🚀 Auto-deploy: BrainWind atualizado em 29/07/2026 12:00:49

app/src/components/three/Vault3D.tsx

@@ -175,6 +175,30 @@ function VaultModel({ span, length, rise, cpi, cpeProfile, cpeParallel, viewDire
         <meshStandardMaterial color={isDark ? "#334155" : "#cbd5e1"} opacity={isAirflow ? 0.25 : 0.7} transparent side={THREE.DoubleSide} roughness={0.5} />
       </mesh>
 
+      {/* Seta indicativa de direção do vento */}
+      <group position={[-span / 2 - 2.5, rise / 2, length / 2]} rotation={[0, 0, -Math.PI / 2]}>
+        <mesh castShadow>
+          <coneGeometry args={[0.3, 0.8, 16]} />
+          <meshStandardMaterial color="#3b82f6" roughness={0.3} />
+        </mesh>
+        <mesh position={[0, -0.6, 0]} castShadow>
+          <cylinderGeometry args={[0.1, 0.1, 1.2, 16]} />
+          <meshStandardMaterial color="#3b82f6" roughness={0.3} />
+        </mesh>
+      </group>
+
+      {/* Texto Vento */}
+      <Text
+        position={[-span / 2 - 2.5, rise / 2 + 1.2, length / 2]}
+        rotation={[0, 0, 0]}
+        fontSize={1.2}
+        color="#3b82f6"
+        anchorX="center"
+        anchorY="bottom"
+      >
+        Vento
+      </Text>
+
       {/* Rótulo de dimensões */}
       <Text
         position={[0, rise + 1.5, length / 2]}