3-D printing continues 10-year growth trend
Use of 3-D printing for the production of parts for final products continues to follow a decade-long growth trend. According to Wohlers Report 2013, final-part production rose to 28.3 percent of the $2.2 billion spent last year on 3-D printing products and services worldwide. In 2003, it represented only 3.9 percent of revenues, as shown in the accompanying chart.