Architects are starting to 3D print houses—but without a house-sized printer

A couple of months ago, Dutch architect Janjaap Ruijssenaars announced that he was building a curvy, loopy and for some reason, largely see-through building, to be made with the help of Enrico Dini’s D-Shape 3D printer. The project would cost up to 5 million euros ($6.4 million) and be completed in …