{
  "schema_version": "hardware-structure/v2",
  "unit": "mm",
  "product_id": "creative-077",
  "title": "077 笔式绘图机器人结构概念评审",
  "revision": "codex-geometry-c6",
  "updated_at": "2026-09-19",
  "coordinate_system": "X=产品宽度，Y=上下，Z=前后；原点位于产品主体外包络中心",
  "case_metadata": {
    "case_id": 77,
    "domain": "音乐与创意",
    "name": "笔式绘图机器人",
    "user_value": "把 SVG、手写或生成式图案画到纸张、卡片和墙面。",
    "discovery_platform": "Kickstarter",
    "source_grade": "C",
    "source_url": "https://www.kickstarter.com/discover/advanced?term=drawing%20robot%20plotter",
    "mvp_path": "XY/CoreXY 平台；GRBL 控制；网页上传 SVG；笔压用小舵机，先做 A4 尺寸。",
    "components": "步进电机、导轨、控制板、舵机、限位",
    "software_stack": "GRBL、SVG 转 G-code、WebSerial",
    "github_project": "GRBL",
    "github_url": "https://github.com/gnea/grbl",
    "match_level": "直接",
    "bom_estimate_cny": 920,
    "difficulty": 4,
    "novelty": 4,
    "demand": 4,
    "reuse": 5,
    "risk": 4,
    "differentiation": "结合生成式图案、本地字体与可换工具头。",
    "safety_boundary": "运动夹点；墙面版本需防坠落。",
    "recommendation_score": 65,
    "structural_archetype": "plotter",
    "prototype_family": "robot-drone",
    "prototype_label_zh": "机器人、无人机与运动机构",
    "prototype_label_en": "Robot, drone and motion mechanism",
    "prototype_version": "creative-host-assembly/v1",
    "migration_role": "prototype_migrated",
    "assembly_topology": [
      "运动工作区",
      "结构框架",
      "驱动与传动",
      "控制与安全边界"
    ],
    "dimension_authority": "design_proposed_and_pending_verification",
    "structure_evidence": [
      {
        "id": "workbook-source-077",
        "url": "https://www.kickstarter.com/discover/advanced?term=drawing%20robot%20plotter",
        "kind": "discovery_source",
        "claim": "工作簿记录的创意发现来源；只证明市场灵感，不证明机械尺寸。",
        "application": "idea_provenance_only"
      }
    ],
    "evidence_maturity": "workbook_discovery_only",
    "recognition_parts": [
      "XY绘图龙门",
      "笔夹Z轴",
      "步进电机×2",
      "纸张平台",
      "控制盒"
    ],
    "geometry_authority": "concept_photo_primary",
    "geometry_generation_method": "codex_agent_closed_loop",
    "geometry_iteration": 6,
    "geometry_fingerprint": "sha256:b10b322aec6c0eb322492f5ab4967aff9e08c667ab05cdce6d0aff20ad24aad8",
    "structure_quality_revision": "structure-visual-r5",
    "structure_quality_remediation": {
      "revision": "structure-visual-r5",
      "remediated_at": "2026-09-19",
      "previous_geometry_revision": "codex-geometry-c5",
      "geometry_revision": "codex-geometry-c6",
      "trigger": "independent_blind_concept_review",
      "prior_visual_status": "rework_required",
      "reason": "脱离标题的独立概念盲审未能通过轮廓、宿主关系和关键功能件可靠辨认产品类别。",
      "before": [
        "脱离标题后，原默认视图未能让盲审者通过轮廓、宿主关系和关键功能件可靠辨认产品类别。"
      ],
      "before_metrics": {
        "parts": 10,
        "openings": 0,
        "assemblies": 3,
        "assembly_steps": 3
      },
      "after": [
        "按真实使用姿态重建主体轮廓、宿主关系、关键功能件和功能路径。",
        "默认等轴测仅表达概念结构；尺寸、隐藏结构和制造可行性继续等待盲评与工程师审核。"
      ],
      "after_metrics": {
        "parts": 14,
        "openings": 1,
        "assemblies": 4,
        "assembly_steps": 3
      },
      "truth_boundary": "本次只完成结构概念重做；独立盲评、物理验证、工程师审核和工程放行均未完成。"
    }
  },
  "envelope": {
    "external": {
      "width": 520,
      "depth": 420,
      "height": 250,
      "center": [
        0,
        95,
        0
      ]
    },
    "internal": {
      "width": 490,
      "depth": 390,
      "height": 220,
      "center": [
        0,
        95,
        0
      ]
    },
    "wall_thickness": 3
  },
  "openings": [
    {
      "id": "pen-clearance",
      "label": "绘图笔工作孔",
      "center": [
        45,
        116,
        -72
      ],
      "axis": [
        0,
        0,
        1
      ],
      "width": 22,
      "height": 70,
      "alignment_tolerance_mm": 1.0,
      "source_status": "design_proposed",
      "truth_boundary": "概念开孔位置；尺寸、公差、圆角与紧固方式必须由工程师根据实物板卡复核。"
    }
  ],
  "prototype_instance": {
    "schema_version": "creative-host-assembly/v1",
    "prototype_family": "robot-drone",
    "prototype_label_zh": "机器人、无人机与运动机构",
    "prototype_label_en": "Robot, drone and motion mechanism",
    "host_strategy": "bench",
    "shell_strategy": "motion_platform",
    "assembly_topology": [
      "运动工作区",
      "结构框架",
      "驱动与传动",
      "控制与安全边界"
    ],
    "migration_role": "prototype_migrated"
  },
  "assemblies": [
    {
      "id": "host",
      "label": "桌面宿主",
      "part_ids": [
        "host-desk"
      ]
    },
    {
      "id": "bed",
      "label": "绘图底座与纸张",
      "part_ids": [
        "codex-body",
        "paper-platform",
        "paper-sheet"
      ]
    },
    {
      "id": "motion",
      "label": "XY 龙门与笔夹 Z 轴",
      "part_ids": [
        "gantry-left",
        "gantry-right",
        "xy-gantry",
        "x-carriage",
        "pen-z-axis",
        "drawing-pen",
        "stepper-x",
        "stepper-y"
      ]
    },
    {
      "id": "control",
      "label": "控制盒",
      "part_ids": [
        "control-box",
        "plotter-pcba"
      ]
    }
  ],
  "parts": [
    {
      "id": "host-desk",
      "label": "桌面工作区",
      "group": "host",
      "type": "box",
      "dimensions": {
        "width": 720,
        "depth": 600,
        "height": 10
      },
      "position": [
        0,
        -30,
        0
      ],
      "rotation_deg": [
        0,
        0,
        0
      ],
      "explode_vector": [
        0,
        0,
        1
      ],
      "material": "工作桌面",
      "quantity": 1,
      "source_status": "pending_verification",
      "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
      "appearance": {
        "color": "#7a7165",
        "opacity": 0.16,
        "roughness": 0.5,
        "metalness": 0.05
      },
      "color": "#7a7165",
      "photo_derived": true,
      "photo_component_id": "host-context",
      "source_target_id": "host-context",
      "source_part_ids": [
        "host-desk"
      ],
      "photo_visible": true,
      "camera_fit": false
    },
    {
      "id": "codex-body",
      "label": "绘图机器人底座",
      "group": "shell",
      "type": "rounded_box",
      "dimensions": {
        "width": 480,
        "depth": 380,
        "height": 28,
        "corner_radius": 14
      },
      "position": [
        0,
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        0
      ],
      "rotation_deg": [
        0,
        0,
        0
      ],
      "explode_vector": [
        0,
        0,
        1
      ],
      "material": "铝型材与工程塑料底座",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
      "appearance": {
        "color": "#35454a",
        "opacity": 1.0,
        "roughness": 0.54,
        "metalness": 0.25
      },
      "color": "#35454a",
      "photo_derived": true,
      "photo_component_id": "product-silhouette",
      "source_target_id": "product-silhouette",
      "source_part_ids": [
        "codex-body"
      ],
      "photo_visible": true,
      "photo_bbox": [
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      ],
      "photo_polygon": [
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        ],
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        ],
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        ],
        [
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        ]
      ]
    },
    {
      "id": "paper-platform",
      "label": "纸张平台",
      "group": "shell",
      "type": "rounded_box",
      "dimensions": {
        "width": 410,
        "depth": 300,
        "height": 8,
        "corner_radius": 3
      },
      "position": [
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      ],
      "rotation_deg": [
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      ],
      "explode_vector": [
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      ],
