So I wan't to add a new prop

[EJMM]

Hey dudes I need help with something, I'm adding some land props to use on my maps so I want to add the star destroyer, but as u know the main model is the destroyed one (ya know without the hard points) so how can I make it to have all of it's hard points in the ground?, i tried adding the hard points in the xmls but no luck any help?