https://community.graphisoft.com/t5/Modeling/Windows-in-profile-wall/m-p/210793#M114345 I think you'll need to split your profile in half and create your structure with two walls! It's because it is one wall that it's trying to put the window through both sides. It seems as thought the opening reference doesn't work if you place it on just one side. Interesting - can't say I've seen that before.<BR /> <BR /> Cheers,<BR /> Link. Tue, 28 Sep 2010 22:50:46 GMT Link 2010-09-28T22:50:46Z https://community.graphisoft.com/t5/Modeling/Windows-in-profile-wall/m-p/210792#M114344 <DIV class="actalk-migrated-content"><T>Hello, I am trying to put a window in a curtain wall, as you can see in the picture. When I put a window, there is a hole on the other side. How this can be fixed?<BR /> regards,<BR /> Petar</T></DIV><BR /><IMG src="http://community.graphisoft.com/t5/image/serverpage/image-id/72544i8E19FE83225B75AB/image-size/large?v=v2&amp;px=999" border="0" alt="Untitled.jpg" title="Untitled.jpg" /> Fri, 26 May 2023 12:35:31 GMT https://community.graphisoft.com/t5/Modeling/Windows-in-profile-wall/m-p/210792#M114344 Anonymous 2023-05-26T12:35:31Z https://community.graphisoft.com/t5/Modeling/Windows-in-profile-wall/m-p/210793#M114345 I think you'll need to split your profile in half and create your structure with two walls! It's because it is one wall that it's trying to put the window through both sides. It seems as thought the opening reference doesn't work if you place it on just one side. Interesting - can't say I've seen that before.<BR /> <BR /> Cheers,<BR /> Link. Tue, 28 Sep 2010 22:50:46 GMT https://community.graphisoft.com/t5/Modeling/Windows-in-profile-wall/m-p/210793#M114345 Link 2010-09-28T22:50:46Z