Saturn and the cube is the Platonic element or solid for the earth element which is responsible for the materialization of astral energies. The elements have a subtle component and a material manifestation of them as well. That is why the earth element contains all the elements and the cube is also the cube of space which all the elements and there forms materialize out of.
The ancient temples used the cube shape to manifest the ritual power they created. This is still in the east in the ancient Hindu temples. The enemy stole this knowledge of astral physic's and are using it criminally.
Metatron is several things the Yehubor's leader's have stated. At the top its the Seraphim the Reptilians, then its the thought form of YHVH that connects into their racial soul and its the collective racial soul of the Yehuborim and how its part of the YHVH their racial thought form and how this connects with and is part of the collective racial soul consciousness of the Reptilians they are part of and share the same racial soul genetics with.
Saturn has positive and negative aspects the Yehuborim use the negative aspects of it. That is why the Yehuborim due their rituals on Saturn day the seven day of the week. The day god rests in their Torah. In Hinduism they rest on Shani's day to avoid the negative aspects of this planet on that day. The Hindu's also do major rituals to appease Shani to avoid the negative aspects of Saturn.