A new dimension to marine restoration: 3D printing coral reefs

The local fishermen looked on skeptically. From the deck of a small motorboat, scuba divers grabbed odd chunks of ceramic – which could be described as rocky brains stuck on stumpy stilts – and plunged into the aquamarine waters. The dive team assembled the pieces as a few triggerfish circled around to investigate the commotion.
Read more: https://news.mongabay.com/wildtech/2018/08/a-new-dimension-to-marine-restoration-3d-printing-coral-reefs/?source=Snapzu