change first person controller collider to cube

Hi i’m making a third person game using a first person controller , i replaced my camera so you got third person view and i placed a 3d model over it . but when i collide with an object my model goes into it until the first person collider it self .

i want to replace that capsule collider from the controller to a cube , because that fits the best with my 3d model , is that possible ??

sorry for bad english

Yes, if you look through your Player, on your inspector panel if you go through all the parts you will eventually see a component called: capsule collider if you remove this component and the click Add Component you will see a Cube Collider if you search for it, add this, make sure its not a trigger and edit it to your desired X,Y, & Z dimensions.