      "material": "白色磁吸绘图板",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
      "appearance": {
        "color": "#f2f0e8",
        "opacity": 1.0,
        "roughness": 0.82,
        "metalness": 0.05
      },
      "color": "#f2f0e8",
      "recognition_role": true,
      "evidence_ids": [
        "workbook-source-077"
      ],
      "photo_derived": true,
      "photo_component_id": "recognition-04",
      "source_target_id": "recognition-04",
      "source_part_ids": [
        "paper-platform"
      ],
      "photo_visible": true,
      "photo_bbox": [
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      ],
      "photo_polygon": [
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        ],
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        ],
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        ],
        [
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        ]
      ]
    },
    {
      "id": "paper-sheet",
      "label": "A4 绘图纸",
      "group": "interface",
      "type": "rounded_box",
      "dimensions": {
        "width": 297,
        "depth": 210,
        "height": 2,
        "corner_radius": 1
      },
      "position": [
        28,
        28,
        10
      ],
      "rotation_deg": [
        0,
        0,
        0
      ],
      "explode_vector": [
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        0,
        1
      ],
      "material": "白色绘图纸",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
      "appearance": {
        "color": "#ffffff",
        "opacity": 1.0,
        "roughness": 0.96,
        "metalness": 0.05
      },
      "color": "#ffffff"
    },
    {
      "id": "gantry-left",
      "label": "左龙门立柱",
      "group": "bracket",
      "type": "box",
      "dimensions": {
        "width": 28,
        "depth": 42,
        "height": 190
      },
      "position": [
        -212,
        112,
        -115
      ],
      "rotation_deg": [
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        0,
        0
      ],
      "explode_vector": [
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      ],
      "material": "铝型材",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
      "appearance": {
        "color": "#6f7d80",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.55
      },
      "color": "#6f7d80"
    },
    {
      "id": "gantry-right",
      "label": "右龙门立柱",
      "group": "bracket",
      "type": "box",
      "dimensions": {
        "width": 28,
        "depth": 42,
        "height": 190
      },
      "position": [
        212,
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        -115
      ],
      "rotation_deg": [
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        0
      ],
      "explode_vector": [
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      ],
      "material": "铝型材",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
      "appearance": {
        "color": "#6f7d80",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.55
      },
      "color": "#6f7d80"
    },
    {
      "id": "xy-gantry",
      "label": "XY绘图龙门",
      "group": "bracket",
      "type": "box",
      "dimensions": {
        "width": 452,
        "depth": 34,
        "height": 32
      },
      "position": [
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      ],
      "rotation_deg": [
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      ],
      "explode_vector": [
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      ],
      "material": "X 轴铝型材横梁",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
      "appearance": {
        "color": "#748286",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.58
      },
      "color": "#748286",
      "recognition_role": true,
      "evidence_ids": [
        "workbook-source-077"
      ],
      "photo_derived": true,
      "photo_component_id": "recognition-01",
      "source_target_id": "recognition-01",
      "source_part_ids": [
        "xy-gantry"
      ],
      "photo_visible": true,
      "photo_bbox": [
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      ],
      "photo_polygon": [
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        ],
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        ],
        [
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        ],
        [
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        ]
      ]
    },
    {
      "id": "x-carriage",
      "label": "X 轴滑座",
      "group": "bracket",
      "type": "rounded_box",
      "dimensions": {
        "width": 58,
        "depth": 44,
        "height": 72,
        "corner_radius": 8
      },
      "position": [
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        -94
      ],
      "rotation_deg": [
        0,
        0,
        0
      ],
      "explode_vector": [
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        1
      ],
      "material": "工程塑料滑座",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
      "appearance": {
        "color": "#2c3a3f",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.05
      },
      "color": "#2c3a3f"
    },
    {
      "id": "pen-z-axis",
      "label": "笔夹Z轴",
      "group": "bracket",
      "type": "rounded_box",
      "dimensions": {
        "width": 42,
        "depth": 38,
        "height": 96,
        "corner_radius": 7
      },
      "position": [
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      ],
      "rotation_deg": [
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        0,
        0
      ],
      "explode_vector": [
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      ],
      "material": "Z 轴笔夹滑台",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
      "appearance": {
        "color": "#e08a4f",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.05
      },
      "color": "#e08a4f",
      "recognition_role": true,
      "evidence_ids": [
        "workbook-source-077"
      ],
      "photo_derived": true,
      "photo_component_id": "recognition-02",
      "source_target_id": "recognition-02",
      "source_part_ids": [
        "pen-z-axis"
      ],
      "photo_visible": true,
      "photo_bbox": [
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        659,
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      ],
      "photo_polygon": [
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        ],
        [
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        ],
        [
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        ],
        [
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        ]
      ]
    },
    {
      "id": "drawing-pen",
      "label": "绘图笔",
      "group": "interface",
      "type": "cylinder",
      "dimensions": {
        "diameter": 12,
        "length": 132
      },
      "position": [
        45,
        86,
        -50
      ],
      "rotation_deg": [
        0,
        0,
        0
      ],
      "explode_vector": [
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      ],
      "material": "绘图笔",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
      "appearance": {
        "color": "#2874a6",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.05
      },
      "color": "#2874a6"
    },
    {
      "id": "stepper-x",
      "label": "步进电机",
      "group": "sensor",
      "type": "rounded_box",
      "dimensions": {
        "width": 48,
        "depth": 48,
        "height": 48,
        "corner_radius": 4
      },
      "position": [
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      ],
      "rotation_deg": [
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      ],
      "explode_vector": [
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      ],
