Can you say that the ritual of the middle pillar is the same product as the stele of jeu, for my part it is the same thing, the middle pillar, create in your sphere of sensations a copy of the tree of life or to summarize it transfers all the powers of the Sephiroth in your sphere of sensations, so it has a very big theurgic value.
Concerning the stele of jeu, it grants a new creation of a tangible status quo, coming from ra-osiris , and also coming from the ultimate creator of the universe, and it greatly increases the magical power of the individual, and gives him also the working power for a theurgic ritual, and in the same way as the middle pillar, except that the stele of jeu has a very wild side, so they are the same products.