let importedMesh;
loader.load("test_obj/dae/07.DAE", function (result) {
importedMesh = result.scene.children[0].children[0].clone();
importedMesh.scale.set(1, 1, 1);
importedMesh.position.set(0, 0, 0);
importedMesh.opacity: 0.5; //this line does not have the desired effect
objects.push(importedMesh);
console.log(importedMesh);
});