The Lord spoke to Moses:
References for Numbers 8:1
"Speak to Aaron and tell him: When you set up the lamps, the seven lamps are to give light in front of the lampstand."
So Aaron did this; he set up its lamps [to give light] in front of the lampstand just as the Lord had commanded Moses.
This is the way the lampstand was made: it was a hammered work of gold, hammered from its base to its flower petals. The lampstand was made according to the pattern the Lord had shown Moses.
References for Numbers 8:4