https://community.graphisoft.com/t5/Modeling/Trapeziod-window-can-not-show-serial-connection-reason/m-p/64745#M32703 The word is "Ganging". Load the INT library and you'll find it. <BR /> Bug or not, I guess the feature has to be enabled in the library part. And this one doesn't have it. Fri, 19 Oct 2007 09:53:04 GMT Thomas Holm 2007-10-19T09:53:04Z https://community.graphisoft.com/t5/Modeling/Trapeziod-window-can-not-show-serial-connection-reason/m-p/64743#M32701 <DIV class="actalk-migrated-content"><T>Hi,<BR /> I don't know the right word in english but I've red-marked the setting in the attached image of the settings dialogue for a normal window. The trapeziod window doesn't have this 2D representation for windows connected in series. Bug or feature?<BR /> Cheers,<BR /> Mats</T></DIV><BR /><IMG src="http://community.graphisoft.com/t5/image/serverpage/image-id/67405i069187A688957E61/image-size/large?v=v2&amp;px=999" border="0" alt="window series.jpg" title="window series.jpg" /> Fri, 26 May 2023 12:53:12 GMT https://community.graphisoft.com/t5/Modeling/Trapeziod-window-can-not-show-serial-connection-reason/m-p/64743#M32701 Mats_Knutsson 2023-05-26T12:53:12Z https://community.graphisoft.com/t5/Modeling/Trapeziod-window-can-not-show-serial-connection-reason/m-p/64744#M32702 explanatory image...<BR /><IMG src="https://community.graphisoft.com/t5/image/serverpage/image-id/6236i4E573DC8092498D0/image-size/large?v=v2&amp;px=999" border="0" alt="windows-series.jpg" title="windows-series.jpg" /> Fri, 19 Oct 2007 08:40:46 GMT https://community.graphisoft.com/t5/Modeling/Trapeziod-window-can-not-show-serial-connection-reason/m-p/64744#M32702 Mats_Knutsson 2007-10-19T08:40:46Z https://community.graphisoft.com/t5/Modeling/Trapeziod-window-can-not-show-serial-connection-reason/m-p/64745#M32703 The word is "Ganging". Load the INT library and you'll find it. <BR /> Bug or not, I guess the feature has to be enabled in the library part. And this one doesn't have it. Fri, 19 Oct 2007 09:53:04 GMT https://community.graphisoft.com/t5/Modeling/Trapeziod-window-can-not-show-serial-connection-reason/m-p/64745#M32703 Thomas Holm 2007-10-19T09:53:04Z https://community.graphisoft.com/t5/Modeling/Trapeziod-window-can-not-show-serial-connection-reason/m-p/64746#M32704 In AC 11 the ganging works if there's another window to gang up with. There's is no ganging alone. I guess it's the way it should be... Fri, 19 Oct 2007 14:42:31 GMT https://community.graphisoft.com/t5/Modeling/Trapeziod-window-can-not-show-serial-connection-reason/m-p/64746#M32704 Mats_Knutsson 2007-10-19T14:42:31Z