This company is building 3-D printed, small homes on existing residential properties to fight back against California's housing shortage. Look inside a unit that was move-in ready in one week.

Rather than slowly building a model by adding layers of material, the iModela iM-01 3D Modeling Machine carves its creations down from a larger block of material, like a small, automated sculptor.

The company, Mighty Buildings, has been showcasing small (350 square foot) studio apartment models of its new "ADUs" (accessory dwelling units) aimed at backyards and selling for around $115,000.

Costs for a BIMIT model run from $175 for a space that’s under 1,000 square feet up to $19,000 for a building that is between 75,000 and 100,000 square feet, according to a rate sheet published ...

The Urban Lab project at Tokyo's Mori Building features a 1:1000 scale model of Tokyo that represents about 230 square kilometres (89 square miles) - the 13 wards at the heart of the Japanese capital.