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Selective deposition modeling method and apparatus for forming three-dimensional objects and supports

DC
  • US 6,508,971 B2
  • Filed: 08/06/2001
  • Issued: 01/21/2003
  • Est. Priority Date: 09/27/1995
  • Status: Expired due to Term
First Claim
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1. A method of creating a three-dimensional object by depositing a build material on a working surface from a plurality of dispensing orifices in a print head in a rapid prototyping and manufacturing system to form multiple layers of a three-dimensional object, the method comprising the steps of:

  • a) establishing a relative position between the print head and the working surface;

    b) selectively dispensing the build material from the dispensing orifices of the print head while providing relative movement between the print head and working surface in a first scanning direction along a first scan path;

    c) re-positioning the relative position between the print head and the working surface in a second direction angled to the first scanning direction;

    d) selectively dispensing the build material from the dispensing orifices of the print head while providing relative movement between the print head and working surface in the first scanning direction along a second scan path offset from the first scan path; and

    e) repeating steps a)-d) to form the multiple layers of the three-dimensional object until the three-dimensional object is formed.

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