UMI is a plugin for Rhinoceros 3D NURBS modeler. To use UMI, you need the following software and hardware:
A computer running the Windows operating system. UMI does not currently run on the Mac operating system.
The latest version of Rhino 7. (UMI does not work with Rhino 6.) A free, fully functional 90 day trial is available from the McNeel web site.