https://community.graphisoft.com/t5/Modeling/Trimming-walls-to-stairs/m-p/210414#M114131 SEO (Solid Element Operation)<BR /> Look under Design<BR /> Select your stair as Operator, your wall as Target.<BR /> Use Subtraction with upward extrusion. Mon, 12 Nov 2012 15:01:46 GMT Anonymous 2012-11-12T15:01:46Z https://community.graphisoft.com/t5/Modeling/Trimming-walls-to-stairs/m-p/210412#M114129 <DIV class="actalk-migrated-content"><R>Hello!<BR /> I would like to know, how is it possible to trim internal walls to stairs height. I took two screenshots of my problem, so it's easier to figure out what I need <IMG src="https://community.graphisoft.com/legacyfs/online/emojis/icon_smile.gif" style="display : inline;" /><BR /> <BR /> thank you for your answers!</R></DIV><BR /><span class="lia-inline-image-display-wrapper" image-alt="stairs2.jpg" style="width: 830px;"><img src="https://community.graphisoft.com/t5/image/serverpage/image-id/13051i50CECA6A4B851813/image-size/large?v=v2&amp;px=999" role="button" title="stairs2.jpg" alt="stairs2.jpg" /></span> Wed, 24 May 2023 10:52:39 GMT https://community.graphisoft.com/t5/Modeling/Trimming-walls-to-stairs/m-p/210412#M114129 Anonymous 2023-05-24T10:52:39Z https://community.graphisoft.com/t5/Modeling/Trimming-walls-to-stairs/m-p/210413#M114130 and a plan-view Mon, 12 Nov 2012 14:26:45 GMT https://community.graphisoft.com/t5/Modeling/Trimming-walls-to-stairs/m-p/210413#M114130 Anonymous 2012-11-12T14:26:45Z https://community.graphisoft.com/t5/Modeling/Trimming-walls-to-stairs/m-p/210414#M114131 SEO (Solid Element Operation)<BR /> Look under Design<BR /> Select your stair as Operator, your wall as Target.<BR /> Use Subtraction with upward extrusion. Mon, 12 Nov 2012 15:01:46 GMT https://community.graphisoft.com/t5/Modeling/Trimming-walls-to-stairs/m-p/210414#M114131 Anonymous 2012-11-12T15:01:46Z