| 摘要 |
The invention relates to methods and apparatus for removing finished articles from a powder-based rapid prototyping system. In particular, the invention relates to extracting a printed article from a powder bed in a build chamber of a three-dimensional printer by using a mechanism adapted for displacing the article by at least one of pushing the article at least partially out of the powder bed, pulling the article at least partially out of the powder bed, or changing a boundary of the build chamber to move at least a portion of the unbound powder away from the article.
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