The Moretry Tianma X3 V4 (MagLev) is a 3x3 from the new company that features traditional corner/edge magnetization along with corner base/edgemagnets. This version includes enlarged corner base magnets, allowing them to interact with a repelling magnet in the centers to aid with alignment.
The MagLev version replaces the traditional spring with a magnetic levitation system that has 6 magnetic rings instead of 2 for a more linear tensions.