Sometimes the question pops up in my head: 'Why make something 3D Printed if it can already be handmade?' Or why not use other resources, tools, advanced equipment we have already mastered.
I was blown away when I found this.
In 2012 company Sustainable Oceans International (Australia) 3D Printed sandstone coral that "Look and function like a natural reef" to restore damaged natural reefs. Being able to print it allows the replication of particular kinds of coral close to exact replicas of natural ones, which appeal to certain kinds of marine life! Encouraging the rebuilding of the reefs and sealife to thrive in that particular area again.
To produce something like this in sandstone as acurate as a real coral reef by 'hand' would be pretty difficult and time consuming I'd imagine!
Such a brilliant idea, inspiring.