{
    "id": "dock-cargo-crane-ccd97f",
    "title": "Dock Cargo Crane",
    "class": "building",
    "triangles": 1412,
    "kit": "pirate-cove-2ebea4",
    "free": false,
    "plan": "pro",
    "price_usd": null,
    "price_note": "not sold separately: included in Pro, or in the one-time Founders plan. price_usd is retired and stays null for paid assets \u2014 read `plan`.",
    "owned": false,
    "page": "https://polyfork.dev/asset/dock-cargo-crane-ccd97f",
    "thumbnail": "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/hero.png",
    "preview_glb": "https://polyfork.dev/cdn/dock-cargo-crane-ccd97f-preview.glb",
    "preview_triangles": 1412,
    "preview_fidelity": 1,
    "preview_note": "Full triangle count, and the rig comes with it: the pivots keep their names so this animates in the store. What the preview does NOT carry is the .mjs program \u2014 the knobs \u2014 and its normals are stripped for flat shading. On a rigged asset the upgrade is the program, not the mesh.",
    "has_rig": true,
    "remixable": true,
    "has_night": false,
    "has_ik": "arm",
    "size_m": {
        "x": 3.83,
        "y": 6.62,
        "z": 4.25
    },
    "subscribe": {
        "plan": "Polyfork Pro",
        "usd_per_month": 10,
        "usd_per_year": 99,
        "url": "https://polyfork.dev/pricing",
        "includes": "the .mjs program for every asset, structured GLBs with named pivots and rig, a per-account CDN you can hotlink from a shipped build, the whole catalog as one download, and the largest remix-baking budget",
        "note": "once active, this endpoint returns download URLs and a /c/<token>/ CDN path. Anything downloaded while subscribed stays licensed forever."
    },
    "export_formats": {
        "fbx": {
            "url": "https://polyfork.dev/dl/dock-cargo-crane-ccd97f.fbx",
            "for": "Unity, Unreal, Maya, 3ds Max"
        },
        "usdz": {
            "url": "https://polyfork.dev/dl/dock-cargo-crane-ccd97f.usdz",
            "for": "iOS AR Quick Look, Omniverse"
        },
        "obj": {
            "url": "https://polyfork.dev/dl/dock-cargo-crane-ccd97f.obj",
            "for": "universal, geometry only, no pivots"
        }
    },
    "export_note": "vertex colours become NAMED MATERIALS on export, named after this asset's own colour knobs; a plain format conversion would arrive white, because only three.js reads our COLOR_0. Built on first request (about a second), cached after. Needs an account even when the asset is free.",
    "materials": 1,
    "draw_calls": 19,
    "palette": [
        {
            "hex": "#111",
            "share": 0.292
        },
        {
            "hex": "#210",
            "share": 0.248
        },
        {
            "hex": "#521",
            "share": 0.225
        },
        {
            "hex": "#b96",
            "share": 0.167
        },
        {
            "hex": "#952",
            "share": 0.068
        }
    ],
    "style": "low-poly, flat-shaded vertex colors, no textures, single shared material, so any set of these merges to one draw call; shares palette and scale with its kit",
    "origin": "ground level (minY = 0): the model sits on y=0 as-is",
    "rigged_parts": {
        "turntable": {
            "axis": "y",
            "range": [
                0,
                105
            ]
        },
        "boom-lower": {
            "axis": "x",
            "range": [
                0,
                -14
            ]
        },
        "boom-upper": {
            "axis": "x",
            "range": [
                0,
                -20
            ]
        },
        "hook": {
            "axis": "z",
            "range": [
                0,
                22
            ]
        },
        "hook-block": {
            "axis": "z",
            "range": [
                0,
                -20
            ]
        },
        "winch-drum": {
            "axis": "x",
            "range": [
                0,
                300
            ]
        }
    },
    "detachable_parts": [
        "crank"
    ],
    "animation": "rigged parts are named groups with the pivot at the hinge/axle: obj.getObjectByName(part) then rotation[axis] (rotate, degrees) or position[axis] (slide, meters)",
    "arm": {
        "slew": "turntable",
        "joints": [
            "boom-lower",
            "boom-upper"
        ],
        "upper": 2.2,
        "lower": 1.407,
        "tip": [
            0,
            0.278,
            1.379
        ],
        "tip_rest": [
            -2.072,
            5.627,
            2.47
        ],
        "base": [
            0,
            0,
            0
        ],
        "reach": 3.607,
        "stays": [
            {
                "chain": [
                    "stay",
                    "stay-tail"
                ],
                "to": "boom-upper"
            }
        ],
        "axes": {
            "slew": "y",
            "joints": "x"
        },
        "units": "metres, radians",
        "runtime": "https://polyfork.dev/cdn/walk.mjs",
        "note": "two-link chain with a slew: the same solver the legged machines use. Joint ranges in `rig` are the real limits and the tip stops at them.",
        "how": "a slew and a two-link boom: aim the tip and solve, stopping at the joint ranges in rigged_parts. three.js users import https://polyfork.dev/cdn/walk.mjs and call arm(model).reachTo(point)"
    },
    "published_at": "2026-08-13 23:32:35",
    "renders": [
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/back.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/compare.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/detail.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/front.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/hero-crop.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/hero.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/left.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/low-back.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/low.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/pose-boom-lower.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/pose-boom-upper.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/pose-hook-block.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/pose-hook.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/pose-stay-tail.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/pose-stay.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/pose-turntable.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/pose-winch-drum.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/proofs.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/removed-crank.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/right.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/top.png",
        "https://polyfork.dev/files/dock-cargo-crane-ccd97f/renders/views.png"
    ],
    "license": "Use in commercial projects, no attribution. No redistribution of the files themselves. https://polyfork.dev/licensing",
    "access": {
        "as": "anonymous",
        "remix_bakes_per_hour": 40,
        "remix_bakes_left_this_hour": 40,
        "remix_note": "The budget is on generating NEW geometry. Variations anyone has already baked are served to everybody and never counted, so re-fetching a variant you or anyone else has made costs nothing.",
        "remix_bakes_per_month": 100,
        "remix_bakes_left_this_month": 100,
        "remix_allowance_resets": "2026-09-01",
        "remix_allowance_note": "A free account raises this to 300 a WEEK, and costs an email address.",
        "a_free_account_adds": {
            "how": "Authorization: Bearer <key>, created at https://polyfork.dev/account. Costs an email address.",
            "remix_bakes_per_hour": 100,
            "remix_bakes_per_week": 300,
            "downloads": "every FREE asset as .glb, .mjs and a ready-to-serve zip"
        },
        "pro_adds": {
            "url": "https://polyfork.dev/pricing",
            "usd_per_year": 99,
            "module_mjs": "the createAsset() program itself \u2014 knobs evaluated in YOUR engine at runtime, no bake, no round trip, no per-variant file",
            "structured_glb": "the authored GLB: named parts, detachables, real material names, real normals. Worth most on STATIC assets, whose public preview is one joined anonymous mesh \u2014 a rigged asset already previews with its pivot hierarchy so it can demo itself, and there the module is the upgrade, not the mesh",
            "cdn": "a per-account /c/<token>/ path you can hotlink from a shipped build; it keeps up when an asset is rebuilt, and the token is not the API key",
            "remix_bakes_per_hour": 900,
            "remix_bakes_per_week": "uncapped \u2014 a free account gets a weekly allowance, Pro does not"
        }
    }
}