I need a detailed CAD design for a commercial building that includes office spaces and retail areas. Requirements: - Accurate and scalable CAD drawings - Incorporation of functional and aesthetic design elements - Design should maximize space efficiency and comply with building regulations Ideal Skills and Experience: - Proficiency in CAD software (AutoCAD, Revit, etc.) - Strong background in commercial architectural design - Experience in designing office and retail layouts - Attention to detail and creativity in design solutions Please provide samples of previous commercial projects.