"Using acacia wood, make a square altar 7 1/2 feet wide, 7 1/2 feet long, and 4 1/2 feet high.
References for Exodus 27:1
Make a horn at each of the four corners of the altar so the horns and altar are all one piece. Overlay the altar and its horns with bronze.
The ash buckets, shovels, basins, meat hooks, and firepans will all be made of bronze.
Make a bronze grating, with a metal ring at each corner.
Fit the grating halfway down into the firebox, resting it on the ledge built there.
For moving the altar, make poles from acacia wood, and overlay them with bronze.
To carry it, put the poles into the rings at two sides of the altar.
The altar must be hollow, made from planks. Be careful to build it just as you were shown on the mountain."