diff --git a/src/components/three/ModelViewer.tsx b/src/components/three/ModelViewer.tsx
index 2ff0ced..14cbf51 100644
--- a/src/components/three/ModelViewer.tsx
+++ b/src/components/three/ModelViewer.tsx
@@ -5,7 +5,7 @@ import { Loader2 } from 'lucide-react';
 import * as THREE from 'three';
 import { useModelStore, type SceneModel } from '@/stores/useModelStore';
 import { findNearestVertex, detectHoleAtFace, findNearestEdgeSegment, detectCircularEdgeAtPoint } from './SmartMeasure';
-import { registerModelLocalGroup, unregisterModelLocalGroup, getModelWorldScaleFactor } from '@/lib/modelTransforms';
+import { registerModelLocalGroup, unregisterModelLocalGroup, getModelWorldScaleFactor, getAllModelLocalGroups } from '@/lib/modelTransforms';
 import { parseIFCtoThree } from '@/lib/convertIFC';
 import { GLTFLoader } from 'three/examples/jsm/loaders/GLTFLoader.js';
 import { mainCameraRef, mainControlsRef, viewAnim, calibration, pushModelFaceNormal, computeCalibrationQuaternion, subscribeCalibration } from './viewCubeBus';