A two-story residential renovation plan featuring new kitchen and bathroom installations. The 3D model includes detailed plumbing fixtures, cabinetry, and countertop layouts with emphasis on the bathroom renovation (featuring bathtub, shower head, WC, and bathroom cabinet) and kitchen remodel (with new countertops and appliances). The drawing distinguishes between existing construction and new additions through dedicated layers, with separate floor plans for upstairs and downstairs. Interior wall modifications are clearly delineated, with precise placement of doors and fixtures. The model utilizes 3D solids (94 instances) and regions (40 instances) to accurately represent spatial relationships between components, with specific attention to plumbing integration. Dated December 30, 2022, the design incorporates standard residential dimensions in imperial units (inches).