The CIBC development team is pleased to announce the release of Cleaver v1.5. Cleaver is a C++ software library that generates conforming tetrahedral meshes of multimaterial volumetric data, with guarantees on dihedral angles. Cleaver is an implementation of the "Lattice Cleaving" algorithm, developed at the SCI Institute and published in the Proceedings of the 21st International Meshing Roundtable.For more information and downloads visit the Cleaver Software page.