Boolean layer comparison slice
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United States of America Patent
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Jan 2, 1996
Issued Date -
N/A
app pub date -
Jun 13, 1994
filing date -
Apr 18, 1988
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Abstract
A method of and apparatus for slicing a three-dimensional object representation into a plurality of layer representations is described, wherein the layer representations are subsequently used to form the object layer-by-layer according to the principles of stereolithography. If not already provided in the object representation, a plurality of layer boundary representations are first formed, and then the boolean difference of successive layer boundary representations are computed to derive boundaries of up and down-facing regions, enabling different cure parameters to be specified for these different regions.
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