Nothing in the renderer class was changed. Just copy/pasted.

The exportation is doing very weird things in-game.

https://thumb.gyazo.com/thumb/1200/_d4a55e0facc1b335f4c0368c60eb12f3-png.jpg

https://i.blueslime.fr/0X2J9O0s.png

As you can see, the entity is upside-down. But more importantly, the exported model is incorrect. We can see a regular space ...