https://community.graphisoft.com/t5/Project-data-BIM/calculation-of-curtain-walls-area-in-zone-s-stamp/m-p/227476#M4715 The zones can target curtain walls with "Linked 3D Element" property (into general property)<BR /> The curtain wall area can be found but I don't find the way to do this<BR /> Probably with a personnal property by an expression (I've seen you work with AC22) ? Mon, 27 May 2019 19:44:52 GMT Christophe Fortineau 2019-05-27T19:44:52Z https://community.graphisoft.com/t5/Project-data-BIM/calculation-of-curtain-walls-area-in-zone-s-stamp/m-p/227475#M4714 <DIV class="actalk-migrated-content"><T>Hello,<BR /> does anybody know if/how could we show in the stamp of a zone (see attachment) the area of the a curtain wall which is in contact with the zone, exactly what we do with the windows (apart from the solution that we can design at the same place a simple opening)?<BR /> <BR /> Thanks in advance</T></DIV> Fri, 19 May 2023 21:56:49 GMT https://community.graphisoft.com/t5/Project-data-BIM/calculation-of-curtain-walls-area-in-zone-s-stamp/m-p/227475#M4714 Anonymous 2023-05-19T21:56:49Z https://community.graphisoft.com/t5/Project-data-BIM/calculation-of-curtain-walls-area-in-zone-s-stamp/m-p/227476#M4715 The zones can target curtain walls with "Linked 3D Element" property (into general property)<BR /> The curtain wall area can be found but I don't find the way to do this<BR /> Probably with a personnal property by an expression (I've seen you work with AC22) ? Mon, 27 May 2019 19:44:52 GMT https://community.graphisoft.com/t5/Project-data-BIM/calculation-of-curtain-walls-area-in-zone-s-stamp/m-p/227476#M4715 Christophe Fortineau 2019-05-27T19:44:52Z