Carbon's M1 Image source: Carbon. The M1 is an Internet-connected 3D printer with a build envelope of 144 w x 81 d x 330 h millimeters -- equivalent to about 5.7 x 3.2 x 13 inches.

The historical significance of the M1 Garand can't be overstated. It was the first semi-automatic military rifle to be employed as a standard shoulder weapon, a point that was quite notable at the ...