Semi Circular Staircase CAD Drawing - Free Plan, Section, Elevation

A free semi-circular staircase CAD drawing designed for architects, civil engineers, interior designers, and CAD professionals. This ready-to-use DWG file includes a complete plan, section, and elevation layout with accurate riser and tread dimensions, curved staircase alignment, landing arrangement, and construction detailing.

The drawing is fully editable in AutoCAD, making it easy to adapt for residential, commercial, or institutional projects. Whether you're finalizing a staircase design or need a quick reference for site execution, this file gives you an accurate, print-ready layout you can use immediately.