Icon is building a community of 100 3D printed homes in Austin.IconDaniella Glaeze documents her 3D printed home on TikTok, amassing millions of views.Icon and Lennar are building a community of 100 3D printed houses just north of Austin.The homes, made with "lavacrete" and featuring biophilic designs, offer energy efficiency.3D printed houses may sound like they're from a future filled with hoverboards and holograms.