presentation4.json

{
    "@context": "http://iiif.io/api/presentation/4/context.json",
    "id": "https://example.org/iiif/3d/manifest",
    "type": "Manifest",
    "label": { "en": [ "I am 3D" ] },

    // all your favourite IIIF props are exactly the same
  
    "behavior": [ "some", "new", "behaviors", "probably" ],
  
    "items": [
      {
        "id": "https://example.org/iiif/scene1",
        "type": "Scene",
        "label": { "en": [ "a scene!" ] },

        // .... dimensions - not w,h,d - how do we specify the space?
        // (if we do that at all... maybe always 0,0,0 and unbound)

        "items": [
          {
            "id": "https://example.org/iiif/scene1/page/p1/1",
            "type": "AnnotationPage",
            "items": [
              {
                "id": "https://example.org/iiif/3d/anno1",
                "type": "Annotation",
                "motivation": ["painting"], // maybe
                "body": {
                  "id": "https://example.org/iiif/my-model.someFormat",
                  "type": "Model",
                  "format": "application/something",

                    // dimensions of the thing to be painted/placed

                },
                "target": {
                    // ?????????
                }
              }
            ]
          }
        ]
      }
    ],
  
    "structures": [ 
        // yep can do these too      
    ]
  }