Ezekiel 43:12-14 Revised Standard Version (RSV)
12 This is the law of the temple: the whole territory round about upon the top of the mountain shall be most holy. Behold, this is the law of the temple.
13 “These are the dimensions of the altar by cubits (the cubit being a cubit and a handbreadth): its base shall be one cubit high,[a] and one cubit broad, with a rim of one span around its edge. And this shall be the height[b] of the altar: 14 from the base on the ground to the lower ledge, two cubits, with a breadth of one cubit; and from the smaller ledge to the larger ledge, four cubits, with a breadth of one cubit;