The US Department of Energy reports "By eliminating production steps and using substantially less material, 'additive' processes could be able to reduce waste and save more than 50 percent of energy compared to today's 'subtractive' manufacturing processes, and reduce material costs by up to 90 percent. "12 The global economic system uses huge amounts of raw materials and finished products traverse the world on ships and planes, but 3D printing will allow more products to be produced where they are needed without the cost and greenhouse gas emissions from transport.
This example text from a political party manifesto is positive towards national solidarity, civil society or appeals for public spiritedness or against anti-social attitudes