Mesh colliders, resizing and positioning

I’m very new to this, but I can’t see any way to re-size or position my mesh colliders after I add them. I’ve tried several models from the store. Mostly the collision volume looks exactly right, but if you get one where the size doesn’t match or it’s not correctly aligned, it looks like you can’t do anything about it? At least not in the editor?

Apart from mesh colliders, collision volumes do not use the entity scale. The extents are in world space rather than local space.

In terms of positioning, the default pattern is to have a parent which is the rigidbody and a child entity for the model. This way, the model can be lined up to the collision.