Science Explorist

Scientists are giving dying coral reefs something extraordinary: a new skeleton to grow on.

In Australia, researchers and designers are using 3D-printed ceramic reef structures to help damaged coral ecosystems recover. Developed by Reef Design Labs, the Modular Artificial Reef Structure, or MARS, is built from interlocking ceramic blocks that divers can assemble underwater by hand — almost like a giant ocean puzzle.

These structures are designed to mimic natural reef habitats. Their rough ceramic surfaces give coral fragments a stable place to attach and grow, while the gaps and curves create shelter for fish and other marine life.

The technology has already been deployed in the Maldives as the country’s first 3D-printed artificial reef. While it cannot stop the bigger threats of ocean warming and acidification, it gives scientists a powerful tool to restore vulnerable reef zones, study heat-tolerant corals, and test better ways to rebuild marine ecosystems.

It is a striking example of how design, technology, and conservation can work together beneath the waves.

Source: Monash University, Designing for the Deep (2025)