👉 A triakistetrahedron is a type of tetrahedron that has one vertex at the center of a cube and four other vertices on the cube's edges. The name "triakistetrahedron" comes from its resemblance to triangles, which are common in many types of geometric shapes. In a regular tetrahedron (a 4-sided solid), the four edges that meet at each vertex are all equal in length, and they form a right-angled
