https://community.graphisoft.com/t5/Modeling/Stairs-that-are-solid-underneath/m-p/155353#M83719 <DIV class="actalk-migrated-content"><T>I am trying to figure a way to model a stair that is completely solid underneath. All of the options seem to be with space underneath the stair. In the attached picture, I've shown the area that I would like filled in. Thanks!</T></DIV> Thu, 25 May 2023 14:48:03 GMT Anonymous 2023-05-25T14:48:03Z https://community.graphisoft.com/t5/Modeling/Stairs-that-are-solid-underneath/m-p/155353#M83719 <DIV class="actalk-migrated-content"><T>I am trying to figure a way to model a stair that is completely solid underneath. All of the options seem to be with space underneath the stair. In the attached picture, I've shown the area that I would like filled in. Thanks!</T></DIV> Thu, 25 May 2023 14:48:03 GMT https://community.graphisoft.com/t5/Modeling/Stairs-that-are-solid-underneath/m-p/155353#M83719 Anonymous 2023-05-25T14:48:03Z https://community.graphisoft.com/t5/Modeling/Stairs-that-are-solid-underneath/m-p/155354#M83720 You won't get the stair objects to do that.<BR /> I think your best option will be to add a slab underneath and then use the stair as a Solid Element Operator and 'subtract with upward extrusion' to remove the top of the slab.<BR /> Barry. Fri, 11 Apr 2014 01:59:18 GMT https://community.graphisoft.com/t5/Modeling/Stairs-that-are-solid-underneath/m-p/155354#M83720 Barry Kelly 2014-04-11T01:59:18Z