产品图 目标：ChatGPT 生成 image-2
产品图：便携投影仪
便携投影仪 3D：方形机身 + 光锥投出影像 + 卧室背景，把影院装进口袋。
提示词全文（英文）
Elegant 3D product visualization of a compact portable projector, a square anodized-aluminum body with a round lens at the front, the lens emitting a volumetric light cone projecting a glowing cinematic image onto a cream wall, floating dust particles in the beam, positioned on a bedside table with a plant and warm LED strip backdrop, cozy dark room ambience with the projection as the main light, crisp detail on the lens rings and heat vents, premium minimal hardware design, octane render, intimate home-cinema mood, high resolution, 8k
生成同款： 复制上方提示词 → 打开 ChatGPT → 粘贴并发送（可切换生图模型）→ 等待生成。
详细图文步骤见 新手教程
#投影仪#家庭影院#3D
