https://community.graphisoft.com/t5/Collaboration-with-other/custom-stair-issue/m-p/241654#M31134 <DIV class="actalk-migrated-content"><T>Hello.<BR /> I am trying to build a custom stair. I made all the settings I want, but I cannot place the stair because I receive the following error : see picture. How can I fix it?<BR /> The much I know, there's no nosing to adjust.<BR /> Thank you.</T></DIV><BR /><IMG src="http://community.graphisoft.com/t5/image/serverpage/image-id/67184i10A9822FD1B57DBF/image-size/large?v=v2&amp;px=999" border="0" alt="stair.jpg" title="stair.jpg" /> Wed, 28 Jan 2015 11:50:29 GMT Anonymous 2015-01-28T11:50:29Z https://community.graphisoft.com/t5/Collaboration-with-other/custom-stair-issue/m-p/241654#M31134 <DIV class="actalk-migrated-content"><T>Hello.<BR /> I am trying to build a custom stair. I made all the settings I want, but I cannot place the stair because I receive the following error : see picture. How can I fix it?<BR /> The much I know, there's no nosing to adjust.<BR /> Thank you.</T></DIV><BR /><IMG src="http://community.graphisoft.com/t5/image/serverpage/image-id/67184i10A9822FD1B57DBF/image-size/large?v=v2&amp;px=999" border="0" alt="stair.jpg" title="stair.jpg" /> Wed, 28 Jan 2015 11:50:29 GMT https://community.graphisoft.com/t5/Collaboration-with-other/custom-stair-issue/m-p/241654#M31134 Anonymous 2015-01-28T11:50:29Z https://community.graphisoft.com/t5/Collaboration-with-other/custom-stair-issue/m-p/241655#M31135 You need to adjust the line of travel in such a way that the treads don't intersect eachother. By either moving it off-center to the left or right. Wed, 28 Jan 2015 12:06:31 GMT https://community.graphisoft.com/t5/Collaboration-with-other/custom-stair-issue/m-p/241655#M31135 Erwin Edel 2015-01-28T12:06:31Z https://community.graphisoft.com/t5/Collaboration-with-other/custom-stair-issue/m-p/241656#M31136 Here is a custom stair I made long ago, the arcs in the line of travel have a larger diameter than the distance between line of travel and the side of stairs.<BR /> <BR /> The line of travel is also off center, otherwise the treads would become very large. This is all stair design basic rules, though. At least in NL (300 mm out of wall, etc etc). Wed, 28 Jan 2015 12:17:19 GMT https://community.graphisoft.com/t5/Collaboration-with-other/custom-stair-issue/m-p/241656#M31136 Erwin Edel 2015-01-28T12:17:19Z https://community.graphisoft.com/t5/Collaboration-with-other/custom-stair-issue/m-p/241657#M31137 Thank you for your help. I put the line of travel 10 cm off center and it finally worked. Wed, 28 Jan 2015 14:11:07 GMT https://community.graphisoft.com/t5/Collaboration-with-other/custom-stair-issue/m-p/241657#M31137 Anonymous 2015-01-28T14:11:07Z