Students create 3D-printed coral reef to clean up rivers

Students at Tunghai University in Taiwan have designed a type of artificial coral reef. The proposed structure is made of 3D-printed eco-friendly ceramic to help revitalize urban rivers. 

While natural corals are irreplaceable and essential to ocean health, this 3D-printed structure has a specific mission: to provide shelter for aquatic organisms. This alone can help sustain various species. 

Named “C-ecology,” the system is designed to be deployed with a wetland system—essentially a filter covered with purifying plants. Each module is placed on the water's surface, with the plants floating on top while the artificial coral sits below, accessible to aquatic species.

Students create 3D-printed coral reef to clean up rivers - Image 3 of 6
© Green Product Award, via CicloVivo

According to the creators, the structure fosters the growth and support of organisms. The presence of these living beings increases water circulation, which in turn improves the quality of the urban river. 

The modular system can also adapt to various rivers, regardless of their size and depth. 

Students create 3D-printed coral reef to clean up rivers - Image 5 of 6
© Green Product Award, via CicloVivo

Via CicloVivo.

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Cite: Sousa, Marcia . "Students create 3D-printed coral reef to clean up rivers" [Estudantes criam recife de coral com impressão 3D para despoluir rios] 07 Jul 2026. ArchDaily. (Trans. Baratto, Romullo) Accessed . <https://www.archdaily.com/1132566/students-create-3d-printed-coral-reef-to-clean-up-rivers> ISSN 0719-8884
© Green Product Award, via CicloVivo

学生利用3D打印技术制作珊瑚礁以净化河流

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