Materials and methods for freeform fabrication of solid three-dimensional objects using fusible, water-containing support materials
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United States of America Patent
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Aug 14, 2007
Grant Date -
Sep 15, 2005
app pub date -
Mar 10, 2004
filing date -
Mar 10, 2004
priority date (Note) -
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Abstract
Materials and methods for freeform fabrication of a solid three-dimensional object are provided. At least one layer of support material and at least one layer of build material are dispensed onto a substrate. The support material includes at least one of water and a fusible water-containing substance and the build material is a substance other than water or a fusible, water-containing substance. After solidification, the at least one layer of support material is removed by an automated or manual process which includes washing with water at ambient temperature and/or causing the support material to undergo a phase change, to produce the solid three-dimensional object.
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