i saw that before.
when i tried to edit object properties oe would crash.
hierarchy tree:
Group "WORLD", v 0, s 0, kids 1
Group "model", v 0, s 0, kids 1 *
Group "objects", v 0, s 0, kids 1
Group "str0", v 0, s 0, kids 7
Object "poly", v 24, s 22, kids 0
Object "box", v 8, s 6, kids 0
Object "box", v 8, s 6, kids 0
Object "box", v 8, s 6, kids 0
Object "poly", v 44, s 37, kids 0
Object "poly", v 44, s 37, kids 0
Object "poly", v 24, s 19, kids 0
Total objects: 11 surfaces: 133 vertices: 160