https://community.graphisoft.com/t5/Modeling/Trapzium-shaped-stair/m-p/244156#M129729 You need to create a Stair. Then you just need to select and edit its Boundary:<BR /> <BR /> <IFRAME width="640" height="360" src="https://www.youtube.com/embed/IYv7AF4fM2c" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen=""></IFRAME> Fri, 02 Aug 2019 13:20:03 GMT Laszlo Nagy 2019-08-02T13:20:03Z https://community.graphisoft.com/t5/Modeling/Trapzium-shaped-stair/m-p/244155#M129728 <DIV class="actalk-migrated-content"><T>Does anyone know how I would make this stair? At the moment it is just a standard stair on the left, but would like to be like the one on the right in plan (without having to modify each individual tread in the edit environment)</T></DIV> Thu, 25 May 2023 14:40:12 GMT https://community.graphisoft.com/t5/Modeling/Trapzium-shaped-stair/m-p/244155#M129728 Anonymous 2023-05-25T14:40:12Z https://community.graphisoft.com/t5/Modeling/Trapzium-shaped-stair/m-p/244156#M129729 You need to create a Stair. Then you just need to select and edit its Boundary:<BR /> <BR /> <IFRAME width="640" height="360" src="https://www.youtube.com/embed/IYv7AF4fM2c" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen=""></IFRAME> Fri, 02 Aug 2019 13:20:03 GMT https://community.graphisoft.com/t5/Modeling/Trapzium-shaped-stair/m-p/244156#M129729 Laszlo Nagy 2019-08-02T13:20:03Z