https://community.graphisoft.com/t5/Modeling/how-to-use-C-channel-for-stair-stringer/m-p/151056#M81222 This is one of those times I would use the stair tool to help calculate the rise/thread dimensions and then I would just build the stair from parts and use SEO to clean up the edges. I've done a bunch of these and it can get painful if you fight with AC too much. Especially when it comes to railings. Sun, 20 May 2012 11:55:39 GMT Anonymous 2012-05-20T11:55:39Z https://community.graphisoft.com/t5/Modeling/how-to-use-C-channel-for-stair-stringer/m-p/151054#M81220 <DIV class="actalk-migrated-content"><T>Hello; I have a deck and stair landing that are framed with MC steel channel beams. I would like the stair stringer to match the steel framing, but don't see how. Is it possible to edit the stringers on a stair in this way?</T></DIV><BR /><IMG src="http://community.graphisoft.com/t5/image/serverpage/image-id/71432iFD6DB633DBF67BF0/image-size/large?v=v2&amp;px=999" border="0" alt="stair.png" title="stair.png" /> Thu, 25 May 2023 14:50:04 GMT https://community.graphisoft.com/t5/Modeling/how-to-use-C-channel-for-stair-stringer/m-p/151054#M81220 Dave Brach 2023-05-25T14:50:04Z https://community.graphisoft.com/t5/Modeling/how-to-use-C-channel-for-stair-stringer/m-p/151055#M81221 not without altering the script. In similar situation I've used the stair type with just the treads and added a separate channel beam sloped to match; probably what you have already figured out. Wed, 16 May 2012 02:09:22 GMT https://community.graphisoft.com/t5/Modeling/how-to-use-C-channel-for-stair-stringer/m-p/151055#M81221 Erika Epstein 2012-05-16T02:09:22Z https://community.graphisoft.com/t5/Modeling/how-to-use-C-channel-for-stair-stringer/m-p/151056#M81222 This is one of those times I would use the stair tool to help calculate the rise/thread dimensions and then I would just build the stair from parts and use SEO to clean up the edges. I've done a bunch of these and it can get painful if you fight with AC too much. Especially when it comes to railings. Sun, 20 May 2012 11:55:39 GMT https://community.graphisoft.com/t5/Modeling/how-to-use-C-channel-for-stair-stringer/m-p/151056#M81222 Anonymous 2012-05-20T11:55:39Z