTech0031 — 3D Printing in India.

IIT Madras says a 3D-printed house takes about five days. How long does a conventional house take, by the same source?

Four to six months. IIT Madras says printing takes about five days. A conventional house takes four to six months. The printed house is a single-storey home of about 600 square feet. Read more: SciTech0031 — 3D Printing in India.

Where was the second National Additive Manufacturing Symposium (NAMS) held on 13 March 2026?

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