Details on “Building Parts …"
Information on the Building Parts section.
In this area, you control the selection of building parts that are created in the Building Parts dialog.
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By creating building parts, you can define multiple areas of a building to which you can assign, for example, storeys with different storey heights or floor structures. By selecting a building section, you control which storeys are available in the Storeys ... area. The assignment of storeys to building parts is carried out in the Storeys dialog.
Building Parts ...
Opens the Building Parts dialog, where you can create and edit building parts.