      "material": "NEMA 步进电机",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
      "appearance": {
        "color": "#222a2d",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.36
      },
      "color": "#222a2d",
      "recognition_role": true,
      "evidence_ids": [
        "workbook-source-077"
      ],
      "photo_derived": true,
      "photo_component_id": "recognition-03",
      "source_target_id": "recognition-03",
      "source_part_ids": [
        "stepper-x"
      ],
      "photo_visible": true,
      "photo_bbox": [
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      ],
      "photo_polygon": [
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        ],
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        ],
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        ]
      ]
    },
    {
      "id": "stepper-y",
      "label": "步进电机 2",
      "group": "sensor",
      "type": "rounded_box",
      "dimensions": {
        "width": 48,
        "depth": 48,
        "height": 48,
        "corner_radius": 4
      },
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      ],
      "rotation_deg": [
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      ],
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      ],
      "material": "NEMA 步进电机",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
      "appearance": {
        "color": "#222a2d",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.36
      },
      "color": "#222a2d",
      "recognition_role": true,
      "evidence_ids": [
        "workbook-source-077"
      ],
      "photo_derived": true,
      "photo_component_id": "recognition-03",
      "source_target_id": "recognition-03",
      "source_part_ids": [
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      ],
      "photo_visible": true,
      "photo_bbox": [
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      ],
      "photo_polygon": [
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        ],
        [
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        ],
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        ]
      ]
    },
    {
      "id": "control-box",
      "label": "控制盒",
      "group": "shell",
      "type": "rounded_box",
      "dimensions": {
        "width": 104,
        "depth": 84,
        "height": 48,
        "corner_radius": 10
      },
      "position": [
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        162
      ],
      "rotation_deg": [
        0,
        0,
        0
      ],
      "explode_vector": [
        0,
        0,
        1
      ],
      "material": "控制器外壳",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
      "appearance": {
        "color": "#efb64f",
        "opacity": 1.0,
        "roughness": 0.65,
        "metalness": 0.05
      },
      "color": "#efb64f",
      "recognition_role": true,
      "evidence_ids": [
        "workbook-source-077"
      ],
      "photo_derived": true,
      "photo_component_id": "recognition-05",
      "source_target_id": "recognition-05",
      "source_part_ids": [
        "control-box"
      ],
      "photo_visible": true,
      "photo_bbox": [
        71,
        540,
        195,
        789
      ],
      "photo_polygon": [
        [
          71,
          540
        ],
        [
          195,
          540
        ],
        [
          195,
          789
        ],
        [
          71,
          789
        ]
      ]
    },
    {
      "id": "plotter-pcba",
      "label": "运动控制 PCBA",
      "group": "pcb",
      "type": "box",
      "dimensions": {
        "width": 76,
        "depth": 52,
        "height": 2
      },
      "position": [
        -172,
        44,
        162
      ],
      "rotation_deg": [
        0,
        0,
        0
      ],
      "explode_vector": [
        0,
        0,
        1
      ],
      "material": "FR-4",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
      "appearance": {
        "color": "#207a52",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.05
      },
      "color": "#207a52",
      "inside_envelope": true
    }
  ],
  "patterns": [],
  "relations": [
    {
      "id": "plotter-on-desk",
      "type": "installed_on",
      "part_ids": [
        "codex-body",
        "host-desk"
      ],
      "description": "绘图底座平放于桌面形成工作区。"
    },
    {
      "id": "gantry-over-paper",
      "type": "spans_over",
      "part_ids": [
        "xy-gantry",
        "paper-platform"
      ],
      "description": "横梁跨越绘图纸形成清晰 XY 工作区。"
    },
    {
      "id": "pen-on-carriage",
      "type": "slides_on",
      "part_ids": [
        "pen-z-axis",
        "x-carriage",
        "xy-gantry"
      ],
      "description": "笔夹随 X 轴滑座移动并沿 Z 轴抬笔。"
    }
  ],
  "interfaces": [
    {
      "id": "drawing-tool",
      "label": "可换绘图笔",
      "part_ids": [
        "drawing-pen",
        "pen-z-axis"
      ]
    },
    {
      "id": "paper-bed",
      "label": "纸张定位台",
      "part_ids": [
        "paper-platform",
        "paper-sheet"
      ]
    }
  ],
  "cables": [],
  "assembly_steps": [
    {
      "id": "step-01",
      "sequence": 1,
      "label": "安装绘图底板和纸张平台",
      "part_ids": [
        "codex-body",
        "paper-platform",
        "paper-sheet"
      ],
      "direction": [
        0,
        -1,
        0
      ],
      "status": "design_proposed"
    },
    {
      "id": "step-02",
      "sequence": 2,
      "label": "竖立龙门并安装双电机",
      "part_ids": [
        "gantry-left",
        "gantry-right",
        "xy-gantry",
        "stepper-x",
        "stepper-y"
      ],
      "direction": [
        0,
        -1,
        0
      ],
      "status": "design_proposed"
    },
    {
      "id": "step-03",
      "sequence": 3,
      "label": "安装滑座、笔夹、绘图笔和控制盒",
      "part_ids": [
        "x-carriage",
        "pen-z-axis",
        "drawing-pen",
        "control-box",
        "plotter-pcba"
      ],
      "direction": [
        0,
        0,
        1
      ],
      "status": "pending_verification"
    }
  ],
  "validation_rules": [
    {
      "id": "codex-photo-form",
      "type": "photo_form_identity",
      "minimum_score": 85,
      "severity": "error"
    },
    {
      "id": "recognition-parts",
      "type": "photo_component_coverage",
      "minimum_count": 5,
      "severity": "error"
    },
    {
      "id": "assembly-legibility",
      "type": "assembly_relationship_legibility",
      "minimum_score": 85,
      "severity": "error"
    },
    {
      "id": "geometry-uniqueness",
      "type": "cross_case_geometry_uniqueness",
      "minimum_score": 85,
      "severity": "error"
    }
  ],
  "dimension_sources": [
    {
      "id": "concept-photo-form",
      "status": "design_proposed",
      "scope": "可见轮廓、宿主、安装点、零件数量和相对位置",
      "reference": "/hardware-structure/photos/creative-077-photo-v1.jpg"
    },
    {
      "id": "codex-c-loop-geometry",
      "status": "design_proposed",
      "scope": "照片驱动参数几何、内部装配、工作路径和浏览器评审视图",
      "reference": "Codex Agent -> code -> render -> visual review -> patch, iteration 4"
    },
    {
      "id": "hidden-dimensions",
      "status": "pending_verification",
      "scope": "照片不可见的深度、背面、壁厚、紧固、密封、公差和真实材料",
      "reference": "Requires multi-view images, supplier drawings or physical measurement"
    }
  ],
  "visual_assets": [
    {
      "id": "product-concept-photo",
      "type": "ai_generated_concept_photo",
      "url": "/hardware-structure/photos/creative-077-photo-v1.jpg",
      "source_status": "ai_generated_concept",
      "revision": "photo-v1",
      "truth_boundary": {
        "zh": "AI 生成的产品概念照片，用于表达外观与使用场景，不是量产实物摄影。",
        "en": "AI-generated product concept image for form and use context; not a photograph of a manufactured unit."
