tetras hexahedron

In geometry, a tetrakis hexahedron (also known as a tetrahexahedron, hextetrahedron and kiscube^[1]) is a Catalan solid. Its dual is the truncated octahedron, an Archimedean solid.

It also can be called a disdyakis hexahedron as the dual of an omnitruncated tetrahedron.