— Levin Eustice, Rome Corners, Wis. A Ben Cox, engineer at the Morgridge Institute for Research: 3D printing is a process by which we make a piece layer by layer, and the various forms of 3D printing ...
Extrusion-based printing, or fused deposition modeling, uses filaments. It takes a raw material and extrudes it through a die to create a long strand.
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