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Three dimensional surface drawing controlled by hand motion

  • US 7,212,197 B1
  • Filed: 02/01/2000
  • Issued: 05/01/2007
  • Est. Priority Date: 02/01/1999
  • Status: Expired due to Fees
First Claim
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1. A method of producing a shape, comprising:

  • using a virtual reality environment in which positions of a user'"'"'s hand are tracked;

    forming a three-dimensional modeled surface by adding shapes defined by hand movements at each of a plurality of intervals; and

    wherein an inside surface of the hand is used to form the modeled surface, by tracking movement of a tangent to the hand, to define a tangent plane of a surface being created.

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