Loops of blue
In Exodus 26:4, this signifies a joining together by means of the celestial love of truth. (Arcana Coelestia 9605)
Leviticus 24:1-4
1
Yahweh spoke to Moses, saying,
2
"Command the children of Israel, that they bring to you pure olive oil beaten for the light, to cause a lamp to burn continually.
3
Outside of the veil of the Testimony, in the Tent of Meeting, shall Aaron keep it in order from evening to morning before Yahweh continually: it shall be a statute forever throughout your generations.
4
He shall keep in order the lamps on the pure gold lampstand before Yahweh continually.
