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Additive manufacturing technique for printing three-dimensional parts with printed receiving surfaces

  • US 10,399,281 B2
  • Filed: 04/29/2016
  • Issued: 09/03/2019
  • Est. Priority Date: 08/16/2012
  • Status: Active Grant
First Claim
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1. A method for printing three-dimensional parts in a layer by layer manner with an extrusion-based additive manufacturing system, the method comprising:

  • providing a starter piece having a receiving surface that is substantially parallel to a build plane and where the receiving surface is substantially normal to a print axis;

    extruding a first layer of a three-dimensional part and/or a sacrificial structure onto the receiving surface by extruding material from a print head;

    moving the starter piece and a printed portion of the three-dimensional part and/or the sacrificial structure a distance along the print axis,extruding a successive layer of the three-dimensional part and/or the sacrificial structure onto the previously printed layer; and

    repeating the moving and extruding steps to print the three dimensional part to a dimension greater than a build environment of the additive manufacturing system.

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