Boots – shoes – and leggings
Patent
1990-10-30
1994-06-14
Ruggiero, Joseph
Boots, shoes, and leggings
395119, 395123, 395161, G06F 1546
Patent
active
053216229
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.
REFERENCES:
patent: 4785399 (1988-11-01), Evans et al.
patent: 4938816 (1990-07-01), Beaman et al.
patent: 5031120 (1991-07-01), Pomerantz et al.
patent: 5076869 (1991-12-01), Bourell et al.
Allison Joseph W.
Chen Thomas P.
Cohen Adam L.
Smalley Dennis R.
Snead David E.
3-D Systems, Inc.
Ruggiero Joseph
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