This is an interesting piece. The grid system used would be needed for the base and the object floating on it. It is also likely that the artist used two point perspective. artist: Jost Amman - Geometrische Perspektivkonstruktion (c.
Sephirot - the 10 attributes/emanations in Kabbalah, through which Ein Sof (The Infinite) reveals itself and continuously creates both the physical realm and the chain of higher metaphysical realms. / Sacred Geometry Daat should be Amen!