Color switching for three-dimensional printing
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United States of America Patent
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Oct 27, 2015
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N/A
app pub date -
Sep 6, 2013
filing date -
Sep 7, 2012
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Abstract
By reversing the direction of a first build material fed into an extruder, the first build material can be wholly or partially evacuated from the extruder before a second material is introduced. This approach mitigates transition artifacts and permits faster, more complete changes from one build material to another.
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