      }
    },
    {
      "id": "structure-thumbnail",
      "type": "structure_preview",
      "url": "/hardware-structure/thumbnails/creative-077.svg"
    }
  ],
  "photo_structure_contract": {
    "schema_version": "creative-photo-structure-contract/v1",
    "photo_revision": "photo-v1",
    "structure_revision": "codex-geometry-c6",
    "prototype_family": "robot-drone",
    "migration_role": "prototype_migrated",
    "host": "桌面操作基准",
    "installation": "产品通过安装件与桌面操作基准建立可检查的空间关系",
    "scale_reference": "桌面操作基准",
    "visual_cues": [
      "XY绘图龙门",
      "笔夹Z轴",
      "步进电机×2",
      "纸张平台",
      "控制盒"
    ],
    "expected_recognition_parts": [
      "XY绘图龙门",
      "笔夹Z轴",
      "步进电机×2",
      "纸张平台",
      "控制盒"
    ],
    "pixel_review_status": "photo_geometry_rebuilt_pending_review",
    "truth_boundary": "结构契约验证照片和参数模型共享同一组可识别部件；非像素级 CAD 重建。",
    "quality_status": "reworked_pending_blind_visual_review"
  },
  "assumptions": [
    "轮廓、宿主关系与关键功能件用于概念辨识，仍需新一轮独立盲评。",
    "全部毫米尺寸、材料、固定、密封、电气安全、公差和维护空间均为设计建议，待工程师和实物复核。",
    "本次重做不构成实物测试、制造可行性或工程放行证据。"
  ],
  "engineering_boundary": "该网页结构以 /hardware-structure/photos/creative-077-photo-v1.jpg 的 AI 概念图为外观输入，由 Codex Agent 重建可检查的参数几何。它只用于产品形态、宿主安装、内部包络和方案评审；所有毫米尺寸仍为设计建议或待复核值，不是正式 CAD、STEP、Gerber、模具、认证或量产放行文件。",
  "photo_reconstruction": {
    "schema_version": "creative-photo-reconstruction/v1",
    "product_id": "creative-077",
    "case_id": 77,
    "photo_revision": "photo-v1",
    "structure_input_revision": "codex-geometry-c6",
    "generated_at": "2026-09-03",
    "photo": {
      "url": "/hardware-structure/photos/creative-077-photo-v1.jpg",
      "width_px": 960,
      "height_px": 600,
      "sha256": "b73bd37ed74af890e7c5c86a8b655787ec3cd35b0d5a80f65620004a5e971164",
      "coordinate_system": "normalized image space 0..1000; origin top-left"
    },
    "targets": [
      {
        "id": "host-context",
        "label": "桌面操作基准",
        "role": "host",
        "part_ids": [
          "host-desk"
        ],
        "instruction": "Tight box around the physical host or use surface that establishes installation and scale.",
        "bound_part_ids": [
          "host-desk"
        ]
      },
      {
        "id": "recognition-01",
        "label": "XY绘图龙门",
        "role": "host",
        "part_ids": [
          "xy-gantry"
        ],
        "instruction": "Tight box and polygon around this visible photo-defining part or repeated group.",
        "bound_part_ids": [
          "xy-gantry"
        ]
      },
      {
        "id": "recognition-02",
        "label": "笔夹Z轴",
        "role": "mount",
        "part_ids": [
          "pen-z-axis"
        ],
        "instruction": "Tight box and polygon around this visible photo-defining part or repeated group.",
        "bound_part_ids": [
          "pen-z-axis"
        ]
      },
      {
        "id": "recognition-03",
        "label": "步进电机×2",
        "role": "visible_part",
        "part_ids": [
          "stepper-x",
          "stepper-y"
        ],
        "instruction": "Tight box and polygon around this visible photo-defining part or repeated group.",
        "bound_part_ids": [
          "stepper-x",
          "stepper-y"
        ]
      },
      {
        "id": "recognition-04",
        "label": "纸张平台",
        "role": "mount",
        "part_ids": [
          "paper-platform"
        ],
        "instruction": "Tight box and polygon around this visible photo-defining part or repeated group.",
        "bound_part_ids": [
          "paper-platform"
        ]
      },
      {
        "id": "recognition-05",
        "label": "控制盒",
        "role": "visible_part",
        "part_ids": [
          "control-box"
        ],
        "instruction": "Tight box and polygon around this visible photo-defining part or repeated group.",
        "bound_part_ids": [
          "control-box"
        ]
      },
      {
        "id": "product-silhouette",
        "label": "产品主体整体轮廓",
        "role": "product_shell",
        "part_ids": [
          "codex-body"
        ],
        "instruction": "Trace the complete visible product silhouette, excluding the host and background.",
        "bound_part_ids": [
          "codex-body"
        ]
      }
    ],
    "regions": [
      {
        "target_id": "host-context",
        "role": "host",
        "bbox": [
          0,
          0,
          1000,
          1000
        ],
        "polygon": [
          [
            0,
            0
          ],
          [
            1000,
            0
          ],
          [
            1000,
            1000
          ],
          [
            0,
            1000
          ]
        ],
        "visible": true,
        "confidence": 1.0,
        "shape_hint": "box",
        "visual_description": "木质桌面操作基准，带有木纹纹理，承载绘图机器人并提供尺度参考"
      },
      {
        "target_id": "recognition-01",
        "role": "host",
        "bbox": [
          102,
          127,
          867,
          688
        ],
        "polygon": [
          [
            102,
            127
          ],
          [
            867,
            127
          ],
          [
            867,
            688
          ],
          [
            102,
            688
          ]
        ],
        "visible": true,
        "confidence": 1.0,
        "shape_hint": "box",
        "visual_description": "XY绘图龙门结构，包含X轴横梁、Y轴导轨及跨接的桥架，黑色金属框架，顶部带有线缆拖链弧形跨越"
      },
      {
        "target_id": "recognition-02",
        "role": "mount",
        "bbox": [
          573,
          276,
          659,
          637
        ],
        "polygon": [
          [
            573,
            276
          ],
          [
            659,
            276
          ],
          [
            659,
            637
          ],
          [
            573,
            637
          ]
        ],
        "visible": true,
        "confidence": 1.0,
        "shape_hint": "box",
        "visual_description": "笔夹Z轴滑块组件，垂直安装于X轴横梁，下端夹持绘图笔，可上下移动调节笔压"
      },
      {
        "target_id": "recognition-03",
        "role": "visible_part",
        "bbox": [
          107,
          308,
          267,
          544
        ],
        "polygon": [
          [
            107,
            308
          ],
          [
            267,
            308
