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A 3D model of a motorized projector lift system, featuring a metal frame with scissor-like lifting mechanism and sleek industrial aesthetic. It has electric lifting functionality and stable structure, suitable for meeting rooms and home theaters.

A 3D model of a reel-to-reel tape recorder, featuring metal reels, a wooden frame, and analog meters, with a retro industrial aesthetic. It has multiple control knobs, brand logos, and is suitable for audio recording/playback and vintage tech displays.

A 3D model of a projection screen, featuring a high-definition display with data visualization and a sleek, modern aesthetic. It has an interactive interface and retractable mechanism, suitable for business presentations and data analysis.

A classic film projector designed with metallic silver details, ideal for retro entertainment rooms or studios, containing 134146 polygons.