planet4dPlanet4D is mainly based on Hyperspherical Models, Other Contributions are dedicated to Flat Networks. Very fast presentation of my 4D Models for Mathemusic. in 2020 Planet 4D modelsPlanet 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 ↩︎;