https://community.graphisoft.com/t5/Modeling/Wall-slanted-Strange-opening-surface-and-wall-end-behavior/m-p/240530#M128186 <DIV class="actalk-migrated-content"><T>It seams that in wall slanted the wall opening surface does not has applied correctly. Also the wall end has a strange behaviour <BR /> In archicad 20, last update</T></DIV><BR /><span class="lia-inline-image-display-wrapper" image-alt="Screen Shot 2016-11-01 at 06.45.38.jpg" style="width: 999px;"><img src="https://community.graphisoft.com/t5/image/serverpage/image-id/13678i3EEF119EDDF8FA23/image-size/large?v=v2&amp;px=999" role="button" title="Screen Shot 2016-11-01 at 06.45.38.jpg" alt="Screen Shot 2016-11-01 at 06.45.38.jpg" /></span> Wed, 24 May 2023 06:36:23 GMT Mario Sacco 2023-05-24T06:36:23Z https://community.graphisoft.com/t5/Modeling/Wall-slanted-Strange-opening-surface-and-wall-end-behavior/m-p/240530#M128186 <DIV class="actalk-migrated-content"><T>It seams that in wall slanted the wall opening surface does not has applied correctly. Also the wall end has a strange behaviour <BR /> In archicad 20, last update</T></DIV><BR /><span class="lia-inline-image-display-wrapper" image-alt="Screen Shot 2016-11-01 at 06.45.38.jpg" style="width: 999px;"><img src="https://community.graphisoft.com/t5/image/serverpage/image-id/13678i3EEF119EDDF8FA23/image-size/large?v=v2&amp;px=999" role="button" title="Screen Shot 2016-11-01 at 06.45.38.jpg" alt="Screen Shot 2016-11-01 at 06.45.38.jpg" /></span> Wed, 24 May 2023 06:36:23 GMT https://community.graphisoft.com/t5/Modeling/Wall-slanted-Strange-opening-surface-and-wall-end-behavior/m-p/240530#M128186 Mario Sacco 2023-05-24T06:36:23Z https://community.graphisoft.com/t5/Modeling/Wall-slanted-Strange-opening-surface-and-wall-end-behavior/m-p/240531#M128187 Yes I am seeing the same with my windows (I don't use the Graphisoft ones although mine are based on very old Graphisoft windows (version 6.5)).<BR /> I have never had the need for slanted walls with windows so have never noticed.<BR /> <BR /> The inside and outside surface materials are swapped.<BR /> The external reveal is the internal surface material and the internal reveal is the external surface material.<BR /> Even my external sill adopts the internal wall surface material.<BR /> <BR /> I am not seeing a problem with the wall ends but that may depend on what they join.<BR /> <BR /> Barry. Tue, 01 Nov 2016 07:05:40 GMT https://community.graphisoft.com/t5/Modeling/Wall-slanted-Strange-opening-surface-and-wall-end-behavior/m-p/240531#M128187 Barry Kelly 2016-11-01T07:05:40Z