render a realistic 3d floor plan of a luxurious rooftop penthouse from a top down perspective the view should clearly show all rooms furniture and finishes with accurate proportions and realistic material shading use high quality materials matte wood flooring calacatta marble surfaces and warm lighting accents to convey a sense of sophistication and depth surrounding context should include the adjacent existing buildings on the left and right sides shown as clean minimal white massing blocks to represent their presence without detail the penthouse itself should stand out with realistic shadows subtle reflections and natural daylight illumination to enhance architectural realism and contrast against the simplified white blocks of neighboring structures