the principle s of 3d printing with color -

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i saw models made 3d printing can have colours assigned different components. wondering how achieved.

1: principle of 3d printing process print colors objects? color painted on object surface or inside object?

2: since of input 3d printing machine stl file composed of triangles, how attach color information 3d printing machine? , how 3d printing machine can retrieve , understand color information?

thanks lot,

  • modeling: draw three-dimensional view.
  • printing: printer resolution describes layer thickness
  • finishing: additive manufacturing techniques able combine multiple colors , multiple materials during course of constructing process.

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