Coral reefs are disappearing at a rapid rate around the world as pollution, overfishing, coastal development, and global warming are all playing a significant part in this alarmingly fast decline. The biggest advantages gained from 3D printing these structures is the speed and control gained when using 3D printing technology. Small variations are easily made, which helps build diversity into the reefs and replication is far faster than with concrete molds. The team can now generate a 3D image file of a natural reef and then print it as well. The prototype reefs took about a week to design and only a day to print and the reefs can be printed four at a time.
http://3dprintingchannel.com/3d-printing-artificial-reefs-in-the-persian-gulf-to-save-deteriorating-marine-ecosystems/
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