Dutch architects are building what they claim is Europe 's first 3D canal house . The 13 story canal house will take three years to construct . The interior and exterior walls of the house are printed at the same time with spaces left in between for electric wiring and pipes . Some people question whether this is an efficient way to build new homes .
Dutch architects are building what they claim is Europe 's first 3D canal house . The 13 story canal house will take three years to construct . Some people question whether this is an efficient way to build new homes .