Slideshow: Amsterdam architects start printing a 3...
The honeycomb structure of one of the building blocks. The blocks will be filled with a foam that resembles concrete to strengthen the structure, Vermeulen said. The building will still be relatively light though and will be fastened to the ground with a "herring-like structure" so it won't get blown away during a storm.
Slideshow: Amsterdam architects start printing a 3D canal house