Hey, so I working on the projects that my lectures gave me, modeling a house using Revit, but I'm quite stuck when I'm working on the winder stair, the sketch always fails, I'm looking for some guide on the internet but no one works, I dont know what the problem because I'm completely new with Revit but I think because that last rises (21) its little bit overlap with the sketch of the stairs in ground level (See attachment 1) and I'm not using any railing stairs instead im gonna covered left and right side with a wall, please help me with this it's already the third-day im trying to finish it but I can't.
The riser heigh is 200 mm
The tread is 270 mm
Width is 920 mm
And ground level to the first level is 4000 mm
Thanks, and sorry for my bad English
