It seems to me that to make a case about how much money a 3D printer might save, you have to start by establishing a baseline about likely spending.

One of the major obstacles to the adoption of 3D printing in many markets has been the variability of its output — in terms of dimensional accuracy and material properties such as porosity ...

3D printing machines can build up to 40 percent of homes during the construction process and save money on labor costs, experts say.