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Method of forming a non-cylindrical filament for use in extrusion-based digital manufacturing systems

  • US 10,272,665 B2
  • Filed: 01/31/2017
  • Issued: 04/30/2019
  • Est. Priority Date: 09/30/2009
  • Status: Active Grant
First Claim
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1. A method of forming and packaging a non-cylindrical filament for use in an extrusion-based additive manufacturing system to build a three-dimensional part or a support structure in a layer-by-layer manner, the method comprising:

  • providing a sheet of extrudable material;

    cutting the sheets of material into non-cylindrical strips configured to be melted and extruded with a liquefier; and

    loading the non-cylindrical strips onto supply assemblies configured to supply the strips to the additive manufacturing system.

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