BUILDING-SPACE CHANGING DEVICE AND AN APPARATUS FOR PRODUCING A THREE-DIMENSIONAL OBJECT WITH A BUILDING-SPACE CHANGING DEVICE

摘要

A building-space changing device for an apparatus for producing a three-dimensional object by making a powdered building material solidify layer by layer at the points in the respective layers that correspond to the object has one or more smaller bases (32) or one or more building-space separating elements (20) on a building platform (2), whereby the apparatus has one or more smaller building areas (22.1, 22.2, 22.3), in which the powder material is used more effectively or different powder materials are processed.