planet4d loginPlanet4D 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 modelsPlanet4D 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 models