          ],
          [
            267,
            544
          ],
          [
            107,
            544
          ]
        ],
        "visible": true,
        "confidence": 1.0,
        "shape_hint": "box",
        "visual_description": "左侧步进电机，安装于Y轴导轨端部，黑色方形电机壳体"
      },
      {
        "target_id": "recognition-04",
        "role": "mount",
        "bbox": [
          71,
          396,
          974,
          968
        ],
        "polygon": [
          [
            71,
            396
          ],
          [
            974,
            396
          ],
          [
            974,
            968
          ],
          [
            71,
            968
          ]
        ],
        "visible": true,
        "confidence": 1.0,
        "shape_hint": "box",
        "visual_description": "纸张平台，黑色矩形底板，表面放置白色绘图纸，四角带有纸张固定柱"
      },
      {
        "target_id": "recognition-05",
        "role": "visible_part",
        "bbox": [
          71,
          540,
          195,
          789
        ],
        "polygon": [
          [
            71,
            540
          ],
          [
            195,
            540
          ],
          [
            195,
            789
          ],
          [
            71,
            789
          ]
        ],
        "visible": true,
        "confidence": 1.0,
        "shape_hint": "box",
        "visual_description": "控制盒，位于左侧Y轴导轨底部，黑色长方体外壳，侧面可见电源接口及连接线缆"
      },
      {
        "target_id": "product-silhouette",
        "role": "product_shell",
        "visible": true,
        "bbox": [
          71,
          127,
          974,
          968
        ],
        "polygon": [
          [
            71,
            127
          ],
          [
            974,
            127
          ],
          [
            974,
            968
          ],
          [
            71,
            968
          ]
        ],
        "confidence": 0.9,
        "shape_hint": "mesh_required",
        "visual_description": "笔式绘图机器人整体轮廓，包含龙门结构、Z轴笔夹、双步进电机、纸张平台及控制盒"
      }
    ],
    "product_silhouette": {
      "bbox": [
        71,
        127,
        974,
        968
      ],
      "polygon": [
        [
          71,
          127
        ],
        [
          974,
          127
        ],
        [
          974,
          968
        ],
        [
          71,
          968
        ]
      ],
      "description": "笔式绘图机器人整体轮廓，包含龙门结构、Z轴笔夹、双步进电机、纸张平台及控制盒"
    },
    "mounting_points": [
      {
        "label": "左侧Y轴导轨底座",
        "point": [
          0,
          0
        ],
        "host_target_id": "host-context",
        "product_target_id": "recognition-01",
        "confidence": 1.0
      },
      {
        "label": "右侧Y轴导轨底座",
        "point": [
          0,
          0
        ],
        "host_target_id": "host-context",
        "product_target_id": "recognition-01",
        "confidence": 1.0
      },
      {
        "label": "纸张平台底面",
        "point": [
          0,
          0
        ],
        "host_target_id": "host-context",
        "product_target_id": "recognition-04",
        "confidence": 1.0
      }
    ],
    "connections": [
      {
        "from_target_id": "recognition-01",
        "to_target_id": "recognition-02",
        "type": "routes_to",
        "description": "X轴横梁为Z轴笔夹提供水平滑动导向"
      },
      {
        "from_target_id": "recognition-01",
        "to_target_id": "recognition-03",
        "type": "attached_to",
        "description": "步进电机驱动Y轴导轨实现龙门Y向移动"
      },
      {
        "from_target_id": "recognition-02",
        "to_target_id": "recognition-04",
        "type": "routes_to",
        "description": "Z轴笔夹垂直运动指向纸张平台绘图面"
      },
      {
        "from_target_id": "recognition-05",
        "to_target_id": "recognition-01",
        "type": "contained_by",
        "description": "控制盒安装于左侧Y轴导轨底部，电气连接至电机"
      }
    ],
    "camera": {
      "view": "isometric",
      "yaw_deg": 25,
      "pitch_deg": 35,
      "roll_deg": 0,
      "fov_deg": 45,
      "framing_bbox": [
        0,
        0,
        1000,
        1000
      ]
    },
    "geometry_plan": {
      "strategy": "parameterized",
      "rationale": "重建失败案例的产品轮廓、真实宿主关系和可见关键功能件；隐藏结构与毫米尺寸保持待验证。",
      "bindings": [
        {
          "target_id": "host-context",
          "asset_mode": "parameterized",
          "depth_order": 0,
          "orientation": "assembly_specific",
          "confidence": 0.78
        },
        {
          "target_id": "recognition-01",
          "asset_mode": "parameterized",
          "depth_order": 1,
          "orientation": "assembly_specific",
          "confidence": 0.78
        },
        {
          "target_id": "recognition-02",
          "asset_mode": "parameterized",
          "depth_order": 2,
          "orientation": "assembly_specific",
          "confidence": 0.78
        },
        {
          "target_id": "recognition-03",
          "asset_mode": "parameterized",
          "depth_order": 3,
          "orientation": "assembly_specific",
          "confidence": 0.78
        },
        {
          "target_id": "recognition-04",
          "asset_mode": "parameterized",
          "depth_order": 4,
          "orientation": "assembly_specific",
          "confidence": 0.78
        },
        {
          "target_id": "recognition-05",
          "asset_mode": "parameterized",
          "depth_order": 5,
          "orientation": "assembly_specific",
          "confidence": 0.78
        },
        {
          "target_id": "product-silhouette",
          "asset_mode": "parameterized",
          "depth_order": 6,
          "orientation": "assembly_specific",
          "confidence": 0.78
        }
      ]
    },
    "uncertainties": [],
    "provenance": {
      "mode": "kimi_vlm",
      "provider": "kimi",
      "model": "kimi-k2.6",
      "operation": "photo-reconstruction.annotate",
      "prompt_template_version": "photo-reconstruction-v1",
      "calls": [
        {
          "provider": "kimi",
          "model_version": "kimi-k2.6",
          "operation": "photo-reconstruction.annotate",
          "prompt_template_version": "photo-reconstruction-v1",
          "request_hash": "40ced25c44a0ce108858c67656afb4af3da8b259ccbb7cd36c82083f062294e8",
          "latency_ms": 41364,
          "status": "completed",
