Get bounding box for STL

threejs.htm

<script src="../build/three.min.js"></script>
<script src="js/loaders/STLLoader.js"></script>

<script>
    var loader = new THREE.STLLoader();
    loader.addEventListener('load', function (event) {
    	var geometry = event.content;
    	if (geometry.boundingBox === null) {
    		geometry.computeBoundingBox();
    	}
    	
    	// Dumps something like the following to the console: {x: -0.4995945, y: -0.5, z: -0.18 } 
    	console.log(geometry.boundingBox.min);
    	console.log(geometry.boundingBox.max);
    });
    loader.load('models/stl/ascii/slotted_disk.stl');
</script>