Thus having initially in the World of Desolation consisted of only the Six Directions, Zeir Anpin was now from the very outset of the repair – the beginning of the Pregnancy – built as Ten Sefirot …through the binding together of the Mental Powers over the Six Directions – for they did not radiate in this way in the World of Desolation. It is now that Zeir Anpin becomes complete with the full complement of Ten Sefirot, because the Mental Powers are bound up with the body, which was not the case at first.
Why the Patriarchs Matter to Cosmic Structure
Kalach Pitchei Chokhmah 121:8