diff --git a/src/core/index.js b/src/core/index.js
index 10678ee..4428c1e 100644
--- a/src/core/index.js
+++ b/src/core/index.js
@@ -4,3 +4,4 @@ export { default as PerspectiveCamera } from './PerspectiveCamera.js';
 export { default as Camera } from './PerspectiveCamera.js';
 export { default as Group } from './Group.js';
 export { default as Scene } from './Scene.js';
+export { default as Object3D } from './Object3D.js';