Here is an autocad dwg file for Elevations and stairway details of a penthouse . there is the elevatons and the details of the staircase of the penthouse in this autocad file given.
House Building Design DWG
2 BHK Joint House Floor Pl
Multifamily Residence plan
Bungalow Layout cad drawin
Two Flooring Bungalow Desi
30 By 60 Feet House Buildi
Three level luxuries bunga
Residential House Floor An
multi family housing
Three Elevations Of Bungal
Courtyard House Plan DWG F
2 Bedroom House Constructi