diff --git a/src/lib/modelTransforms.ts b/src/lib/modelTransforms.ts
index c3ef211..c69f135 100644
--- a/src/lib/modelTransforms.ts
+++ b/src/lib/modelTransforms.ts
@@ -22,6 +22,10 @@ export function getModelLocalGroup(modelId: string | null | undefined): THREE.Ob
   return localGroups.get(modelId);
 }
 
+export function getAllModelLocalGroups(): THREE.Object3D[] {
+  return Array.from(localGroups.values());
+}
+
 export function worldToModelLocal(
   modelId: string | null | undefined,
   p: { x: number; y: number; z: number },