A 3D model of a projector screen, featuring a sleek, wall-mounted design with a high-definition projection surface and metallic frame. It has optimized polygon structure and 4K support, suitable for home theaters, meetings, and presentations.

A 3D model of a Chinese blue and white porcelain vase, featuring crackle glaze, blue floral vine patterns on a white base, and a classical aesthetic. It has low polygon count and high detail, suitable for interior decoration and cultural display.

A 3D model of a projection screen, featuring foldable, retractable design with high-quality fabric and a modern, sleek aesthetic. It has a smooth surface, 16:9 aspect ratio, and is suitable for home theater and business presentations.

A 3D model of an Exit sign, featuring a blue background, white running figure, arrow, "EXIT" text, and Braille symbols, with a high-visibility, minimalist warning aesthetic. It has clean lines, high contrast, and is suitable for emergency exit指示 in commercial/office spaces.