Moses
Exodus 38:7BSB·traditional attribution
Then he inserted the poles into the rings on the sides of the altar for carrying it. He made the altar with boards so that it was hollow.
Matthew Henry Presbyterian @wholebiblehenry
Bezaleel having finished the gold-work, which, though the richest, yet was ordered to lie most out of sight, in the tabernacle itself, here goes on to prepare the court, which lay open to the view of all. Two things the court was furnished with, and both made of brass: - I. An altar of burnt-offering, Exo 38:1-7.
Commenting on Exodus 38:1-8