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Image-based monitoring and feedback system for three-dimensional printing

  • US 10,265,911 B1
  • Filed: 04/25/2016
  • Issued: 04/23/2019
  • Est. Priority Date: 05/13/2015
  • Status: Active Grant
First Claim
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1. A system for improving print quality of a three-dimensional (3D) printer, comprising:

  • a camera configured to capture an image of an object being printed by the 3D printer while the object is being printed; and

    an image processing system comprising;

    a processor; and

    a computer-readable media device embodying computer-executable instructions that, when executed by the processor, implement an image-comparison module configured to perform operations comprising;

    receiving, from the camera while the 3D printer is printing, the image of the object being printed by the 3D printer;

    comparing the image to a benchmark image, the benchmark image being an image that accurately represents the object being printed;

    identifying a difference between an element of the object and an analogous element of the benchmark image;

    determining an operating parameter of the 3D printer related to the difference; and

    sending a control signal to the 3D printer, the control signal effective to adjust the operating parameter of the 3D printer while the 3D printer is printing, the adjustment effective to reduce the difference between the element of the object and the analogous element of the benchmark image.

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