md5 model and collision problem

hi all , :lol:

when i load my md5 model (mesh and anim ) in my game and make some collision by it and wall

i found that my model enter wall , :expressionless:

i don't know why :?since when i use 3ds or any other trimesh objs they make collision

so i need help to let my md5 model make collision 

I think a little more info is needed :wink:

(such as what you are even doing for collisionsā€¦)