engines.json

{
    "BabylonJS": {
        "templateUrl": "https://sandbox.babylonjs.com/index.html?assetUrl=${assetUrl}&cameraPosition=${-cameraPosition.x},${cameraPosition.y},${cameraPosition.z}&kiosk=true"
    },
    "PlayCanvas": {
        "templateUrl": "https://playcanvas.com/viewer/index.html?assetUrl=${assetUrl}&cameraPosition=${-cameraPosition.x},${cameraPosition.y},${cameraPosition.z}"
    },
    "ThreeJS": {
        "templateUrl": "https://gltf-viewer.donmccurdy.com/#model=${assetUrl}&cameraPosition=${cameraPosition.x},${cameraPosition.y},${cameraPosition.z}&kiosk=true&preset=assetgenerator"
    }
}