https://community.graphisoft.com/t5/Modeling/walls-do-not-intersect-perfectly/m-p/195153#M105929 I think this clarify your problem: Sun, 23 Oct 2011 07:25:14 GMT Anonymous 2011-10-23T07:25:14Z https://community.graphisoft.com/t5/Modeling/walls-do-not-intersect-perfectly/m-p/195152#M105928 <DIV class="actalk-migrated-content"><T>Hi everyone i asked before this question but now i followed the direction of the wall it is still the same problem the line appear even if i switched (or toggled ) between the direction of wall any explanation will be great</T></DIV><BR /><IMG src="http://community.graphisoft.com/t5/image/serverpage/image-id/72318iFCBCFBFCB8564320/image-size/large?v=v2&amp;px=999" border="0" alt="Capture11.JPG" title="Capture11.JPG" /> Wed, 24 May 2023 11:02:54 GMT https://community.graphisoft.com/t5/Modeling/walls-do-not-intersect-perfectly/m-p/195152#M105928 Anonymous 2023-05-24T11:02:54Z https://community.graphisoft.com/t5/Modeling/walls-do-not-intersect-perfectly/m-p/195153#M105929 I think this clarify your problem: Sun, 23 Oct 2011 07:25:14 GMT https://community.graphisoft.com/t5/Modeling/walls-do-not-intersect-perfectly/m-p/195153#M105929 Anonymous 2011-10-23T07:25:14Z https://community.graphisoft.com/t5/Modeling/walls-do-not-intersect-perfectly/m-p/195154#M105930 ahmed:<BR /> <BR /> It works, turn off <FONT color="blue">Walls &amp; Beams Reference Lines</FONT>.<BR /> <BR /> David<BR /><IMG src="https://community.graphisoft.com/t5/image/serverpage/image-id/13124iBFC60C1FE8F91F31/image-size/large?v=v2&amp;px=999" border="0" alt="Wall_Intersections.gif" title="Wall_Intersections.gif" /> Sun, 23 Oct 2011 12:59:34 GMT https://community.graphisoft.com/t5/Modeling/walls-do-not-intersect-perfectly/m-p/195154#M105930 David Maudlin 2011-10-23T12:59:34Z