soviet apartment block 3d model

A highly detailed low-poly 3D model of a classic Soviet-era 5-storey panel apartment building (Khrushchevka style), prefabricated concrete panel construction, exactly 20,000 polygons maximum. The model must have perfectly flat, clean and even surfaces everywhere — sharp straight edges, perfectly flat walls, flat roof sections, no noise, no bumps, no organic imperfections, perfectly geometric and uniform. Key features: - Exactly 5 floors - Rectangular block-shaped building with flat facade - Typical Soviet panel seams and joints clearly visible but perfectly straight and even - Small rectangular windows with simple frames - Several small balconies (loggias) on the facade - Ground floor entrance with small canopy and stairs - Flat roof with technical access to the roof: a small metal door or hatch with railings and a short ladder/stairs leading onto the roof - Simple technical structures on the roof (ventilation pipes, small elevator machine room block) - Gray-beige concrete color with