Center ThreeJS PlaneHelper on geometry

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yes you can shift the planehelper, but it seems that the more optimal way is centering your model itself.

Centering a glTF geometry

Centering an object with BufferGeometry.center() does only center the geometry. It does not work if the object or its ancestors are transformed. Hence, it’s better to use the following pattern: const box = new THREE.Box3().setFromObject( gltf.scene ); const center = box.getCenter( new THREE.Vector3() ); gltf.scene.position.x += ( gltf.scene.position.x - center.x ); gltf.scene.position.y += ( gltf.scene.position.y - center.y ); gltf.scene.position.z += ( gltf.scene.position.z - center.z ); As …