Method of and apparatus for making partially solidified three-dimensional objects on a layer-by-layer basis from a solidifiable medium
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United States of America Patent
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Jan 5, 1999
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N/A
app pub date -
Oct 7, 1996
filing date -
Oct 7, 1996
priority date (Note) -
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Abstract
A method and apparatus for building three-dimensional objects having an internal structure, wherein the structure is discontinuous and is composed from a plurality of patterns and bridging patterns formed on a plurality of levels, wherein a bridging level and pattern reside between previous and subsequent levels from which the bridging pattern obtains at least a portion of its pattern. A portion of the bridging pattern is obtained from the pattern on the previous level and a portion of the bridging pattern is obtained from the pattern on the subsequent level.
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