Watch the underwater construction of a modular artificial reef system that was developed by Melbourne-based designer Alex Goad.

The system's interlocking components are designed to fit together like Lego. Each piece is cast in ceramic using a 3D-printed mould before being fitted with steel reinforcements and filled with marine concrete.

The permanent structures can be used as coral farms or replace the diminishing habitats of reef-dwelling species.

Read more on Dezeen: https://www.dezeen.com/"p=655415
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