Three dimensional modeling apparatus

  • US 5,386,500 A
  • Filed: 04/13/1992
  • Issued: 01/31/1995
  • Est. Priority Date: 06/02/1987
  • Status: Expired due to Term
First Claim
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1. A three dimensional modeling system comprising:

  • coordinate input apparatus for providing coordinate information with respect to a three-dimensional element to be modeled;

    coordinate responsive output apparatus responsive to said coordinate information by providing a three-dimensional physical model of said three-dimensional element by sequentially solidifying a plurality of layers of a first material and including;

    second material adding apparatus for adding to each layer of said first material, prior to solidification of a subsequent layer of the first material thereover, a second material; and

    second material removing apparatus for removing at least part of said second material subsequent to solidification of at least one subsequent layer of the first material thereover.

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