https://community.graphisoft.com/t5/Installation-update/Strange-bug-on-walls/m-p/32465#M4170 It is a long-standing bug in AC! <BR /> It also appears in exported 3ds files too. Wed, 18 Apr 2007 18:22:07 GMT Anonymous 2007-04-18T18:22:07Z https://community.graphisoft.com/t5/Installation-update/Strange-bug-on-walls/m-p/32464#M4169 <DIV class="actalk-migrated-content"><T>Hi!<BR /> Here is my problem. When i draw round wall then on this wall appears some grayed stuff. And when i generate section then wall line dissapears. <BR /> <BR /> I have added image to this post, that explain everything.</T></DIV><BR /><IMG src="https://community.graphisoft.com/t5/image/serverpage/image-id/7393iFA10EF8C8AE46142/image-size/large?v=v2&amp;px=999" border="0" alt="Error.jpg" title="Error.jpg" /> Wed, 18 Apr 2007 11:35:20 GMT https://community.graphisoft.com/t5/Installation-update/Strange-bug-on-walls/m-p/32464#M4169 Anonymous 2007-04-18T11:35:20Z https://community.graphisoft.com/t5/Installation-update/Strange-bug-on-walls/m-p/32465#M4170 It is a long-standing bug in AC! <BR /> It also appears in exported 3ds files too. Wed, 18 Apr 2007 18:22:07 GMT https://community.graphisoft.com/t5/Installation-update/Strange-bug-on-walls/m-p/32465#M4170 Anonymous 2007-04-18T18:22:07Z https://community.graphisoft.com/t5/Installation-update/Strange-bug-on-walls/m-p/32466#M4171 Hmm, that's very bad <IMG src="https://community.graphisoft.com/legacyfs/online/emojis/icon_sad.gif" style="display : inline;" /> Sat, 21 Apr 2007 11:07:19 GMT https://community.graphisoft.com/t5/Installation-update/Strange-bug-on-walls/m-p/32466#M4171 Anonymous 2007-04-21T11:07:19Z