making a door

[ghostknife]

im trying to make a valhalla kind of door but its nor working
i tryed the same as in parasite with the supply depot and i dont need a trigger for it but the door part isent coming out very well so any suggestions

 

[ghostknife]

no 1 wel i only need to know now how to reform supply depot you know its to short so i want to make it taller but not with scale but in smaller so it is a door