https://community.graphisoft.com/t5/Modeling/Fail-to-do-this-to-my-custom-stair/m-p/131208#M69866 <DIV class="actalk-migrated-content"><T>I am having difficulty to cut wall off my custom stairs using 'Edit Targets and Operators', i tried the standard ones in the archicad library, they works fine but just doesnt work with my custom stair. Anyone knows what i can do?</T></DIV><BR /><span class="lia-inline-image-display-wrapper" image-alt="Capture_07222008_012122.JPG" style="width: 999px;"><img src="https://community.graphisoft.com/t5/image/serverpage/image-id/10458iC528A4092E490349/image-size/large?v=v2&amp;px=999" role="button" title="Capture_07222008_012122.JPG" alt="Capture_07222008_012122.JPG" /></span> Thu, 25 May 2023 14:57:25 GMT Anonymous 2023-05-25T14:57:25Z https://community.graphisoft.com/t5/Modeling/Fail-to-do-this-to-my-custom-stair/m-p/131208#M69866 <DIV class="actalk-migrated-content"><T>I am having difficulty to cut wall off my custom stairs using 'Edit Targets and Operators', i tried the standard ones in the archicad library, they works fine but just doesnt work with my custom stair. Anyone knows what i can do?</T></DIV><BR /><span class="lia-inline-image-display-wrapper" image-alt="Capture_07222008_012122.JPG" style="width: 999px;"><img src="https://community.graphisoft.com/t5/image/serverpage/image-id/10458iC528A4092E490349/image-size/large?v=v2&amp;px=999" role="button" title="Capture_07222008_012122.JPG" alt="Capture_07222008_012122.JPG" /></span> Thu, 25 May 2023 14:57:25 GMT https://community.graphisoft.com/t5/Modeling/Fail-to-do-this-to-my-custom-stair/m-p/131208#M69866 Anonymous 2023-05-25T14:57:25Z https://community.graphisoft.com/t5/Modeling/Fail-to-do-this-to-my-custom-stair/m-p/131209#M69867 Alvin:<BR /> <BR /> Some objects are not solid bodies, and so don't work with SEOs. You may need to use a slab for the operation, then hide the slab's layer.<BR /> <BR /> Thanks for adding the signature.<BR /> <BR /> David Tue, 22 Jul 2008 16:11:38 GMT https://community.graphisoft.com/t5/Modeling/Fail-to-do-this-to-my-custom-stair/m-p/131209#M69867 David Maudlin 2008-07-22T16:11:38Z