In April 21, release Ultimaker Cura 4.6 . It supports MBot Grid Printers.
Magicfirm printers. jeffkyjin has contributed machine definitions for MBot Grid II+, MBot Grid II+ (dual), MBot Grid IV+ and MBot Grid IV+ (dual).
Any one can try to use it, any feedback is welcome here. We can update it later in next Cura version.