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3D printing

or 3-D printing

[three-dee prin-ting]
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noun
  1. a printing process that involves making three-dimensional objects from digital models by applying many thin layers of quick-drying material on top of each other.
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Origin of 3D printing

First recorded in 1980–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018