https://community.graphisoft.com/t5/Modeling/Windows-missing-lines-in-elevation/m-p/149193#M80113 I figured it out finally. It turns out I have an a library that was not updated. When I did a check and update the library, it fixed the hidden lines. Fri, 09 Jan 2009 14:45:15 GMT Anonymous 2009-01-09T14:45:15Z https://community.graphisoft.com/t5/Modeling/Windows-missing-lines-in-elevation/m-p/149192#M80112 <DIV class="actalk-migrated-content"><T>I'm looking for some help on my window issues. When the materials are assigned to each component, the windows show up in elevation with some lines missing. But if I check the box that assigns the same material for interior and exterior, all the lines show up properly in elevation. Does any one know why that is ? It must be a setting somewhere that did this and I can't back track far enough to figure it out.</T></DIV><BR /><span class="lia-inline-image-display-wrapper" image-alt="Picture 1.png" style="width: 833px;"><img src="https://community.graphisoft.com/t5/image/serverpage/image-id/12882i1261417DD9778FBD/image-size/large?v=v2&amp;px=999" role="button" title="Picture 1.png" alt="Picture 1.png" /></span> Fri, 26 May 2023 12:43:01 GMT https://community.graphisoft.com/t5/Modeling/Windows-missing-lines-in-elevation/m-p/149192#M80112 Anonymous 2023-05-26T12:43:01Z https://community.graphisoft.com/t5/Modeling/Windows-missing-lines-in-elevation/m-p/149193#M80113 I figured it out finally. It turns out I have an a library that was not updated. When I did a check and update the library, it fixed the hidden lines. Fri, 09 Jan 2009 14:45:15 GMT https://community.graphisoft.com/t5/Modeling/Windows-missing-lines-in-elevation/m-p/149193#M80113 Anonymous 2009-01-09T14:45:15Z