ok it seem that the player is no more resize with this scale.
i was sure i did try to change it before not sure what i did this time that make it work maybe last time i didnt change one scale somewhere 
hahaha i can ride a t-rex that is smaller than me and i still see me bigger than him when riding it hooray ! and the saddle is resize without modifying it so only need to duplicate it’s dino_bp and meshe
thanks for the tip dev 
will be able to continue on my prototype