Free can optimized model for games, I made this for my baking and optimizing training process. Use it for your personal project or game. I will make some lower textures (2k and 1k) avaliable for download too in my drive: https://drive.google.com/drive/folders/1637aY2WJGHGEtE5SkHSCaHexLsnf9r6F?usp=sharing