diff --git a/src/pages/MeetingRoom.tsx b/src/pages/MeetingRoom.tsx
index 61cd712..547e07b 100644
--- a/src/pages/MeetingRoom.tsx
+++ b/src/pages/MeetingRoom.tsx
@@ -623,6 +623,21 @@ export default function MeetingRoom() {
     sectionInvert: false
   });
 
+  // Carrega modificações da peça vindas do Viewer se houver
+  useEffect(() => {
+    const savedState = localStorage.getItem('tsxr_initial_meeting_state');
+    if (savedState) {
+      try {
+        const parsed = JSON.parse(savedState) as PresentationState;
+        setPresentationState(parsed);
+        console.log('🔄 [MeetingRoom] Estado inicial carregado do Viewer:', parsed);
+      } catch (err) {
+        console.error('Falha ao carregar estado inicial do Viewer', err);
+      }
+      localStorage.removeItem('tsxr_initial_meeting_state');
+    }
+  }, []);
+
   const channelRef = useRef<ReturnType<typeof supabase.channel> | null>(null);
   const chatScrollRef = useRef<HTMLDivElement>(null);
 
@@ -799,6 +814,16 @@ export default function MeetingRoom() {
           empresa: empresa.trim() || 'SteelXR Corp',
           joinedAt: new Date().toISOString(),
         });
+
+        // Se for o apresentador, propaga o estado inicial de apresentação (vinda do Viewer) para todos
+        if (isPresenter) {
+          channel.send({
+            type: 'broadcast',
+            event: 'presentation_update',
+            payload: presentationState
+          });
+        }
+
         setInRoom(true);
         toast.success(`Entrou na sala de reunião: ${finalRoomId}`);
         navigate(`/meeting/${finalRoomId}`, { replace: true });
diff --git a/src/pages/Viewer.tsx b/src/pages/Viewer.tsx
index 75e033e..3c4cd17 100644
--- a/src/pages/Viewer.tsx
+++ b/src/pages/Viewer.tsx
@@ -1,5 +1,5 @@
 import { useNavigate } from "react-router-dom";
-import { ArrowLeft, Glasses, Box, Ruler, FileText, Upload, Loader2 } from "lucide-react";
+import { ArrowLeft, Glasses, Box, Ruler, FileText, Upload, Loader2, Users } from "lucide-react";
 import { Button } from "@/components/ui/button";
 import { useModelStore } from "@/stores/useModelStore";
 import { ModelViewerCanvas } from "@/components/three/ModelViewer";
@@ -23,7 +23,18 @@ import { convertIFCtoGLB } from "@/lib/convertIFC";
 
 const Viewer = () => {
   const navigate = useNavigate();
-  const { model, xrSupported, addModel, models, maxModels, scaleRatio } = useModelStore();
+  const {
+    model,
+    xrSupported,
+    addModel,
+    models,
+    maxModels,
+    scaleRatio,
+    fineTuning,
+    sectionEnabled,
+    sectionInvert,
+    sectionLevel
+  } = useModelStore();
   const fileInputRef = useRef<HTMLInputElement>(null);
   const [converting, setConverting] = useState(false);
 
@@ -101,6 +112,29 @@ const Viewer = () => {
     navigate("/xr");
   };
 
+  const handleEnterMeeting = () => {
+    // Coleta o eixo habilitado de seção no Viewer
+    const enabledAxis = (['x', 'y', 'z'] as const).find(ax => sectionEnabled[ax]);
+    const isSectionActive = !!enabledAxis;
+    const sectionAxis = enabledAxis || 'y';
+    const sectionLevelVal = isSectionActive ? sectionLevel[sectionAxis] : 0.0;
+    const sectionInvertVal = isSectionActive ? sectionInvert[sectionAxis] : false;
+
+    // Salva o estado atual da peça
+    const initialMeetingState = {
+      rotation: [fineTuning.rotX, fineTuning.rotY, fineTuning.rotZ],
+      scale: fineTuning.scale,
+      sectionEnabled: isSectionActive,
+      sectionAxis,
+      sectionLevel: sectionLevelVal,
+      sectionInvert: sectionInvertVal
+    };
+
+    localStorage.setItem('tsxr_initial_meeting_state', JSON.stringify(initialMeetingState));
+    toast.success('Configurações da maquete salvas. Direcionando para a reunião...');
+    navigate('/meeting');
+  };
+
   const canAddMore = models.length < maxModels;
 
   return (
@@ -128,8 +162,16 @@ const Viewer = () => {
         </div>
 
         <div className="flex items-center gap-2">
+          <Button
+            variant="outline"
+            className="gap-2 border-primary/30 hover:bg-primary/10 text-primary font-mono h-9"
+            onClick={handleEnterMeeting}
+          >
+            <Users className="h-4 w-4" />
+            Reunião Virtual
+          </Button>
           <ShareButton />
-          <Button className="gap-2 glow-primary" disabled={!xrSupported} onClick={handleEnterXR}>
+          <Button className="gap-2 glow-primary h-9" disabled={!xrSupported} onClick={handleEnterXR}>
             <Glasses className="h-4 w-4" />
             Entrar em Modo XR
           </Button>