/** Adds the specified MeshPart to the current Node. The Mesh will be managed by the model and disposed when the model is
* disposed. The resources the Material might contain are not managed, use {@link #manage(Disposable)} to add those to the
* model. */
public void part (final MeshPart meshpart, final Material material) {
if (node == null) node();
node.parts.add(new NodePart(meshpart, material));
}