          "prompt_tokens": 1458,
          "completion_tokens": 1443,
          "total_tokens": 2901,
          "cached_tokens": 181,
          "error_code": "",
          "error_message": "",
          "fallback_used": false
        }
      ]
    },
    "truth_boundary": {
      "zh": "照片校准层用于验证轮廓、宿主、安装和可见零件；工程零件尺寸、间隙及制造结论仍由原结构层和正式图纸控制。",
      "en": "The photo-calibrated layer checks silhouette, host, installation and visible parts; engineering dimensions, clearances and manufacturing conclusions remain controlled by the engineering layer and released drawings."
    },
    "geometry_proxy_parts": [
      {
        "id": "photo-proxy-host-desk",
        "source_target_id": "host-context",
        "source_part_ids": [
          "host-desk"
        ],
        "label": "桌面工作区",
        "group": "host",
        "type": "box",
        "dimensions": {
          "width": 720,
          "depth": 600,
          "height": 10
        },
        "position": [
          0,
          -30,
          0
        ],
        "rotation_deg": [
          0,
          0,
          0
        ],
        "material": "工作桌面",
        "source_status": "pending_verification",
        "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
        "bbox": [],
        "polygon": [],
        "confidence": 0.85,
        "asset_requirement": "parameterized_concept_geometry",
        "camera_fit": false,
        "appearance": {
          "color": "#7a7165",
          "opacity": 0.16,
          "roughness": 0.5,
          "metalness": 0.05
        },
        "color": "#7a7165"
      },
      {
        "id": "photo-proxy-codex-body",
        "source_target_id": "product-silhouette",
        "source_part_ids": [
          "codex-body"
        ],
        "label": "绘图机器人底座",
        "group": "shell",
        "type": "rounded_box",
        "dimensions": {
          "width": 480,
          "depth": 380,
          "height": 28,
          "corner_radius": 14
        },
        "position": [
          0,
          0,
          0
        ],
        "rotation_deg": [
          0,
          0,
          0
        ],
        "material": "铝型材与工程塑料底座",
        "source_status": "design_proposed",
        "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
        "bbox": [
          71,
          127,
          974,
          968
        ],
        "polygon": [
          [
            71,
            127
          ],
          [
            974,
            127
          ],
          [
            974,
            968
          ],
          [
            71,
            968
          ]
        ],
        "confidence": 0.85,
        "asset_requirement": "parameterized_concept_geometry",
        "camera_fit": true,
        "appearance": {
          "color": "#35454a",
          "opacity": 1.0,
          "roughness": 0.54,
          "metalness": 0.25
        },
        "color": "#35454a"
      },
      {
        "id": "photo-proxy-paper-platform",
        "source_target_id": "recognition-04",
        "source_part_ids": [
          "paper-platform"
        ],
        "label": "纸张平台",
        "group": "shell",
        "type": "rounded_box",
        "dimensions": {
          "width": 410,
          "depth": 300,
          "height": 8,
          "corner_radius": 3
        },
        "position": [
          20,
          22,
          8
        ],
        "rotation_deg": [
          0,
          0,
          0
        ],
        "material": "白色磁吸绘图板",
        "source_status": "design_proposed",
        "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
        "bbox": [
          71,
          396,
          974,
          968
        ],
        "polygon": [
          [
            71,
            396
          ],
          [
            974,
            396
          ],
          [
            974,
            968
          ],
          [
            71,
            968
          ]
        ],
        "confidence": 0.85,
        "asset_requirement": "parameterized_concept_geometry",
        "camera_fit": true,
        "appearance": {
          "color": "#f2f0e8",
          "opacity": 1.0,
          "roughness": 0.82,
          "metalness": 0.05
        },
        "color": "#f2f0e8"
      },
      {
        "id": "photo-proxy-xy-gantry",
        "source_target_id": "recognition-01",
        "source_part_ids": [
          "xy-gantry"
        ],
        "label": "XY绘图龙门",
        "group": "bracket",
        "type": "box",
        "dimensions": {
          "width": 452,
          "depth": 34,
          "height": 32
        },
        "position": [
          0,
          190,
          -115
        ],
        "rotation_deg": [
          0,
          0,
          0
        ],
        "material": "X 轴铝型材横梁",
        "source_status": "design_proposed",
        "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
        "bbox": [
          102,
          127,
          867,
          688
        ],
        "polygon": [
          [
            102,
            127
          ],
          [
            867,
            127
          ],
          [
            867,
            688
          ],
          [
            102,
            688
          ]
        ],
        "confidence": 0.85,
        "asset_requirement": "parameterized_concept_geometry",
        "camera_fit": true,
        "appearance": {
          "color": "#748286",
          "opacity": 1.0,
          "roughness": 0.5,
          "metalness": 0.58
        },
        "color": "#748286"
      },
      {
        "id": "photo-proxy-pen-z-axis",
        "source_target_id": "recognition-02",
        "source_part_ids": [
          "pen-z-axis"
        ],
        "label": "笔夹Z轴",
        "group": "bracket",
        "type": "rounded_box",
        "dimensions": {
          "width": 42,
          "depth": 38,
          "height": 96,
          "corner_radius": 7
        },
        "position": [
          45,
          126,
          -72
        ],
        "rotation_deg": [
          0,
          0,
          0
        ],
        "material": "Z 轴笔夹滑台",
        "source_status": "design_proposed",
        "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
        "bbox": [
          573,
          276,
          659,
          637
        ],
        "polygon": [
