Here is an autocad dwg file for Elevations of penthouse with stairway details . there is the plan of the penthouse and some detailed elevations of it . also with the proper stairway details.
Modern House Plan AutoCAD
South direction plan eleva
The left side elevation vi
Residence Bungalow layout
Drawing of the bungalow wi
House Elevations And Secti
Architecture luxury 3bhk b
house facade section
2000 SQ FT House Plans Wit
House Plan With Site Plot
2BHK Bungalow floor plan d
Electrical And Plumbing De