I made this mod two years ago, but something always prevented me from posting it. So... Everyone, probably, knows the observation tower from the base of stalkers in military warehouses from the already, alas, deceased series S.T.A.L.K.E.R.
Plus: Fitted Scale
Minus: The collision is a little weird. (Sometimes it falls through the top tier sheets.)
That's all, download, install and use to create everything that comes into your head...