That button will allow you to print to your 3D printer, or send a 3D file to be created for you at a long print shop or in mass quantity in software enabled factory.

FORBES: Chris Anderson's New 'Maker' Vision

From these it is possible to estimate the mass of plant matter (and thus the quantity of carbon stored) in an area.

ECONOMIST: Monitoring forests: Seeing the world for the trees | The

Energy density refers to the quantity of energy that can be contained in a given unit of volume, area, or mass.

FORBES: Magazine Article