          [
            573,
            276
          ],
          [
            659,
            276
          ],
          [
            659,
            637
          ],
          [
            573,
            637
          ]
        ],
        "confidence": 0.85,
        "asset_requirement": "parameterized_concept_geometry",
        "camera_fit": true,
        "appearance": {
          "color": "#e08a4f",
          "opacity": 1.0,
          "roughness": 0.5,
          "metalness": 0.05
        },
        "color": "#e08a4f"
      },
      {
        "id": "photo-proxy-stepper-x",
        "source_target_id": "recognition-03",
        "source_part_ids": [
          "stepper-x"
        ],
        "label": "步进电机",
        "group": "sensor",
        "type": "rounded_box",
        "dimensions": {
          "width": 48,
          "depth": 48,
          "height": 48,
          "corner_radius": 4
        },
        "position": [
          -236,
          178,
          -115
        ],
        "rotation_deg": [
          0,
          0,
          0
        ],
        "material": "NEMA 步进电机",
        "source_status": "design_proposed",
        "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
        "bbox": [
          129,
          325,
          245,
          409
        ],
        "polygon": [
          [
            129,
            325
          ],
          [
            245,
            325
          ],
          [
            245,
            409
          ],
          [
            129,
            409
          ]
        ],
        "confidence": 0.85,
        "asset_requirement": "parameterized_concept_geometry",
        "camera_fit": true,
        "appearance": {
          "color": "#222a2d",
          "opacity": 1.0,
          "roughness": 0.5,
          "metalness": 0.36
        },
        "color": "#222a2d"
      },
      {
        "id": "photo-proxy-stepper-y",
        "source_target_id": "recognition-03",
        "source_part_ids": [
          "stepper-y"
        ],
        "label": "步进电机 2",
        "group": "sensor",
        "type": "rounded_box",
        "dimensions": {
          "width": 48,
          "depth": 48,
          "height": 48,
          "corner_radius": 4
        },
        "position": [
          -226,
          26,
          148
        ],
        "rotation_deg": [
          0,
          0,
          0
        ],
        "material": "NEMA 步进电机",
        "source_status": "design_proposed",
        "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
        "bbox": [
          129,
          325,
          245,
          409
        ],
        "polygon": [
          [
            129,
            325
          ],
          [
            245,
            325
          ],
          [
            245,
            409
          ],
          [
            129,
            409
          ]
        ],
        "confidence": 0.85,
        "asset_requirement": "parameterized_concept_geometry",
        "camera_fit": true,
        "appearance": {
          "color": "#222a2d",
          "opacity": 1.0,
          "roughness": 0.5,
          "metalness": 0.36
        },
        "color": "#222a2d"
      },
      {
        "id": "photo-proxy-control-box",
        "source_target_id": "recognition-05",
        "source_part_ids": [
          "control-box"
        ],
        "label": "控制盒",
        "group": "shell",
        "type": "rounded_box",
        "dimensions": {
          "width": 104,
          "depth": 84,
          "height": 48,
          "corner_radius": 10
        },
        "position": [
          -172,
          44,
          162
        ],
        "rotation_deg": [
          0,
          0,
          0
        ],
        "material": "控制器外壳",
        "source_status": "design_proposed",
        "source_reference": "creative-077 concept-image interpretation rebuilt for silhouette and use-context recognition; all millimetre values, hidden geometry, materials, fasteners and manufacturing feasibility remain design proposals pending physical and engineering review",
        "bbox": [
          71,
          540,
          195,
          789
        ],
        "polygon": [
          [
            71,
            540
          ],
          [
            195,
            540
          ],
          [
            195,
            789
          ],
          [
            71,
            789
          ]
        ],
        "confidence": 0.85,
        "asset_requirement": "parameterized_concept_geometry",
        "camera_fit": true,
        "appearance": {
          "color": "#efb64f",
          "opacity": 1.0,
          "roughness": 0.65,
          "metalness": 0.05
        },
        "color": "#efb64f"
      }
    ],
    "engineering_geometry_revision": "codex-geometry-c6",
    "geometry_fingerprint": "sha256:b10b322aec6c0eb322492f5ab4967aff9e08c667ab05cdce6d0aff20ad24aad8",
    "visual_review": {
      "status": "pending_review",
      "score": null,
      "geometry_fingerprint": "sha256:b10b322aec6c0eb322492f5ab4967aff9e08c667ab05cdce6d0aff20ad24aad8",
      "updated_at": "2026-09-19",
      "reason": "Geometry changed during deterministic structure-quality remediation and requires fresh visual review."
    }
  },
  "presentation": {
    "default_view": "iso",
    "iso_view_deg": [
      38,
      25
    ],
    "dimensions_visible_by_default": false,
    "hidden_groups_by_default": [
      "fov"
    ],
    "shell_opacity": 0.88,
    "photo_mode_available": true
  },
  "codex_geometry_refinement": {
    "schema_version": "codex-geometry-refinement/v1",
    "mode": "codex_agent_closed_loop",
    "source_photo_revision": "photo-v1",
    "iteration": 4,
    "status": "render_pending_visual_review",
    "scope": [
      "photo-specific-form",
      "host-and-installation",
      "key-parts",
      "internal-assembly",
      "work-path"
    ],
    "pipeline": [
      "generate_code",
      "render_screenshot",
      "visual_review",
      "patch_code"
    ],
    "truth_boundary": {
      "zh": "结构由单张 AI 概念图反向生成；可见比例受照片约束，隐藏结构和工程尺寸仍需图纸或实物确认。",
      "en": "Geometry is generated from one AI concept image. Visible proportions are image-constrained; hidden construction and engineering dimensions still require drawings or physical verification."
