Three dimensional modelling apparatus
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United States of America Patent
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-
Jul 9, 1991
Grant Date -
N/A
app pub date -
Dec 22, 1988
filing date -
Dec 23, 1987
priority date (Note) -
Expired
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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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