GLTF Exporter

a-bookmarklet.txt

Create a new bookmark and use the below was the URL:

javascript:(function()%7Bs%3Ddocument.createElement('script')%3B%0As.setAttribute('type'%2C%20'module')%3B%0As.innerHTML%20%3D%20%60import%20%7BGLTFExporter%7D%20from%20'https%3A%2F%2Frawcdn.githack.com%2Fmrdoob%2Fthree.js%2Fcf04fca253477f40e04488229cfcaf0f280e448b%2Fexamples%2Fjsm%2Fexporters%2FGLTFExporter.js'%3B%0Aif%20(!window.scene)%20%7B%0A%20%20alert('No%20window.scene')%3B%0A%7D%20else%20%7B%0A%20%20const%20exporter%20%3D%20new%20GLTFExporter()%3B%0A%20%20exporter.parse(%20scene%2C%20function%20(%20gltf%20)%20%7B%0A%20%20%20%20const%20blob%20%3D%20new%20Blob(%20%5B%20gltf%20%5D%2C%20%7B%20type%3A%20'application%2Foctet-stream'%20%7D%20)%3B%0A%20%20%20%20const%20link%20%3D%20document.createElement(%20'a'%20)%3B%0A%20%20%20%20link.style.display%20%3D%20'none'%3B%0A%20%20%20%20document.body.appendChild(%20link%20)%3B%0A%20%20%20%20link.href%20%3D%20URL.createObjectURL(%20blob%20)%3B%0A%20%20%20%20link.download%20%3D%20'scene.glb'%3B%0A%20%20%20%20link.click()%3B%0A%20%20%7D%2C%20%7B%0A%20%20%20%20binary%3A%20true%0A%20%20%7D%20)%3B%0A%7D%0A%60%3B%0Adocument.body.appendChild(s)%3B%7D)()%3B

b-bookmarklet.js

// Assemble into the above bookmarklet using https://caiorss.github.io/bookmarklet-maker/

s=document.createElement('script');
s.setAttribute('type', 'module');
s.innerHTML = `import {GLTFExporter} from 'https://rawcdn.githack.com/mrdoob/three.js/cf04fca253477f40e04488229cfcaf0f280e448b/examples/jsm/exporters/GLTFExporter.js';
if (!window.scene) {
  alert('No window.scene');
} else {
  const exporter = new GLTFExporter();
  exporter.parse( scene, function ( gltf ) {
    const blob = new Blob( [ gltf ], { type: 'application/octet-stream' } );
    const link = document.createElement( 'a' );
    link.style.display = 'none';
    document.body.appendChild( link );
    link.href = URL.createObjectURL( blob );
    link.download = 'scene.glb';
    link.click();
  }, {
    binary: true
  } );
}
`;
document.body.appendChild(s);