The technique offers an affordable, modular and low-carbon structure in which to rebuild marine habitats

Australian architect James Gardiner is advocating for 3D printing technology to build structures for coral to grow on. The 3D printed structures replaced reefs that are currently decimated by disease, pollution and dredging.

Artificial reefs are currently built out of uniform, block constructions of concrete or steel. While these solutions are cheap and easy to make, they don't look or remotely resemble the real thing. Gardiner has been working with David Lennon of Reef Design Lab to design a new solution with textured surfaces and built-in tunnels, creating shelters for fish and other aquatic wildlife.

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