| 摘要 |
A method of manufacturing a three-dimensional object by selectively solidifying layers of a powdery material (3a) at the locations corresponding to the cross-section of the object (3) in the respective layers by impact of electromagnetic radiation (7a) is provided, wherein a plastic powder, preferably polyamide, is used as powder, wherein the non-solidified powder (3a') is subjected to a treatment by water or water vapour at increased temperatures after manufacturing the object, subsequently dried and thereafter used again to build-up a new object.
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