I am trying to make 180 degree winder stairs. MAJ Stairs is very helpful in this regard, but since the bottom of the stairs is not smooth, there are light refractions in the renders and it looks bad. I have been using Sketchup for a long time, but I do not know how to do this or which extensions I can use. Do you have any suggestions?
The smoothness I am talking about is not done by selecting lines and choosing smooth and soft.
You can look at the wooden staircase model I posted as an example. This is the look I want to achieve.