3D Duplex House Design CAD Drawing with Balcony and Terrace Layout

This 3D Duplex House Design CAD Drawing presents a complete residential building model with modern architectural features and detailed spatial planning. The drawing includes a three-dimensional exterior view showing duplex unit arrangement, balcony projections, terrace layout, staircase positioning, and entrance elevation design. It highlights façade color schemes, railing details, parapet walls, pergola shading elements, and window and door placements. Floor levels, slab alignment, and building massing are clearly illustrated, making this DWG file suitable for contemporary duplex housing development projects. The file also provides precise scale proportions, dimensional references, and structural alignment details for professional use. Wall thickness, floor-to-floor heights, column placement, beam alignment, and service shaft planning are accurately defined for technical clarity. Parking access, ventilation openings, and drainage slope arrangements are also incorporated for functional performance.