Three dimensional modelling apparatus
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United States of America Patent
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Nov 16, 1993
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N/A
app pub date -
Feb 25, 1991
filing date -
Jun 3, 1986
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Abstract
A system responsive to coordinate information for automatically providing a three-dimensional physical model of a desired geometry and comprising apparatus for selectably solidifying a solidifiable material on a sequential layer by layer basis characterized in that following selectable solidification of a given layer, the non-solidified portions thereof are removed and replaced by a removable support material which is not solidifiable under the same conditions as the solidifiable material.
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