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METHOD FOR PRINTING OF THREE-DIMENSIONAL OBJECTS

  • US 20140175706A1
  • Filed: 01/28/2014
  • Published: 06/26/2014
  • Est. Priority Date: 12/03/2002
  • Status: Active Grant
First Claim
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1. A method for forming three dimensional objects, the method comprising:

  • printing building material, layer by layer, to form a three dimensional object on a printing tray by moving a printing block that comprises a printing head , at least two curing sources and a leveler in forward and reverse passages, wherein printing comprises;

    moving the printing block in a forward passage, wherein a distance between the printing block and the printing tray is such that the leveler does not touch a layer being built;

    adjusting a height position of the printing tray relative to the printing block prior to printing a reverse passage; and

    moving the printing block in the reverse passage, wherein during the reserve passage the leveler touches and levels the layer being built.

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