26 story has been corrected to say the area of expansion is 60 acres, not 40 acres, in paragraph 2) It looks like any other 3D printer - except it's the size of a crane and is, layer by layer ...
(This Sept. 26 story has been corrected to say the area of expansion is 60 acres, not 40 acres, in paragraph 2) MARFA, Texas : It looks like any other 3D printer - except it's the size of a crane ...
But in three dimensions, things get more interesting—because 3D soft cells, called z-cells, have no corners at all. For example, a two-dimensional cross-section of a nautilus shell shows shapes ...