Jual Balon Planet 4d Balon Foil Planet Bumi Bulan Merkurius Mars

planet 4dPlanet 4D Orinal Model feature the most Symmetrical Positionning for 12 Notes or Musical Objects ↩︎ On the Hypersphere of Chords, we display all minor ans major Triads ↩︎ UnlikeBeside a geometrical part that has been calculated with the help of the graph theory, the Planet-4D model includes twelve ideograms that can either symbolize notes, chords or scales