3 pictures The ultra-thin, curved concrete roof, built as a prototype of a new fabrication method designed by ETH Zurich engineers Concrete has been around for millennia, but that doesn’t mean we can’t cook up new ways to build with the world’s favorite construction material. It’s been electrified to melt snow and used as an […]
from The 3d printers source http://ift.tt/2kMpBjO
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