Why you'll never buy a 3D printer

While 3D printer sales will experience healthy growth over the next four years, consumer machines remain a technology in search of a purpose, according to researcher IDC.
3D printers, materials and services in the U.S. grew by almost 20% in 2015 compared to the year before, representing $2.5 billion market. And 3D printer shipments are expected to experience a compound annual growth rate (CAGR) of more than 16% through 2020, according to IDC's U.S. 3D Printer Forecast, 2016-2020.
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