Heres some pics. of the cargo crate-- from hi poly to low poly. The hi poly model was made in maya-- the normal map was baked out and applied to the low poly models. After, some additional low poly geometry was added; such as door handles and rods.
High poly models unlite.
Low Poly models unlite. Poly count in tris. Crate: 576, doors, 496 and 518, hoist 716
Low poly model lite.