https://forums.autodesk.com/t5/revit-architecture-forum/modeling-spiral-stair-by-sketching/m-p/10909392#M89643 <P>It can be done by sketching two runs within one within the stair so that you don't run into sketch lines overlapping error.</P> Thu, 27 Jan 2022 02:45:38 GMT ToanDN 2022-01-27T02:45:38Z https://forums.autodesk.com/t5/revit-architecture-forum/modeling-spiral-stair-by-sketching/m-p/10909383#M89642 <P>My project has an exterior spiral staircase with a total of 16 risers (finish floor to 9' 6-3/8"), 14 of which are around a central pole in a spiral.&nbsp; The top two risers are straight and there's a short landing that connects with the floor level.&nbsp; See plan below:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="mgmueller_0-1643250837986.png" style="width: 600px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1016887i154BB6BA16FB61DB/image-size/medium?v=v2&amp;px=400" role="button" title="mgmueller_0-1643250837986.png" alt="mgmueller_0-1643250837986.png" /></span></P><P>I have tried to model this with the stair tools that come with Revit, but I don't get the exact result.&nbsp; I have attempted to sketch the stair, following instructions for boundaries, risers, and stair path, but it doesn't work.&nbsp; See my screenshots below.</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Boundaries in green, risers in black." style="width: 777px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1016890iAE0BABF6CAF698F2/image-size/large?v=v2&amp;px=999" role="button" title="Spiral stair sketched Screenshot 2022-01-26 180546.jpg" alt="Boundaries in green, risers in black." /><span class="lia-inline-image-caption" onclick="event.preventDefault();">Boundaries in green, risers in black.</span></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Height to top is correct, but number of risers is -1." style="width: 360px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1016891i45B2DD7B4EC67A38/image-size/large?v=v2&amp;px=999" role="button" title="Spiral stair sketch properties palette Screenshot 2022-01-26 180637.jpg" alt="Height to top is correct, but number of risers is -1." /><span class="lia-inline-image-caption" onclick="event.preventDefault();">Height to top is correct, but number of risers is -1.</span></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Spiral stair error message Screenshot 2022-01-26 180755.jpg" style="width: 464px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1016892iD39BC6D0A34A2D3C/image-size/large?v=v2&amp;px=999" role="button" title="Spiral stair error message Screenshot 2022-01-26 180755.jpg" alt="Spiral stair error message Screenshot 2022-01-26 180755.jpg" /></span></P><P>Is it possible to do what I am trying to do?&nbsp; &nbsp;If so, what am I missing?&nbsp; Any help would be appreciated.</P> Thu, 27 Jan 2022 02:42:25 GMT https://forums.autodesk.com/t5/revit-architecture-forum/modeling-spiral-stair-by-sketching/m-p/10909383#M89642 mgmueller 2022-01-27T02:42:25Z https://forums.autodesk.com/t5/revit-architecture-forum/modeling-spiral-stair-by-sketching/m-p/10909392#M89643 <P>It can be done by sketching two runs within one within the stair so that you don't run into sketch lines overlapping error.</P> Thu, 27 Jan 2022 02:45:38 GMT https://forums.autodesk.com/t5/revit-architecture-forum/modeling-spiral-stair-by-sketching/m-p/10909392#M89643 ToanDN 2022-01-27T02:45:38Z