Detailed duplex project DWG with basement and multi floor layout plans

This duplex project design AutoCAD DWG file provides a complete architectural layout with a fully detailed basement floor plan, ground floor plan, first floor plan, and roof plan. The drawing includes room measurements, staircase placement, circulation design, parking layout, curved central lobby, and furniture arrangements for each level. The basement offers an organized plan with multiple rooms arranged around a circular core, while the ground floor shows a structured residential layout with a lawn, parking spaces, and open zones for free movement. The first floor continues the duplex concept with well-defined room partitions and clear walkway distribution.

This DWG file also includes the elevation drawing that highlights window alignment, door positions, façade lines, and height proportions. The curved staircase, structural grid, and wall thickness are clearly represented for accurate understanding of the building form. The file is ideal for architects, civil engineers, interior designers, builders, and AutoCAD learners who need a complete duplex project model with sectional planning. Each component is layered for easy editing, making it suitable for construction detailing, presentation drafting, and design development. This duplex drawing helps users understand spatial planning in multi-floor residential projects with professional clarity.