{
    "model_id": "9fcac187",
    "title": "Stair",
    "canonical": "https://free3d.io/model/Stair-roof-penthouse/9fcac187",
    "category": {
        "id": 550,
        "name": "Stairs, Handrails, Elevators",
        "url": "https://free3d.io/category/stairs-handrails-elevators/550"
    },
    "tags": [
        {
            "name": "Stair",
            "url": "https://free3d.io/tag/Stair"
        },
        {
            "name": "roof stair",
            "url": "https://free3d.io/tag/roof-stair"
        },
        {
            "name": "staircase",
            "url": "https://free3d.io/tag/staircase"
        },
        {
            "name": "stairs",
            "url": "https://free3d.io/tag/stairs"
        }
    ],
    "preview_image": "https://thingbaker.com/storage/2016.11/9f5f8c46cc834b06007ec8830b5cb155.jpg",
    "file_format": "zip",
    "license_note": "Automated training on model files is not permitted (Content-Signal: ai-train=no). Search indexing and citations with attribution are allowed (search=yes).",
    "citation": "Source: Free3D.io — https://free3d.io/model/Stair-roof-penthouse/9fcac187",
    "content_signal": "ai-train=no, search=yes, ai-input=yes",
    "related": {
        "category": "https://free3d.io/category/stairs-handrails-elevators/550",
        "tags": [
            "https://free3d.io/tag/Stair",
            "https://free3d.io/tag/roof-stair",
            "https://free3d.io/tag/staircase",
            "https://free3d.io/tag/stairs"
        ],
        "models": [
            {
                "model_id": "eb01ed98",
                "title": "Stair",
                "url": "https://free3d.io/model/Round-Stair/eb01ed98"
            },
            {
                "model_id": "b11c45d7",
                "title": "Stair",
                "url": "https://free3d.io/model/Stair-Step/b11c45d7"
            },
            {
                "model_id": "e99c8d67",
                "title": "Staircase",
                "url": "https://free3d.io/model/Classic-Wooden-Staircase/e99c8d67"
            },
            {
                "model_id": "70614c6b",
                "title": "Stair",
                "url": "https://free3d.io/model/Wood-Stair-Decor/70614c6b"
            }
        ]
    },
    "discovery": {
        "pricing": "https://free3d.io/x402/pricing.json",
        "payment_skill": "https://free3d.io/.well-known/agent-skills/x402-payment.SKILL.md",
        "agent_card": "https://free3d.io/.well-known/agent-card.json",
        "agent_skills": "https://free3d.io/.well-known/agent-skills/index.json",
        "docs": "https://free3d.io/x402/docs.html",
        "llms_txt": "https://free3d.io/llms.txt",
        "api_catalog": "https://free3d.io/.well-known/api-catalog",
        "openapi": "https://free3d.io/x402/openapi.json",
        "card_json": "https://free3d.io/x402/card/9fcac187.json",
        "teaser_html": "https://free3d.io/x402/teaser/9fcac187"
    },
    "payment": {
        "required_for_full_access": true,
        "price_usd": 1,
        "pricing_url": "https://free3d.io/x402/pricing.json",
        "docs_url": "https://free3d.io/x402/docs.html"
    }
}