Your playground works fine for me, I guess the model is too simple to reproduce the problem, so I updated the playground with the model from Loading time performance regression?.
New playground: https://playground.babylonjs.com/#G7B8J6#5.
Your playground works fine for me, I guess the model is too simple to reproduce the problem, so I updated the playground with the model from Loading time performance regression?.
New playground: https://playground.babylonjs.com/#G7B8J6#5.