diff --git a/src/components/XRHud.tsx b/src/components/XRHud.tsx
index 384919d..e7c9866 100644
--- a/src/components/XRHud.tsx
+++ b/src/components/XRHud.tsx
@@ -10,6 +10,7 @@ import { ScrollArea } from '@/components/ui/scroll-area';
 import { useModelStore } from '@/stores/useModelStore';
 import { InspectionChecklist } from '@/components/InspectionChecklist';
 import { ScaleSelector } from '@/components/ScaleSelector';
+import { CloudLoader } from '@/components/CloudLoader';
 import { toast } from 'sonner';
 
 const POSITION_STEP = 0.001;
@@ -314,6 +315,9 @@ export function XRHud({ freeMove, onToggleFreeMove, placementMode = false, onTog
               {/* Scale presets */}
               <ScaleSelector variant="compact" />
 
+              {/* Cloud loader (acessível também no AR) */}
+              <CloudLoader compact />
+
               <Button
                 variant={freeMove ? 'default' : 'outline'}
                 size="sm" className="h-8 gap-1.5 text-[10px] font-mono"
diff --git a/src/pages/XRSession.tsx b/src/pages/XRSession.tsx
index 33fa116..9c33a90 100644
--- a/src/pages/XRSession.tsx
+++ b/src/pages/XRSession.tsx
@@ -6,7 +6,7 @@ import { XR, createXRStore, useXR, XROrigin } from '@react-three/xr';
 import * as THREE from 'three';
 import { useModelStore } from '@/stores/useModelStore';
 import { toast } from 'sonner';
-import { ArrowLeft, Download, QrCode, Crosshair } from 'lucide-react';
+import { ArrowLeft, Download, QrCode, Crosshair, Home } from 'lucide-react';
 import { Button } from '@/components/ui/button';
 import { generateMarkerDownloadURL } from '@/lib/trackingMarker';
 import { XRHud } from '@/components/XRHud';
@@ -451,10 +451,13 @@ const XRSession = () => {
     <div className="flex h-screen flex-col bg-background">
       {/* Header */}
       <header className="flex items-center justify-between border-b bg-card px-4 py-3 z-10">
-        <div className="flex items-center gap-3">
-          <Button variant="ghost" size="icon" onClick={() => navigate('/viewer')}>
+        <div className="flex items-center gap-2">
+          <Button variant="ghost" size="icon" onClick={() => navigate('/viewer')} title="Voltar ao Viewer">
             <ArrowLeft className="h-5 w-5" />
           </Button>
+          <Button variant="ghost" size="icon" onClick={() => navigate('/')} title="Tela inicial">
+            <Home className="h-5 w-5" />
+          </Button>
           <h1 className="font-mono text-sm font-semibold text-foreground">
             Modo <span className="text-primary">XR Imersivo</span>
           </h1>