Imagine the power to clone your favorite LEGO piece—not just any piece, but let’s say, one that costs €50 second-hand. [Balazs] from RacingBrick posed this exact question: can a 3D scanner ...

is also building sustainable housing but it's using interlocking bricks made from recycled materials instead of 3D printers. "It's all interlocking, like a Lego, so all the pieces have this same ...