diff --git a/src/components/three/ModelViewer.tsx b/src/components/three/ModelViewer.tsx
index 651a66f..9f5e75c 100644
--- a/src/components/three/ModelViewer.tsx
+++ b/src/components/three/ModelViewer.tsx
@@ -8,7 +8,7 @@ import { findNearestVertex, detectHoleAtFace, findNearestEdgeSegment, detectCirc
 import { registerModelLocalGroup, unregisterModelLocalGroup } from '@/lib/modelTransforms';
 import { parseIFCtoThree } from '@/lib/convertIFC';
 import { GLTFLoader } from 'three/examples/jsm/loaders/GLTFLoader.js';
-import { mainCameraRef, mainControlsRef, viewAnim } from './viewCubeBus';
+import { mainCameraRef, mainControlsRef, viewAnim, calibration, pushModelFaceNormal, computeCalibrationQuaternion, subscribeCalibration } from './viewCubeBus';
 
 interface ModelViewerProps {
   url?: string; // legacy, ignored — uses store.models