纯黑空间中的铬金属虹彩产品雕塑

黑曜石金属、镜面铬和精密网格表面在硬边光下显形，蓝紫与虹彩仅停留在高光。替换商品轮廓，保留完整悬浮构图与纯黑背景，控制亮部勾勒材质。

Nano Banana（数据集未披露具体版本）可从文字起步材质与工艺

纯黑空间中的铬金属虹彩产品雕塑 · 来源效果图 — MeiGen 数据集与此 Prompt 配对保存的 X 作品预览；未在本次重新生成。
图片作者：@lloydcreates。预览经过缩放与 WebP 转码；不是本站重新生成。

完整 Prompt

{
  "image_generation_request": {
    "subject_settings": {
      "product_placeholder": "[INSERT PRODUCT NAME HERE]",
      "positioning": "absolute center, floating, levitating, suspended in mid-air",
      "framing": "full view, no cropping, product must be entirely within frame, generous padding around edges"
    },
    "environment_and_background": {
      "background_color": "#000000",
      "background_type": "pure void, infinite black depth",
      "elements_to_exclude": [
        "lighting boxes",
        "softboxes",
        "stands",
        "pedestals",
        "platforms",
        "text",
        "watermarks",
        "props",
        "surface reflections",
        "studio equipment"
      ]
    },
    "texture_and_material_blending": {
      "primary_finish": "anodized obsidian metal with microscopic grit",
      "secondary_finish": "high-gloss fluid chrome",
      "accent_texture": "Mac Pro inspired precision-machined hemispherical lattice, 3D lattice venting pattern",
      "optical_effects": "monatomic light dispersion, prismatic diffraction on edges, ethereal holographic sheen"
    },
    "lighting_and_color_palette": {
      "key_colors": [
        { "name": "Pure Black", "hex": "#000000" },
        { "name": "Electric Indigo", "hex": "#4B0082" },
        { "name": "Phthalo Blue", "hex": "#000F89" },
        { "name": "Spectral Iridescence", "description": "Thin-film interference rainbow highlights" }
      ],
      "lighting_style": "hard rim lighting, chiaroscuro, high contrast, sharp specular highlights, no ambient fill"
    },
    "negative_constraints": {
      "strict_exclusion": "out of frame, cut off product, blurry edges, tripod, light stand, floor, table, shadows on floor, light flare icons, glowing boxes, copyright text, logo, cluttered background, grey tones, messy geometry"
    },
    "technical_specs": {
      "style": "Hyper-realistic 3D render",
      "engine_hints": "Octane Render, Raytraced, 8k, Unreal Engine 5, Cinematic Lighting"
    }
  }
}