13. “These are the measurements of the altar: There is a gutter all around the altar 21 inches deep and 21 inches wide, with a curb 9 inches wide around its edge. And this is the height of the altar:
14. From the gutter the altar rises 31/2 feet to a lower ledge that surrounds the altar and is 21 inches wide. From the lower ledge the altar rises 7 feet to the upper ledge that is also 21 inches wide.
15. The top of the altar, the hearth, rises another 7 feet higher, with a horn rising up from each of the four corners.
16. The top of the altar is square, measuring 21 feet by 21 feet.
17. The upper ledge also forms a square, measuring 241/2 feet by 241/2 feet, with a 21-inch gutter and a 101/2-inch curb all around the edge. There are steps going up the east side of the altar.”
18. Then he said to me, “Son of man, this is what the Sovereign lord says: These will be the regulations for the burning of offerings and the sprinkling of blood when the altar is built.
19. At that time, the Levitical priests of the family of Zadok, who minister before me, are to be given a young bull for a sin offering, says the Sovereign lord.
20. You will take some of its blood and smear it on the four horns of the altar, the four corners of the upper ledge, and the curb that runs around that ledge. This will cleanse and make atonement for the altar.