Editor: Copying scene exporter behaviour into geometry exporter. Seems good enough for now.

editor/js/ui/Sidebar.Properties.Geometry.js

@@ -123,10 +123,11 @@ Sidebar.Properties.Geometry = function ( signals ) {
 
 		var output = new THREE.GeometryExporter().parse( selected );
 
-		/*
 		var blob = new Blob( [ output ], { type: 'text/json' } );
 		var objectURL = URL.createObjectURL( blob );
-		*/
+
+		window.open( objectURL, '_blank' );
+		window.focus();
 
 	}