User:Marek kleciak/Stairs modelling/demo collection
This page contains examples of complicated stairs and suggestions for their modeling.
Colgne, crescent-shaped staircase Lanxess Area
Rome, The Spanish Steps, seen from Piazza di Spagna
Potsdam Germany, stairs of Sanssouci
Hamburg, Germany, Platz der Deutschen Einheit
Maybe some of these are of interest: