METHOD AND SYSTEM FOR THREE-DIMENSIONAL FABRICATION
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Abstract
A method of three-dimensional fabrication of an object is disclosed. The method comprises: forming a plurality of layers in a configured pattern corresponding to the shape of the three-dimensional object, at least one layer of the plurality of layers being formed at a predetermined and different thickness selected so as to compensate for post-formation shrinkage of the layer along a vertical direction. In various exemplary embodiments of the invention spread of building material of one or more layers is diluted at least locally such as to maintain a predetermined thickness and a predetermined planar resolution for the layer.
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Citations
50 Claims
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1-30. -30. (canceled)
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31. A method of fabricating a three-dimensional object, comprising:
- forming a plurality of layers in a configured pattern corresponding to the shape of the three-dimensional object,
wherein at least one layer of said plurality of layers is formed such that said layer comprises a central diluted region surrounded by a peripheral non-diluted region, and wherein each of said plurality of layers comprises a continuous spread of building material. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40)
- forming a plurality of layers in a configured pattern corresponding to the shape of the three-dimensional object,
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41. A method of fabricating a three-dimensional object, comprising:
- forming a plurality of layers in a configured pattern corresponding to the shape of the three-dimensional object,
wherein a spread of building material is diminished in at least one layer, corresponding to interior regions of the object, said interior regions being characterized by a distance from a closest exterior surface of the object which is above a predetermined threshold distance. - View Dependent Claims (42)
- forming a plurality of layers in a configured pattern corresponding to the shape of the three-dimensional object,
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43. A system for three-dimensional fabrication of an object, comprising:
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a three-dimensional fabrication apparatus, designed and constructed to form a plurality of layers in a configured pattern corresponding to the shape of the three-dimensional object; said three-dimensional fabrication apparatus having a controller designed and constructed to ensure that each of said plurality of layers comprises a continuous spread of material, and at least one layer of said plurality of layers is formed such that said layer comprises a central diluted region surrounded by a peripheral non diluted region. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50)
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Specification