ixRay ixCube V4.10.R30 Professional Milestone top class Release. ixCube 4-10 becomes a full featured FEM analysis system The ixCube project started 10 years ago, many paths have been explored since then, and today we are proud to have reached beta stage. Power users are already using and testing the system that benefits from our 20 years of experience in the membrane engineering field and the use of advanced middleware from our technology partners.