Actualizado y reparado

src/main.tsx

@@ -3,12 +3,14 @@ import { createRoot } from 'react-dom/client'
 import App from './pages/App.tsx'
 import { BrowserRouter, Route, Routes } from "react-router";
 import Login from './pages/Login.tsx';
+import Previewer from './pages/Previewer.tsx';
 
 createRoot(document.getElementById('root')!).render(
   <BrowserRouter>
     <Routes>
       <Route path="/" element={<App />} />
       <Route path="/login" element={<Login />} />
+      <Route path="/previewer" element={<Previewer modelUrl="/3d/motor_de_combustion/scene.gltf" />} />
     </Routes>
   </BrowserRouter>,
 )