If you are talking about the shape of the underside ,, it is pretty much as I would expect !! Of course another maker could use a different base !! It all depends on what the Mfrs design is !! Not all are the same !! Although I have no idea why a maker would use a different shape than this,, they can and do change sometimes !! That is why I asked who the maker was !! If you know who made it you can look at other pieces by them and see if its consistant with their line of furniture !!