    },
    "quality_status": "reworked_pending_blind_visual_review"
  },
  "photo_derived_structure": {
    "schema_version": "creative-photo-derived-structure/v1",
    "product_id": "creative-077",
    "case_id": 77,
    "photo_revision": "photo-v1",
    "generated_at": "2026-09-03",
    "photo": {
      "url": "/hardware-structure/photos/creative-077-photo-v1.jpg",
      "width_px": 960,
      "height_px": 600,
      "sha256": "b73bd37ed74af890e7c5c86a8b655787ec3cd35b0d5a80f65620004a5e971164",
      "coordinate_system": "normalized image space 0..1000; origin top-left"
    },
    "product": {
      "bbox": [
        71,
        127,
        974,
        968
      ],
      "polygon": [
        [
          71,
          127
        ],
        [
          974,
          127
        ],
        [
          974,
          968
        ],
        [
          71,
          968
        ]
      ],
      "estimated_dimensions_mm": {
        "width": 420.0,
        "depth": 350.0,
        "height": 120.0
      },
      "dimension_basis": "桌面操作基准; front review plane preserves the concept-photo silhouette ratio while the original engineering envelope remains unchanged",
      "form_summary": "笔式绘图机器人整体轮廓，包含龙门结构、Z轴笔夹、双步进电机、纸张平台及控制盒"
    },
    "components": [
      {
        "id": "host-context",
        "label_zh": "桌面操作基准",
        "label_en": "桌面操作基准",
        "role": "host",
        "bbox": [
          0,
          0,
          1000,
          1000
        ],
        "polygon": [
          [
            0,
            0
          ],
          [
            1000,
            0
          ],
          [
            1000,
            1000
          ],
          [
            0,
            1000
          ]
        ],
        "confidence": 1.0,
        "material_guess": "木质桌面操作基准，带有木纹纹理，承载绘图机器人并提供尺度参考"
      },
      {
        "id": "recognition-01",
        "label_zh": "XY绘图龙门",
        "label_en": "XY绘图龙门",
        "role": "host",
        "bbox": [
          102,
          127,
          867,
          688
        ],
        "polygon": [
          [
            102,
            127
          ],
          [
            867,
            127
          ],
          [
            867,
            688
          ],
          [
            102,
            688
          ]
        ],
        "confidence": 1.0,
        "material_guess": "XY绘图龙门结构，包含X轴横梁、Y轴导轨及跨接的桥架，黑色金属框架，顶部带有线缆拖链弧形跨越"
      },
      {
        "id": "recognition-02",
        "label_zh": "笔夹Z轴",
        "label_en": "笔夹Z轴",
        "role": "mount",
        "bbox": [
          573,
          276,
          659,
          637
        ],
        "polygon": [
          [
            573,
            276
          ],
          [
            659,
            276
          ],
          [
            659,
            637
          ],
          [
            573,
            637
          ]
        ],
        "confidence": 1.0,
        "material_guess": "笔夹Z轴滑块组件，垂直安装于X轴横梁，下端夹持绘图笔，可上下移动调节笔压"
      },
      {
        "id": "recognition-03",
        "label_zh": "步进电机×2",
        "label_en": "步进电机×2",
        "role": "visible_part",
        "bbox": [
          107,
          308,
          267,
          544
        ],
        "polygon": [
          [
            107,
            308
          ],
          [
            267,
            308
          ],
          [
            267,
            544
          ],
          [
            107,
            544
          ]
        ],
        "confidence": 1.0,
        "material_guess": "左侧步进电机，安装于Y轴导轨端部，黑色方形电机壳体"
      },
      {
        "id": "recognition-04",
        "label_zh": "纸张平台",
        "label_en": "纸张平台",
        "role": "mount",
        "bbox": [
          71,
          396,
          974,
          968
        ],
        "polygon": [
          [
            71,
            396
          ],
          [
            974,
            396
          ],
          [
            974,
            968
          ],
          [
            71,
            968
          ]
        ],
        "confidence": 1.0,
        "material_guess": "纸张平台，黑色矩形底板，表面放置白色绘图纸，四角带有纸张固定柱"
      },
      {
        "id": "recognition-05",
        "label_zh": "控制盒",
        "label_en": "控制盒",
        "role": "visible_part",
        "bbox": [
          71,
          540,
          195,
          789
        ],
        "polygon": [
          [
            71,
            540
          ],
          [
            195,
            540
          ],
          [
            195,
            789
          ],
          [
            71,
            789
          ]
        ],
        "confidence": 1.0,
        "material_guess": "控制盒，位于左侧Y轴导轨底部，黑色长方体外壳，侧面可见电源接口及连接线缆"
      },
      {
        "id": "product-silhouette",
        "label_zh": "产品主体整体轮廓",
        "label_en": "产品主体整体轮廓",
        "role": "product_shell",
        "bbox": [
          71,
          127,
          974,
          968
        ],
        "polygon": [
          [
            71,
            127
          ],
          [
            974,
            127
          ],
          [
            974,
            968
          ],
          [
            71,
            968
          ]
        ],
        "confidence": 0.9,
        "material_guess": "笔式绘图机器人整体轮廓，包含龙门结构、Z轴笔夹、双步进电机、纸张平台及控制盒"
      }
    ],
    "relations": [
      {
        "from_target_id": "recognition-01",
        "to_target_id": "recognition-02",
        "type": "routes_to",
        "description": "X轴横梁为Z轴笔夹提供水平滑动导向"
      },
      {
        "from_target_id": "recognition-01",
        "to_target_id": "recognition-03",
        "type": "attached_to",
        "description": "步进电机驱动Y轴导轨实现龙门Y向移动"
      },
      {
        "from_target_id": "recognition-02",
        "to_target_id": "recognition-04",
        "type": "routes_to",
        "description": "Z轴笔夹垂直运动指向纸张平台绘图面"
      },
      {
        "from_target_id": "recognition-05",
        "to_target_id": "recognition-01",
        "type": "contained_by",
        "description": "控制盒安装于左侧Y轴导轨底部，电气连接至电机"
      }
    ],
    "camera": {
      "view": "isometric",
      "yaw_deg": 25,
      "pitch_deg": 35,
      "roll_deg": 0,
      "fov_deg": 45,
      "framing_bbox": [
        0,
        0,
        1000,
        1000
      ]
    },
    "uncertainties": [],
    "provenance": {
      "mode": "codex_agent_closed_loop",
      "operation": "concept-photo-to-parametric-geometry",
      "iteration": 4
    }
  }
}